diff --git a/app/build.gradle.kts b/app/build.gradle.kts
index 8f3dd23..53551b1 100644
--- a/app/build.gradle.kts
+++ b/app/build.gradle.kts
@@ -29,7 +29,7 @@ android {
         minSdk = 31
         targetSdk = 35
         versionCode = ciRunNumber ?: 1
-        versionName = "0.9.0" + (ciRunNumber?.let { "+build.$it" } ?: "-dev")
+        versionName = "0.10.0" + (ciRunNumber?.let { "+build.$it" } ?: "-dev")
     }
 
     signingConfigs {
@@ -83,6 +83,7 @@ dependencies {
     implementation(libs.okhttp)
     implementation(libs.blessed.kotlin)
     implementation(libs.osmdroid)
+    implementation(libs.health.connect)
     implementation(libs.kotlinx.serialization.json)
     implementation(libs.androidx.room.runtime)
     implementation(libs.androidx.room.ktx)
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 063a85d..e851a4d 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -2,6 +2,10 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools">
 
+    <queries>
+        <package android:name="com.google.android.apps.healthdata" />
+    </queries>
+
     <uses-permission android:name="android.permission.INTERNET" />
     <uses-permission android:name="android.permission.VIBRATE" />
     <uses-permission android:name="android.permission.REQUEST_INSTALL_PACKAGES" />
@@ -27,6 +31,9 @@
     <uses-permission android:name="android.permission.POST_NOTIFICATIONS" />
     <uses-feature android:name="android.hardware.location.gps" android:required="false" />
 
+    <!-- Stegsynk via Health Connect (etapp 5) -->
+    <uses-permission android:name="android.permission.health.READ_STEPS" />
+
     <application
         android:name=".FitnessDroidApplication"
         android:label="@string/app_name"
@@ -57,6 +64,14 @@
                 <action android:name="android.intent.action.MAIN" />
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
+            <!-- Health Connect: visa varför appen vill läsa steg -->
+            <intent-filter>
+                <action android:name="androidx.health.ACTION_SHOW_PERMISSIONS_RATIONALE" />
+            </intent-filter>
+            <intent-filter>
+                <action android:name="android.intent.action.VIEW_PERMISSION_USAGE" />
+                <category android:name="android.intent.category.HEALTH_PERMISSIONS" />
+            </intent-filter>
         </activity>
     </application>
 </manifest>
diff --git a/app/src/main/java/eu/brassepc/fitnessdroid/FitnessDroidApplication.kt b/app/src/main/java/eu/brassepc/fitnessdroid/FitnessDroidApplication.kt
index ce7d489..a62893d 100644
--- a/app/src/main/java/eu/brassepc/fitnessdroid/FitnessDroidApplication.kt
+++ b/app/src/main/java/eu/brassepc/fitnessdroid/FitnessDroidApplication.kt
@@ -9,6 +9,7 @@ import eu.brassepc.fitnessdroid.data.GymApi
 import eu.brassepc.fitnessdroid.data.GymRepository
 import eu.brassepc.fitnessdroid.data.RestTimerController
 import eu.brassepc.fitnessdroid.data.ScaleManager
+import eu.brassepc.fitnessdroid.data.StepsSync
 import eu.brassepc.fitnessdroid.data.SettingsStore
 import eu.brassepc.fitnessdroid.data.SyncEngine
 import eu.brassepc.fitnessdroid.data.TokenStore
@@ -33,6 +34,7 @@ class AppContainer(context: Context) {
     val restTimer = RestTimerController(context, settingsStore, appScope)
     val updateChecker = UpdateChecker(context)
     val scaleManager = ScaleManager(context, settingsStore, appScope)
+    val stepsSync = StepsSync(context, gymApi)
 }
 
 class FitnessDroidApplication : Application() {
diff --git a/app/src/main/java/eu/brassepc/fitnessdroid/data/GymApi.kt b/app/src/main/java/eu/brassepc/fitnessdroid/data/GymApi.kt
index e738ed4..e4febd8 100644
--- a/app/src/main/java/eu/brassepc/fitnessdroid/data/GymApi.kt
+++ b/app/src/main/java/eu/brassepc/fitnessdroid/data/GymApi.kt
@@ -223,6 +223,15 @@ class GymApi(
         return data["goalsWithProgress"]!!.jsonArray.map { client.json.decodeFromJsonElement<GoalProgress>(it) }
     }
 
+    /** Synka upp dagens/gårdagens steg; [dayStartIso] = lokalt dygn 00:00 som instant. */
+    suspend fun upsertDailySteps(dayStartIso: String, steps: Int) {
+        client.execute(
+            "mutation(\$d:DateTime!,\$s:Int!){upsertDailySteps(date:\$d,steps:\$s)}",
+            buildJsonObject { put("d", dayStartIso); put("s", steps) },
+            auth.bearerToken(),
+        )
+    }
+
     /** targetValue <= 0 tar bort målet. */
     suspend fun setGoal(metric: String, period: String, targetValue: Double) {
         client.execute(
diff --git a/app/src/main/java/eu/brassepc/fitnessdroid/data/StepsSync.kt b/app/src/main/java/eu/brassepc/fitnessdroid/data/StepsSync.kt
new file mode 100644
index 0000000..8f5b2ee
--- /dev/null
+++ b/app/src/main/java/eu/brassepc/fitnessdroid/data/StepsSync.kt
@@ -0,0 +1,80 @@
+package eu.brassepc.fitnessdroid.data
+
+import android.content.Context
+import androidx.health.connect.client.HealthConnectClient
+import androidx.health.connect.client.permission.HealthPermission
+import androidx.health.connect.client.records.StepsRecord
+import androidx.health.connect.client.request.AggregateRequest
+import androidx.health.connect.client.time.TimeRangeFilter
+import java.time.Instant
+import java.time.LocalDate
+import java.time.ZoneId
+
+/**
+ * Steg via Health Connect: läser dagens + gårdagens stegsumma (som andra
+ * appar/telefonen loggat) och synkar upp till gym-API:t (upsertDailySteps).
+ * Servern räknar sedan in stegen i kcal-mätarens telefondel och stegmålen.
+ */
+class StepsSync(
+    private val context: Context,
+    private val gymApi: GymApi,
+) {
+    val stepsPermission: String = HealthPermission.getReadPermission(StepsRecord::class)
+
+    private var lastSyncMs = 0L
+
+    /** SDK_UNAVAILABLE / SDK_UNAVAILABLE_PROVIDER_UPDATE_REQUIRED / SDK_AVAILABLE */
+    fun sdkStatus(): Int = HealthConnectClient.getSdkStatus(context)
+
+    fun isAvailable(): Boolean = sdkStatus() == HealthConnectClient.SDK_AVAILABLE
+
+    suspend fun hasPermission(): Boolean {
+        if (!isAvailable()) return false
+        return runCatching {
+            HealthConnectClient.getOrCreate(context)
+                .permissionController.getGrantedPermissions()
+                .contains(stepsPermission)
+        }.getOrDefault(false)
+    }
+
+    /**
+     * Läs och synka. Returnerar dagens steg, eller null om HC saknas /
+     * behörighet inte getts. Fel sväljs (nästa synk försöker igen).
+     */
+    suspend fun syncNow(): Int? {
+        if (!hasPermission()) return null
+        val client = HealthConnectClient.getOrCreate(context)
+        val zone = ZoneId.systemDefault()
+        val today = LocalDate.now()
+        var todaySteps: Int? = null
+
+        for (day in listOf(today.minusDays(1), today)) {
+            val startInstant = day.atStartOfDay(zone).toInstant()
+            val endInstant = if (day == today) Instant.now()
+            else day.plusDays(1).atStartOfDay(zone).toInstant()
+
+            val steps = runCatching {
+                val result = client.aggregate(
+                    AggregateRequest(
+                        metrics = setOf(StepsRecord.COUNT_TOTAL),
+                        timeRangeFilter = TimeRangeFilter.between(startInstant, endInstant),
+                    )
+                )
+                (result[StepsRecord.COUNT_TOTAL] ?: 0L).toInt()
+            }.getOrNull() ?: continue
+
+            if (day == today) todaySteps = steps
+            runCatching {
+                gymApi.upsertDailySteps(startInstant.toString(), steps)
+            }
+        }
+        lastSyncMs = System.currentTimeMillis()
+        return todaySteps
+    }
+
+    /** Synka högst var 10:e minut — anropas t.ex. när hemskärmen visas. */
+    suspend fun syncThrottled() {
+        if (System.currentTimeMillis() - lastSyncMs < 10 * 60_000) return
+        syncNow()
+    }
+}
diff --git a/app/src/main/java/eu/brassepc/fitnessdroid/ui/home/HomeScreen.kt b/app/src/main/java/eu/brassepc/fitnessdroid/ui/home/HomeScreen.kt
index cdfc405..1481416 100644
--- a/app/src/main/java/eu/brassepc/fitnessdroid/ui/home/HomeScreen.kt
+++ b/app/src/main/java/eu/brassepc/fitnessdroid/ui/home/HomeScreen.kt
@@ -346,9 +346,15 @@ private fun KcalTodayCard(kcal: KcalToday) {
             )
             KcalRow(
                 icon = Icons.Default.PhoneAndroid,
-                label = "Telefonen (steg m.m.)",
-                value = "kommer snart",
-                dimValue = true,
+                label = "Telefonen (steg)",
+                value = when {
+                    kcal.phoneKcal != null ->
+                        "${kcal.phoneKcal.toInt()} kcal" +
+                            (kcal.steps?.let { " · $it steg" } ?: "")
+                    kcal.steps != null -> "${kcal.steps} steg"
+                    else -> "aktivera i inställningarna"
+                },
+                dimValue = kcal.phoneKcal == null && kcal.steps == null,
             )
             KcalRow(
                 icon = Icons.Default.Bedtime,
diff --git a/app/src/main/java/eu/brassepc/fitnessdroid/ui/home/HomeViewModel.kt b/app/src/main/java/eu/brassepc/fitnessdroid/ui/home/HomeViewModel.kt
index 2f267dd..3ca2191 100644
--- a/app/src/main/java/eu/brassepc/fitnessdroid/ui/home/HomeViewModel.kt
+++ b/app/src/main/java/eu/brassepc/fitnessdroid/ui/home/HomeViewModel.kt
@@ -41,8 +41,9 @@ data class KcalToday(
     val passiveKcalSoFar: Double? = null,
     /** BMR för hela dygnet (för "i mål vid midnatt"-visning) */
     val bmrPerDay: Double? = null,
-    /** Telefonens auto-loggade (steg) — etapp 5 */
+    /** Telefonens auto-loggade (steg) — via Health Connect */
     val phoneKcal: Double? = null,
+    val steps: Int? = null,
     /** false = längd/födelseår/kön saknas, mätaren kan inte räkna passivt */
     val hasBodyData: Boolean = false,
 ) {
@@ -54,6 +55,7 @@ class HomeViewModel(
     auth: AuthRepository,
     private val updateChecker: eu.brassepc.fitnessdroid.data.UpdateChecker,
     private val gymApi: eu.brassepc.fitnessdroid.data.GymApi,
+    private val stepsSync: eu.brassepc.fitnessdroid.data.StepsSync,
 ) : ViewModel() {
 
     val updateState = kotlinx.coroutines.flow.MutableStateFlow<UpdateState?>(null)
@@ -83,8 +85,12 @@ class HomeViewModel(
 
     /** Uppdatera mätaren — anropas när hemskärmen visas (igen). */
     fun refresh() {
-        viewModelScope.launch { refreshKcal() }
-        viewModelScope.launch { refreshGoals() }
+        viewModelScope.launch {
+            // Steg synkas först så att dailySummary/målen får färska värden
+            runCatching { stepsSync.syncThrottled() }
+            refreshKcal()
+            refreshGoals()
+        }
     }
 
     private suspend fun refreshGoals() {
@@ -123,6 +129,7 @@ class HomeViewModel(
                 passiveKcalSoFar = summary.bmrKcalPerDay?.let { it * secondsIntoToday() / 86_400.0 },
                 bmrPerDay = summary.bmrKcalPerDay,
                 phoneKcal = summary.phoneKcal,
+                steps = summary.steps,
                 hasBodyData = summary.bmrKcalPerDay != null,
             )
             return
@@ -206,7 +213,7 @@ class HomeViewModel(
         val Factory: ViewModelProvider.Factory = viewModelFactory {
             initializer {
                 val c = appContainer()
-                HomeViewModel(c.gymRepository, c.authRepository, c.updateChecker, c.gymApi)
+                HomeViewModel(c.gymRepository, c.authRepository, c.updateChecker, c.gymApi, c.stepsSync)
             }
         }
     }
diff --git a/app/src/main/java/eu/brassepc/fitnessdroid/ui/settings/SettingsScreen.kt b/app/src/main/java/eu/brassepc/fitnessdroid/ui/settings/SettingsScreen.kt
index 5789d6d..009a26e 100644
--- a/app/src/main/java/eu/brassepc/fitnessdroid/ui/settings/SettingsScreen.kt
+++ b/app/src/main/java/eu/brassepc/fitnessdroid/ui/settings/SettingsScreen.kt
@@ -46,11 +46,33 @@ import kotlinx.coroutines.flow.SharingStarted
 import kotlinx.coroutines.flow.stateIn
 import kotlinx.coroutines.launch
 
+data class StepsSyncState(
+    val available: Boolean = false,
+    val granted: Boolean = false,
+    val todaySteps: Int? = null,
+    val syncing: Boolean = false,
+)
+
 class SettingsViewModel(
     private val store: SettingsStore,
     private val tokenStore: eu.brassepc.fitnessdroid.data.TokenStore,
     private val credentialStore: eu.brassepc.fitnessdroid.data.CredentialStore,
+    val stepsSync: eu.brassepc.fitnessdroid.data.StepsSync,
 ) : ViewModel() {
+    val stepsState = kotlinx.coroutines.flow.MutableStateFlow(StepsSyncState())
+
+    fun refreshStepsState() = viewModelScope.launch {
+        stepsState.value = stepsState.value.copy(
+            available = stepsSync.isAvailable(),
+            granted = stepsSync.hasPermission(),
+        )
+    }
+
+    fun syncStepsNow() = viewModelScope.launch {
+        stepsState.value = stepsState.value.copy(syncing = true)
+        val steps = runCatching { stepsSync.syncNow() }.getOrNull()
+        stepsState.value = stepsState.value.copy(syncing = false, todaySteps = steps)
+    }
     val settings = store.settings
         .stateIn(viewModelScope, SharingStarted.WhileSubscribed(5000), AppSettings())
 
@@ -58,6 +80,7 @@ class SettingsViewModel(
 
     init {
         viewModelScope.launch { apiUrl.value = tokenStore.apiUrl() }
+        refreshStepsState()
     }
 
     fun setStyle(value: RestTimerStyle) = viewModelScope.launch { store.setRestTimerStyle(value) }
@@ -103,7 +126,7 @@ class SettingsViewModel(
         val Factory: ViewModelProvider.Factory = viewModelFactory {
             initializer {
                 val c = appContainer()
-                SettingsViewModel(c.settingsStore, c.tokenStore, c.credentialStore)
+                SettingsViewModel(c.settingsStore, c.tokenStore, c.credentialStore, c.stepsSync)
             }
         }
     }
@@ -161,6 +184,69 @@ fun SettingsScreen(
                 }
             }
 
+            SettingsCard(title = "Stegsynk (Health Connect)") {
+                val stepsState by viewModel.stepsState.collectAsStateWithLifecycle()
+                val context = androidx.compose.ui.platform.LocalContext.current
+                val hcLauncher = androidx.activity.compose.rememberLauncherForActivityResult(
+                    androidx.health.connect.client.PermissionController
+                        .createRequestPermissionResultContract()
+                ) { _ -> viewModel.refreshStepsState() }
+
+                Column(
+                    modifier = Modifier
+                        .fillMaxWidth()
+                        .padding(horizontal = 16.dp, vertical = 6.dp),
+                    verticalArrangement = Arrangement.spacedBy(8.dp),
+                ) {
+                    Text(
+                        "Läser dagens steg från telefonen (Health Connect) och räknar in " +
+                            "dem i kalorimätaren och stegmålen.",
+                        style = MaterialTheme.typography.bodySmall,
+                        color = MaterialTheme.colorScheme.onSurfaceVariant,
+                    )
+                    when {
+                        !stepsState.available -> {
+                            Text(
+                                "Health Connect saknas på telefonen.",
+                                color = MaterialTheme.colorScheme.error,
+                                style = MaterialTheme.typography.bodyMedium,
+                            )
+                            FilledTonalButton(
+                                onClick = {
+                                    runCatching {
+                                        context.startActivity(
+                                            android.content.Intent(
+                                                android.content.Intent.ACTION_VIEW,
+                                                android.net.Uri.parse("market://details?id=com.google.android.apps.healthdata"),
+                                            )
+                                        )
+                                    }
+                                },
+                                modifier = Modifier.fillMaxWidth(),
+                            ) { Text("Installera Health Connect") }
+                        }
+                        !stepsState.granted -> {
+                            FilledTonalButton(
+                                onClick = { hcLauncher.launch(setOf(viewModel.stepsSync.stepsPermission)) },
+                                modifier = Modifier.fillMaxWidth(),
+                            ) { Text("Aktivera stegläsning") }
+                        }
+                        else -> {
+                            Text(
+                                "Aktiv ✓" + (stepsState.todaySteps?.let { " · idag: $it steg" } ?: ""),
+                                color = MaterialTheme.colorScheme.primary,
+                                style = MaterialTheme.typography.bodyMedium,
+                            )
+                            FilledTonalButton(
+                                onClick = viewModel::syncStepsNow,
+                                enabled = !stepsState.syncing,
+                                modifier = Modifier.fillMaxWidth(),
+                            ) { Text(if (stepsState.syncing) "Synkar…" else "Synka nu") }
+                        }
+                    }
+                }
+            }
+
             SettingsCard(title = "GPS-spårning") {
                 Text(
                     "Filter mot GPS-brus i aktivitetsspårningen. Fartgrinden förkastar " +
diff --git a/doc/activities-plan.md b/doc/activities-plan.md
index 3521f38..f2d7f74 100644
--- a/doc/activities-plan.md
+++ b/doc/activities-plan.md
@@ -103,7 +103,7 @@ frontend av `src/**` m.fl., FitnessDroid av varje push till main.)
 - [x] Etapp 2 — Aktiviteter: bibliotek + manuell logg *(kod klar 2026-08-23: backend 9a81cf6, webb — aktivitetsflik, app 0.6.0; väntar på användartest)*
 - [x] Etapp 3 — Live-spårning (GPS) *(klar & fälttestad 2026-08-26: GPS-väntfas, providerlyssning gps/fused/network, fartgrind (Doppler), rörelsevakt (accelerometer), offline-kö, teknisk logg — GPS-filter justerbara i inställningarna)*
 - [x] Etapp 4 — Mål & mätare *(kod klar 2026-08-26: Goal-modell + goalsWithProgress i API:t, målsektion i webbens aktivitetsflik, målkort med progress-bars på appens hemskärm + målskärm; väntar på användartest)*
-- [ ] Etapp 5 — Steg & telefondata
+- [x] Etapp 5 — Steg & telefondata *(kod klar 2026-08-26: DailySteps + upsert i API:t med telefon-kcal (0.00038 kcal/steg/kg, dubbelräkningsskydd mot gång/löp/vandringsaktiviteter), Health Connect-läsning i appen (connect-client 1.1.0-alpha07 — nyare kräver AGP 8.9/SDK 36), aktivering under Inställningar → Stegsynk; webben behövde ingen ändring. Väntar på användartest)*
 - [ ] Etapp 6 — Statistik & polish
 
 Google Fit-importen byggs efter etapp 6 som separat arbete.
diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index 1c9a272..189e5a5 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -13,6 +13,7 @@ room = "2.7.2"
 ksp = "2.2.0-2.0.2"
 blessedKotlin = "3.0.12"
 osmdroid = "6.1.20"
+healthConnect = "1.1.0-alpha07"
 
 [libraries]
 androidx-core-ktx = { group = "androidx.core", name = "core-ktx", version.ref = "coreKtx" }
@@ -35,6 +36,7 @@ androidx-room-ktx = { group = "androidx.room", name = "room-ktx", version.ref =
 androidx-room-compiler = { group = "androidx.room", name = "room-compiler", version.ref = "room" }
 blessed-kotlin = { group = "com.github.weliem", name = "blessed-kotlin", version.ref = "blessedKotlin" }
 osmdroid = { group = "org.osmdroid", name = "osmdroid-android", version.ref = "osmdroid" }
+health-connect = { group = "androidx.health.connect", name = "connect-client", version.ref = "healthConnect" }
 
 [plugins]
 android-application = { id = "com.android.application", version.ref = "agp" }