Scale Relay vs Alke
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Scale Relay
Seamlessly transfer your smart scale data to Garmin Connect. Supports scales that write to Apple Health or directly syncs with select Xiaomi models via Bluetooth. Offers a preview before syncing and includes body composition metrics.
- Syncs weight and body composition to Garmin Connect
- Supports scales writing to Apple Health
- Direct Bluetooth sync for Xiaomi scales
- Preview weigh-ins before syncing
- Shortcuts integration for automations
- One-time purchase for unlimited syncing
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Get your smart scale's weigh-ins into Garmin Connect, straight from your iPhone. Two ways in, one tap out. APPLE HEALTH ROUTE: ANY SCALE If your scale's app saves weight to the Health app, Scale Relay picks it up and sends it to Garmin Connect. Works with Withings, Renpho, Eufy, Etekcity, Zepp Life, Wyze, Picooc and any other app that writes weight to Apple Health. Note: Withings accounts created on or after 13 October 2026 need Withings+ before the Withings app shares data with Apple Health. Body fat and BMI come along when your scale's app provides them. With the Sync to Garmin action in Shortcuts, an automation can send new weigh-ins without opening the app. BLUETOOTH ROUTE: XIAOMI SCALES, NO OTHER APP NEEDED Step on a Mi Body Composition Scale 2 or a Xiaomi Body Composition Scale S400 and Scale Relay reads the measurement directly: weight, body fat, muscle mass, bone mass, water, BMI and BMR. It can also save each weigh-in to Apple Health. The S400 needs a one-time authorization with your Xiaomi account. WHAT YOU GET • A preview of every weigh-in before it is sent; nothing leaves without your tap or your Shortcut • Body composition in Garmin Connect, not just the weight • Bluetooth weigh-ins saved to Apple Health too, if you turn it on • A Sync to Garmin action for Shortcuts and automations • Weigh-ins from the last 7 days are included; Garmin Sync unlocks older history • One Garmin sign-in, two-factor authentication supported • A "Sent to Garmin" list so you know what arrived FREE TO TRY Your first two syncs are free on either route. Unlimited syncing is a single one-time purchase called Garmin Sync. No subscription. PRIVACY FIRST Your measurements stay on your iPhone and go only to your own Garmin account and, if you choose, to Apple Health. No Scale Relay account, no tracking, no ads. REQUIREMENTS • iOS 17 or later • A Garmin Connect account • Apple Health route: any scale app that writes weight to the Health app • Bluetooth route: Mi Body Composition Scale 2 or Xiaomi Body Composition Scale S400 Scale Relay is an independent app. It is not affiliated with, endorsed by or associated with Garmin, Xiaomi, Withings, Renpho, Eufy, Etekcity, Zepp, Wyze, Picooc or any other scale or fitness-platform maker. Product names are trademarks of their respective owners.
Alke
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Alke is a fast, native workout tracker that plans your training, guides you set by set, and shows your progress in beautiful detail — all offline, all on your iPhone. BUILD YOUR ROUTINES • Create routines from scratch, start from a preset, or let the routine wizard build one around your goal, equipment and time. • Organize supersets, reorder with a drag, and schedule routines across your week. • Browse a library of over a thousand exercises with images, technique video, and an interactive muscle map. Filter by equipment, muscle group, or category. TRAIN WITHOUT FRICTION • A focused workout screen walks you through every set, with automatic rest timers and clear next-up prompts. • Adjust weight, reps or sets on the fly. Tap any weight to read it in kg or lb — handy when the machine in front of you is labelled the other way. • Follow your workout on the Lock Screen and in the Dynamic Island with a Live Activity that shows the set you're on and counts your rest down at a glance. • Sounds, haptics and keep-screen-on are all yours to toggle. TRAIN FROM YOUR WRIST • The Apple Watch app shows the set you're on, its weight and reps, and how far through the workout you are. • A rest countdown that keeps running with your arm down, and a tap on your wrist the moment the pause is over. • Log what you actually lifted: finish a set and correct the weight or reps with the Digital Crown. • Start a routine from your watch and your iPhone picks it up, even from your bag. ALSO ON GARMIN • Pair a compatible Garmin watch and run the same workout from it: the set you're on, its weight and reps, a rest countdown, and how far through you are. • Start a routine, finish a set, and correct what you actually lifted — all from the wrist. • Choose what the watch shows you. Four data fields, picked from heart rate, elapsed and active time, sets done and sets left, volume, total reps, load against your plan, and more. SEE YOUR PROGRESS • Weekly history with a calendar heatmap and per-session summaries, including a muscle heatmap and smart recommendations for next time. • Seven report types powered by charts: volume, estimated 1RM, personal records, muscle balance and more. • A profile "training dossier" — total tonnage, a contribution grid, an all-time muscle heatmap, and your PR podium. BUILT FOR iOS • Save workouts to Apple Health and pull in your body weight. • Home and Lock Screen widgets in Alke's own typeface. • Start a workout with Siri and Shortcuts. • Private iCloud backup of your routines, history, settings and reports, with restore on a new device. • Share a workout card to your favorite apps. • Available in English, Romanian and Russian. No account required. No ads. Your data stays on your device unless you choose to back it up to your private iCloud.
Screenshots
Verdict
The clearest difference is in-app purchases: Alke at none against Scale Relay's 1. Scale Relay's advantage is iOS requirement (17.0 vs 26.0). On price, update cadence, ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Scale Relay sells 1 one-off in-app purchase. Alke asks for nothing beyond the download.
Scale Relay ships an update every 10 days, Alke every 9 days. The most recent releases landed on November 9, 2026 and October 31, 2026 respectively.
| Parameter | Scale Relay | Alke |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 10 days | Every 9 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone | iPhone, Apple Watch — better |
| Requires iOS | 17.0 — better | 26.0 |
| Further details — not scored | ||
| Size | 2 MB | 8 MB |
| Age rating | 4+ | 4+ |
| Developer | Marcin Naglik | Grigore Odajiu |
In-app purchases
Scale Relay
- Garmin Sync$14.99
Alke
No in-app purchases









