# Scale Relay — Bluetooth Scale Data Sync

> Bluetooth Scale Data Sync (iPhone/iPad app by Marcin Naglik.)

- Source: https://appshunter.io/ios/app/scale-relay/id6757105647 (this page in markdown: same URL + `.md`)
- Developer: [Marcin Naglik](https://appshunter.io/developer/1860354816)
- Category: Health & Fitness, Utilities
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 17.0 · 1 MB
- Languages: American English
- Released: 2026-05-20
- Data updated: 2026-08-13
- User reviews in markdown: https://appshunter.io/ios/app/scale-relay/id6757105647/reviews.md

## What is Scale Relay?

Scale Relay connects your Bluetooth body composition scale to your fitness tracking platform.

This is an independent, unofficial third-party application. Not affiliated with, endorsed by, or associated with any scale or fitness platform manufacturer.

FEATURES
• Automatic Bluetooth detection for compatible BLE scales
• Complete body composition analysis
• One-tap sync to cloud fitness services (in-app purchase)
• Secure authentication with 2FA support
• Clean, native iOS design

MEASUREMENTS
• Weight
• Body Fat %
• Muscle Mass
• Bone Mass
• Water %
• BMI & BMR

HOW IT WORKS
1. Open the app and step on your scale
2. See your weight and body composition instantly
3. Connect your fitness account to sync automatically (optional $9.99 purchase)

PRIVACY FIRST
All data stays on your device. No accounts required. No tracking. No ads.

COMPATIBILITY
Works with Bluetooth Low Energy (BLE) body composition scales that broadcast weight and impedance data.

Sync feature currently supports Garmin Connect.

REQUIREMENTS
• iPhone with Bluetooth LE
• iOS 17.0 or later
• Compatible BLE body composition scale
• Optional: Garmin Connect account for sync

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Garmin Export | $9.99 | one-time |



## Version history (last 5 releases)

### 1.2.1 — 2026-08-12

Scale Relay 1.2.1 makes synchronization more reliable and transparent.
• Clear confirmation when a measurement is saved locally and uploaded to Garmin Connect
• Failed uploads can be retried without losing the measurement
• Improved synchronization after launching the app
• New in-app feedback form
• Privacy and stability improvements

### 1.2 — 2026-08-12

- Introduced a new name and app icon
- Simplified the weighing screen with clearer status messages

### 1.1.1 — 2026-08-04

Fixed support for S400 scale

### 1.1 — 2026-06-13

Renamed the app to SyncScale.
Added support for weight-only scale measurements.
Improved Garmin sync status visibility.
Fixed body composition detection for Xiaomi scales.
Improved reliability of Garmin body composition uploads.

### 1.0 — 2026-05-20

No release notes.

## More apps by Marcin Naglik

- [HRV Sync](https://appshunter.io/ios/app/hrv-sync/id6756378219)

All apps by Marcin Naglik: https://appshunter.io/developer/1860354816

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-13.*