# Scale Relay vs ScaleSynch

The clearest difference is update cadence: Scale Relay at every 2 weeks against ScaleSynch's monthly. Scale Relay also leads on iOS requirement (17.0 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Scale Relay sells 1 one-off in-app purchase and ScaleSynch sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Scale Relay ships an update every 2 weeks, ScaleSynch monthly. Both last shipped on October 31, 2026.

## The numbers

| Metric | Scale Relay | ScaleSynch |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Monthly |
| Size | 2 MB | 3 MB |
| Requires iOS | **17.0** | 26.0 |
| Devices | iPhone | **iPhone, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Marcin Naglik](https://appshunter.io/developer/1860354816) | [Rob In der Maur](https://appshunter.io/developer/737679668) |

## What reviewers say

### Scale Relay

[App page](https://appshunter.io/ios/app/scale-relay-smart-scale-sync/id6757105647)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Garmin Sync | $14.99 | one-time |


### ScaleSynch

[App page](https://appshunter.io/ios/app/scalesynch-sync-your-weight/id6763006746)

**Features:** Family Sharing, Apple Watch app

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited real BT scanes | $2.99 | one-time |


## Frequently asked questions

### Is Scale Relay free?

Scale Relay is free to download, with in-app purchases available.

### Is ScaleSynch free?

ScaleSynch is free to download, with in-app purchases available.

### Do Scale Relay or ScaleSynch have ads?

Neither Scale Relay nor ScaleSynch shows ads.

### Which is updated more often, Scale Relay or ScaleSynch?

Scale Relay ships an update every 2 weeks, and ScaleSynch monthly. Most recently, Scale Relay was updated on October 31, 2026 and ScaleSynch on October 31, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*