# Synergym vs Yerro

The clearest difference is update cadence: Yerro at every 3 days against Synergym's monthly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Synergym ships an update monthly, Yerro every 3 days. The most recent releases landed on November 5, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Synergym | Yerro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (196 ratings)](https://appshunter.io/ios/app/synergym/id6746641387/reviews)** | — |
| Number of ratings | **196** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 days** |
| Monetization | Free | — |
| Size | 214 MB | 52 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [SYNERGYM HOLDING SL](https://appshunter.io/developer/1468480793) | [Josue Isai Hernandez Sanchez](https://appshunter.io/developer/1860911443) |

## What reviewers say

### Synergym

[App page](https://appshunter.io/ios/app/synergym/id6746641387)

This app is your personal gym companion, offering QR access, class booking, and automatic activity tracking. Monitor your body composition, access a vast exercise library with 3D animations, and create custom routines. It provides personalized recommendations and tracks your performance in detail.

**Highlights:** QR code gym access, Class schedule and booking, Automatic daily activity monitoring, Body composition tracking, Extensive exercise library with 3D animations, Customizable workout routines, Personalized training recommendations

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Yerro

[App page](https://appshunter.io/ios/app/yerro/id6819576832)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Synergym free?

Synergym is free to download, with no in-app purchases.

### Is Yerro free?

Yerro is free to download, with no in-app purchases.

### Do Synergym or Yerro have ads?

Neither Synergym nor Yerro shows ads.

### Which is updated more often, Synergym or Yerro?

Synergym ships an update monthly, and Yerro every 3 days. Most recently, Synergym was updated on November 5, 2026 and Yerro on November 6, 2026.

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