# SynchroMix vs Fehm

The clearest difference is iOS requirement: SynchroMix at 12.4 against Fehm's 18.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

SynchroMix ships an update every 8 days, Fehm every 4 days. The most recent releases landed on October 10, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | SynchroMix | Fehm |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 days | **Every 4 days** |
| Size | 4 MB | 14 MB |
| Requires iOS | **12.4** | 18.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [SURGICEN SL](https://appshunter.io/developer/1511469374) | [Bonded App LLC](https://appshunter.io/developer/1812522064) |

## What reviewers say

### SynchroMix

[App page](https://appshunter.io/ios/app/synchromix/id1511469375)

**Features:** macOS Compatibility

**In-app purchases:** none


### Fehm

[App page](https://appshunter.io/ios/app/fehm/id6758907228)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SynchroMix free?

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

### Is Fehm free?

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

### Do SynchroMix or Fehm have ads?

Neither SynchroMix nor Fehm shows ads.

### Which is updated more often, SynchroMix or Fehm?

SynchroMix ships an update every 8 days, and Fehm every 4 days. Most recently, SynchroMix was updated on October 10, 2026 and Fehm on October 5, 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.*