# Jeyso vs amux

The clearest difference is update cadence: amux at every 2 days against Jeyso's monthly. amux also leads on iOS requirement (15.1 vs 17.0). 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.

Jeyso ships an update monthly, amux every 2 days. The most recent releases landed on September 26, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | Jeyso | amux |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 days** |
| Size | 5 MB | 53 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Umit UZ](https://appshunter.io/developer/1842858860) | [Jordan Webster](https://appshunter.io/developer/1883137345) |

## What reviewers say

### Jeyso

[App page](https://appshunter.io/ios/app/jeyso-json-diff-and-formatter/id6758353863)

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

**In-app purchases:** none


### amux

[App page](https://appshunter.io/ios/app/amux/id6760197635)

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

**In-app purchases:** none


## Frequently asked questions

### Is Jeyso free?

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

### Is amux free?

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

### Do Jeyso or amux have ads?

Neither Jeyso nor amux shows ads.

### Which is updated more often, Jeyso or amux?

Jeyso ships an update monthly, and amux every 2 days. Most recently, Jeyso was updated on September 26, 2026 and amux on September 27, 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.*