# JMAKeyReader vs ERREBIRebadgePRO

The clearest difference is iOS requirement: JMAKeyReader at 14.0 against ERREBIRebadgePRO'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.

JMAKeyReader ships an update every 4 weeks, ERREBIRebadgePRO monthly. The most recent releases landed on September 22, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | JMAKeyReader | ERREBIRebadgePRO |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 weeks** | Monthly |
| Size | 26 MB | 37 MB |
| Requires iOS | **14.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [JMA Alejandro Altuna, S.L.U.](https://appshunter.io/developer/1283371844) | [ERREBI S.p.A.](https://appshunter.io/developer/1355739914) |

## What reviewers say

### JMAKeyReader

[App page](https://appshunter.io/ios/app/jmakeyreader/id6695739130)

**In-app purchases:** none


### ERREBIRebadgePRO

[App page](https://appshunter.io/ios/app/errebirebadgepro/id6749575848)

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

**In-app purchases:** none


## Frequently asked questions

### Is JMAKeyReader free?

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

### Is ERREBIRebadgePRO free?

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

### Do JMAKeyReader or ERREBIRebadgePRO have ads?

Neither JMAKeyReader nor ERREBIRebadgePRO shows ads.

### Which is updated more often, JMAKeyReader or ERREBIRebadgePRO?

JMAKeyReader ships an update every 4 weeks, and ERREBIRebadgePRO monthly. Most recently, JMAKeyReader was updated on September 22, 2026 and ERREBIRebadgePRO on October 9, 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.*