# ECHO vs Rheumatools John Libbey E.

The clearest difference is update cadence: Rheumatools John Libbey E. at every 8 months against ECHO's every 26 months. ECHO's advantage is device support (3 vs 1) and iOS requirement (9.0 vs 16.0). On price, 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.

ECHO ships an update every 26 months, Rheumatools John Libbey E. every 8 months. The most recent releases landed on September 29, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | ECHO | Rheumatools John Libbey E. |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 26 months | **Every 8 months** |
| Size | 59 MB | 61 MB |
| Requires iOS | **9.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 17+ |
| Developer | [GoodBarber](https://appshunter.io/developer/1475258056) | [John Libbey Eurotext](https://appshunter.io/developer/503890972) |

## What reviewers say

### ECHO

[App page](https://appshunter.io/ios/app/echo-loco/id493951025)

**Features:** macOS Compatibility

**In-app purchases:** none


### Rheumatools John Libbey E.

[App page](https://appshunter.io/ios/app/rheumatools-john-libbey-e/id1271348064)

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

**In-app purchases:** none


## Frequently asked questions

### Is ECHO free?

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

### Is Rheumatools John Libbey E. free?

Rheumatools John Libbey E. is free to download, with no in-app purchases.

### Do ECHO or Rheumatools John Libbey E. have ads?

Neither ECHO nor Rheumatools John Libbey E. shows ads.

### Which is updated more often, ECHO or Rheumatools John Libbey E.?

ECHO ships an update every 26 months, and Rheumatools John Libbey E. every 8 months. Most recently, ECHO was updated on September 29, 2026 and Rheumatools John Libbey E. on September 30, 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.*