# Pocket Didactiek vs Echo

The clearest difference is update cadence: Echo at every 2 weeks against Pocket Didactiek's every 5 weeks. Pocket Didactiek's advantage is iOS requirement (12.4 vs 15.1). 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.

Pocket Didactiek ships an update every 5 weeks, Echo every 2 weeks. The most recent releases landed on September 8, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | Pocket Didactiek | Echo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 2 weeks** |
| Size | 20 MB | 33 MB |
| Requires iOS | **12.4** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Vernieuwenderwijs](https://appshunter.io/developer/1547271911) | [Krom (NL)](https://appshunter.io/developer/1847971924) |

## What reviewers say

### Pocket Didactiek

[App page](https://appshunter.io/ios/app/pocket-didactiek/id1547271909)

**Features:** macOS Compatibility

**In-app purchases:** none


### Echo

[App page](https://appshunter.io/ios/app/echo-reflective-learning/id6754340366)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Pocket Didactiek free?

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

### Is Echo free?

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

### Do Pocket Didactiek or Echo have ads?

Neither Pocket Didactiek nor Echo shows ads.

### Which is updated more often, Pocket Didactiek or Echo?

Pocket Didactiek ships an update every 5 weeks, and Echo every 2 weeks. Most recently, Pocket Didactiek was updated on September 8, 2026 and Echo on September 14, 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.*