# Recursion vs Echo Frog

The clearest difference is in-app purchases: Recursion at none against Echo Frog's 2. Recursion also leads on iOS requirement (9.0 vs 26.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Echo Frog sells 2 in-app purchases, starting at $1.99 per month. Recursion asks for nothing beyond the download.

Recursion ships an update every 3 weeks, Echo Frog every 6 weeks. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Recursion | Echo Frog |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 6 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 35 MB | 12 MB |
| Requires iOS | **9.0** | 26.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [少鹏 李](https://appshunter.io/developer/1631826684) | [云涛 贾](https://appshunter.io/developer/1887721892) |

## What reviewers say

### Recursion

[App page](https://appshunter.io/ios/app/recursion/id6443852888)

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

**In-app purchases:** none


### Echo Frog

[App page](https://appshunter.io/ios/app/echo-frog-speak-and-repeat/id6762504743)

Record your voice and compare it to a reference pronunciation to improve clarity and naturalness. This tool offers speech recognition, translation, and example sentences to enhance language learning and speaking skills.

**Highlights:** Voice recording and playback, Pronunciation comparison, Speech recognition, Translation, Example sentences, Multiple language support

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Voices | $1.99 | per month |
| Unlimited Voices | $0.99 | one-time |


## Frequently asked questions

### Is Recursion free?

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

### Is Echo Frog free?

Echo Frog is free to download, with in-app purchases available.

### Do Recursion or Echo Frog have ads?

Neither Recursion nor Echo Frog shows ads.

### Which is updated more often, Recursion or Echo Frog?

Recursion ships an update every 3 weeks, and Echo Frog every 6 weeks. Most recently, Recursion was updated on November 3, 2026 and Echo Frog on October 31, 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.*