# RetentionAI vs Echo.ai

The clearest difference is in-app purchases: RetentionAI at none against Echo.ai's 2. RetentionAI also leads on iOS requirement (13.4 vs 15.1). On price, ads and device support there is nothing between them.

Both are free to download. Echo.ai sells 2 in-app purchases, starting at $4.99 per 7 days. RetentionAI asks for nothing beyond the download.

## The numbers

| Metric | RetentionAI | Echo.ai |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | — | Every 5 days |
| Monetization | — | Free with in-app purchases |
| Size | 25 MB | 65 MB |
| Requires iOS | **13.4** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Caleb Areeveso](https://appshunter.io/developer/1743832436) | [Josue Frejus Godeme](https://appshunter.io/developer/1729727411) |

## What reviewers say

### RetentionAI

[App page](https://appshunter.io/ios/app/retentionai/id6738580547)

**Features:** macOS Compatibility

**In-app purchases:** none


### Echo.ai

[App page](https://appshunter.io/ios/app/echoai/id6747322827)

Practice real-life conversations to improve language fluency. Choose your tutor's voice and accent, and receive a personalized study plan. Focus on speaking for effective language acquisition.

**Highlights:** Speak to learn languages, Practice real-life scenarios, Choose tutor voice and accent, Personalized study plans, Focus on conversation

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Echo.ai Pro - Weekly | $4.99 | per 7 days |
| Echo.ai Pro | $12.99 | per month |


## Frequently asked questions

### Is RetentionAI free?

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

### Is Echo.ai free?

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

### Do RetentionAI or Echo.ai have ads?

Both RetentionAI and Echo.ai show ads.

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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.*