# Mosf vs Echo

The clearest difference is in-app purchases: Mosf at none against Echo's 2. Echo's advantage is update cadence (every 3 weeks vs every 5 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Echo sells 2 in-app purchases, starting at $5.99 per month. Mosf asks for nothing beyond the download.

Mosf ships an update every 5 months, Echo every 3 weeks. The most recent releases landed on October 28, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Mosf | Echo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 weeks** |
| Size | 3 MB | 63 MB |
| Requires iOS | 16.6 | **16.4** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Cem Bozdogan](https://appshunter.io/developer/1793372295) | [Quantdesk Private Limited](https://appshunter.io/developer/1849675737) |

## What reviewers say

### Mosf

[App page](https://appshunter.io/ios/app/mosf-tasks-app/id6741164030)

**In-app purchases:** none


### Echo

[App page](https://appshunter.io/ios/app/echo-ai-voice-notes-and-journal/id6775204931)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Echo Pro Monthly | $5.99 | per month |
| Echo Pro Annual | $39.99 | per year |


## Frequently asked questions

### Is Mosf free?

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

### Is Echo free?

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

### Do Mosf or Echo have ads?

Neither Mosf nor Echo shows ads.

### Which is updated more often, Mosf or Echo?

Mosf ships an update every 5 months, and Echo every 3 weeks. Most recently, Mosf was updated on October 28, 2026 and Echo on October 25, 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.*