# Echo vs Sorb

The clearest difference is update cadence: Sorb at every 8 days against Echo's every 2 months. Echo's advantage is device support (3 vs 1). On price, ads, in-app purchases and iOS requirement 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 2 months, Sorb every 8 days. The most recent releases landed on September 13, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Echo | Sorb |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 8 days** |
| Size | 110 MB | 14 MB |
| Requires iOS | **15.5** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Boorio LTD](https://appshunter.io/developer/1538338333) | [Danpu Zhishu Network Technology Co., Ltd.](https://appshunter.io/developer/6796601315) |

## What reviewers say

### Echo

[App page](https://appshunter.io/ios/app/echo-chat-made-simple/id6741857334)

**Features:** macOS Compatibility

**In-app purchases:** none


### Sorb

[App page](https://appshunter.io/ios/app/sorb-discreet-chat/id6796601313)

**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 Sorb free?

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

### Do Echo or Sorb have ads?

Neither Echo nor Sorb shows ads.

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

Echo ships an update every 2 months, and Sorb every 8 days. Most recently, Echo was updated on September 13, 2026 and Sorb on September 17, 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.*