# ByteCake vs Echo

The clearest difference is price: ByteCake at Free against Echo's $6.99. ByteCake also leads on iOS requirement (15.0 vs 17.6). Echo's advantage is in-app purchases (none vs 1) and update cadence (every 5 days vs every 5 months). On ads and device support there is nothing between them.

ByteCake is free to download; Echo costs $6.99 up front. ByteCake sells 1 one-off in-app purchase. Echo asks for nothing beyond the download.

ByteCake ships an update every 5 months, Echo every 5 days. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | ByteCake | Echo |
| --- | --- | --- |
| Price | **Free** | $6.99 |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 5 days** |
| Size | 282 MB | 16 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [帅 杨](https://appshunter.io/developer/1050541431) | [Umi Indigo LLC](https://appshunter.io/developer/1679236790) |

## What reviewers say

### ByteCake

[App page](https://appshunter.io/ios/app/bytecake/id6448614302)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ChatFiles | $0.99 | one-time |


### Echo

[App page](https://appshunter.io/ios/app/echo-ai/id6741455864)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ByteCake free?

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

### Is Echo free?

Echo costs $6.99, with no in-app purchases.

### Do ByteCake or Echo have ads?

Neither ByteCake nor Echo shows ads.

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

ByteCake ships an update every 5 months, and Echo every 5 days. Most recently, ByteCake was updated on November 3, 2026 and Echo on October 30, 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.*