# 山姆叔叔 vs Byte

The clearest difference is in-app purchases: 山姆叔叔 at none against Byte's 2. Byte's advantage is update cadence (monthly vs every 13 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Byte sells 2 in-app purchases, starting at $4.99 per month. 山姆叔叔 asks for nothing beyond the download.

山姆叔叔 ships an update every 13 months, Byte monthly. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 山姆叔叔 | Byte |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 13 months | **Monthly** |
| Size | 194 MB | 23 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Chi Hsien Lai](https://appshunter.io/developer/1039759515) | [GCDM Limited](https://appshunter.io/developer/1766019898) |

## What reviewers say

### 山姆叔叔

[App page](https://appshunter.io/ios/app/id6752279417)

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

**In-app purchases:** none


### Byte

[App page](https://appshunter.io/ios/app/byte-ai-learning-game/id6759033818)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Byte Pro Monthly | $4.99 | per month |
| Byte Pro Yearly | $29.99 | per year |


## Frequently asked questions

### Is 山姆叔叔 free?

山姆叔叔 is free to download, with no in-app purchases.

### Is Byte free?

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

### Do 山姆叔叔 or Byte have ads?

Neither 山姆叔叔 nor Byte shows ads.

### Which is updated more often, 山姆叔叔 or Byte?

山姆叔叔 ships an update every 13 months, and Byte monthly. Most recently, 山姆叔叔 was updated on October 24, 2026 and Byte 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.*