# Sinogram Star vs AI Buddha

The clearest difference is price: AI Buddha at Free against Sinogram Star's $19.99. Sinogram Star's advantage is in-app purchases (none vs 12). On update cadence, ads, device support and iOS requirement there is nothing between them.

AI Buddha is free to download; Sinogram Star costs $19.99 up front. AI Buddha sells 12 one-off in-app purchases. Sinogram Star asks for nothing beyond the download.

Sinogram Star ships an update every 3 weeks, AI Buddha every 11 days. The most recent releases landed on May 16, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Sinogram Star | AI Buddha |
| --- | --- | --- |
| Price | $19.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 11 days** |
| Size | 67 MB | 90 MB |
| Requires iOS | 12.1 | **11.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Clavis Sinica Limited](https://appshunter.io/developer/1635273455) | [SEMANTIC TECHNOLOGIES LLC](https://appshunter.io/developer/1777357874) |

## What reviewers say

### Sinogram Star

[App page](https://appshunter.io/ios/app/sinogram-star/id1635273453)

**Features:** macOS Compatibility

**In-app purchases:** none


### AI Buddha

[App page](https://appshunter.io/ios/app/ai-buddha/id6466132249)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 100 points | $0.99 | one-time |
| 1000 points | $9.99 | one-time |
| Monthly membership | $19.99 | one-time |
| 2000积分 | $19.99 | one-time |
| 5000 points | $29.99 | one-time |
| US$50 | $50.00 | one-time |
| US$100 | $100.00 | one-time |
| Annual membership | $199.99 | one-time |
| US$200 | $200.00 | one-time |
| 3 year membership | $299.99 | one-time |
| US$300 | $300.00 | one-time |
| 5 year membership | $399.99 | one-time |


## Frequently asked questions

### Is Sinogram Star free?

Sinogram Star costs $19.99, with no in-app purchases.

### Is AI Buddha free?

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

### Do Sinogram Star or AI Buddha have ads?

Neither Sinogram Star nor AI Buddha shows ads.

### Which is updated more often, Sinogram Star or AI Buddha?

Sinogram Star ships an update every 3 weeks, and AI Buddha every 11 days. Most recently, Sinogram Star was updated on May 16, 2026 and AI Buddha on September 19, 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.*