# Abacus AI vs Himawari

The clearest difference is in-app purchases: Himawari at none against Abacus AI's 5. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Abacus AI sells 5 one-off in-app purchases. Himawari asks for nothing beyond the download.

Abacus AI ships an update every 5 weeks, Himawari monthly. The most recent releases landed on October 2, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Abacus AI | Himawari |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Monthly** |
| Size | 865 MB | 104 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [广州豆苗信息科技有限公司](https://appshunter.io/developer/1231700775) | [Vintana Labs Sdn Bhd](https://appshunter.io/developer/1485512356) |

## What reviewers say

### Abacus AI

[App page](https://appshunter.io/ios/app/abacus-ai-student-version/id6677015880)

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 珠心算Ai学生端会员(3月) | $49.99 | one-time |
| 珠心算Ai学生端会员（半年） | $99.99 | one-time |
| 珠心算Ai学生端会员（1年） | $129.99 | one-time |
| 珠心算Ai学生端会员（3年） | $149.99 | one-time |
| 珠心算Ai学生端会员（2年） | $199.99 | one-time |


### Himawari

[App page](https://appshunter.io/ios/app/himawari/id6740189762)

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

**In-app purchases:** none


## Frequently asked questions

### Is Abacus AI free?

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

### Is Himawari free?

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

### Do Abacus AI or Himawari have ads?

Neither Abacus AI nor Himawari shows ads.

### Which is updated more often, Abacus AI or Himawari?

Abacus AI ships an update every 5 weeks, and Himawari monthly. Most recently, Abacus AI was updated on October 2, 2026 and Himawari on October 5, 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.*