# 脑花 vs 计算器

The clearest difference is in-app purchases: 计算器 at none against 脑花's 9. 计算器 also leads on update cadence (every 4 days vs every 5 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 脑花 sells 9 one-off in-app purchases. 计算器 asks for nothing beyond the download.

脑花 ships an update every 5 weeks, 计算器 every 4 days. The most recent releases landed on October 6, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | 脑花 | 计算器 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 4 days** |
| Size | 63 MB | 2 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | iPhone | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Cephalon Limited](https://appshunter.io/developer/1893219446) | [勇 张](https://appshunter.io/developer/1520529338) |

## What reviewers say

### 脑花

[App page](https://appshunter.io/ios/app/agent/id6762169454)

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 7000 脑力值 | $0.99 | one-time |
| 28840 脑力值 | $5.99 | one-time |
| 50470 脑力值 | $9.99 | one-time |
| 72100 脑力值 | $14.99 | one-time |
| 220500 脑力值 | $39.99 | one-time |
| 367500 脑力值 | $69.99 | one-time |
| 529200 脑力值 | $99.99 | one-time |
| 680400 脑力值 | $129.99 | one-time |
| 756000 脑力值 | $149.99 | one-time |


### 计算器

[App page](https://appshunter.io/ios/app/id6790255671)

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

**In-app purchases:** none


## Frequently asked questions

### Is 脑花 free?

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

### Is 计算器 free?

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

### Do 脑花 or 计算器 have ads?

Neither 脑花 nor 计算器 shows ads.

### Which is updated more often, 脑花 or 计算器?

脑花 ships an update every 5 weeks, and 计算器 every 4 days. Most recently, 脑花 was updated on October 6, 2026 and 计算器 on October 4, 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.*