# 计算器Pro vs Suanyi

The clearest difference is price: Suanyi at Free against 计算器Pro's $2.99. 计算器Pro's advantage is in-app purchases (none vs 2) and iOS requirement (16.6 vs 18.0).

Suanyi is free to download; 计算器Pro costs $2.99 up front. Suanyi sells 2 in-app purchases, starting at $4.99 per 7 days. 计算器Pro asks for nothing beyond the download.

## The numbers

| Metric | 计算器Pro | Suanyi |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | Yes | — |
| Update frequency | Every 39 months | — |
| Size | 29 MB | 3 MB |
| Requires iOS | **16.6** | 18.0 |
| Devices | **iPhone** | — |
| Age rating | 4+ | 4+ |
| Developer | [doudoubird](https://appshunter.io/developer/1383154758) | [薇薇 殷](https://appshunter.io/developer/1874158488) |

## What reviewers say

### 计算器Pro

[App page](https://appshunter.io/ios/app/pro/id6450943764)

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

**In-app purchases:** none


### Suanyi

[App page](https://appshunter.io/ios/app/suanyi/id6758982336)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Core | $4.99 | per 7 days |
| Yearly Core | $39.99 | per year |


## Frequently asked questions

### Is 计算器Pro free?

计算器Pro costs $2.99, with no in-app purchases.

### Is Suanyi free?

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

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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.*