# LetNote vs 计算器Max

The clearest difference is in-app purchases: 计算器Max at none against LetNote's 4. 计算器Max also leads on iOS requirement (12.0 vs 15.1). On price, ads and device support there is nothing between them.

Both are free to download. LetNote sells 4 in-app purchases, starting at $0.99 per month. 计算器Max asks for nothing beyond the download.

## The numbers

| Metric | LetNote | 计算器Max |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 9 months | — |
| Size | 49 MB | 26 MB |
| Requires iOS | 15.1 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [前山 瓮](https://appshunter.io/developer/1633457447) | [Jun Wu](https://appshunter.io/developer/1329325100) |

## What reviewers say

### LetNote

[App page](https://appshunter.io/ios/app/letnote/id1670928911)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro(Monthly) | $0.99 | per month |
| Pro(Six Month) | $5.99 | per 6 months |
| Pro(Annual) | $9.99 | per year |
| Pro(Lifetime) | $12.99 | one-time |


### 计算器Max

[App page](https://appshunter.io/ios/app/max/id6744909349)

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

**In-app purchases:** none


## Frequently asked questions

### Is LetNote free?

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

### Is 计算器Max free?

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

### Do LetNote or 计算器Max have ads?

Neither LetNote nor 计算器Max shows ads.

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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.*