# 簡易計算機 vs LevelNote

The clearest difference is in-app purchases: 簡易計算機 at none against LevelNote's 2. 簡易計算機 also leads on device support (3 vs 1) and iOS requirement (8.0 vs 17.0). LevelNote's advantage is update cadence (fortnightly vs every 45 months). On price and ads there is nothing between them.

Both are free to download. LevelNote sells 2 in-app purchases, starting at $0.49 per month. 簡易計算機 asks for nothing beyond the download.

簡易計算機 ships an update every 45 months, LevelNote fortnightly. The most recent releases landed on October 21, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | 簡易計算機 | LevelNote |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 45 months | **Fortnightly** |
| Size | 4 MB | 12 MB |
| Requires iOS | **8.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [振伟 张](https://appshunter.io/developer/369084217) | [Tadahiro Inoue](https://appshunter.io/developer/1857960601) |

## What reviewers say

### 簡易計算機

[App page](https://appshunter.io/ios/app/id498928808)

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

**In-app purchases:** none


### LevelNote

[App page](https://appshunter.io/ios/app/levelnote-digital-field-book/id6756013665)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| LevelNote Pro | $0.49 | per month |
| LevelNote | $19.99 | one-time |


## Frequently asked questions

### Is 簡易計算機 free?

簡易計算機 is free to download, with no in-app purchases.

### Is LevelNote free?

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

### Do 簡易計算機 or LevelNote have ads?

Neither 簡易計算機 nor LevelNote shows ads.

### Which is updated more often, 簡易計算機 or LevelNote?

簡易計算機 ships an update every 45 months, and LevelNote fortnightly. Most recently, 簡易計算機 was updated on October 21, 2026 and LevelNote on October 10, 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.*