# Acceleration Unit Converter vs LevelNote

The clearest difference is price: LevelNote at Free against Acceleration Unit Converter's $1.99. LevelNote also leads on update cadence (fortnightly vs every 38 months). Acceleration Unit Converter's advantage is in-app purchases (none vs 2) and device support (3 vs 1). On ads there is nothing between them.

LevelNote is free to download; Acceleration Unit Converter costs $1.99 up front. LevelNote sells 2 in-app purchases, starting at $0.49 per month. Acceleration Unit Converter asks for nothing beyond the download.

Acceleration Unit Converter ships an update every 38 months, LevelNote fortnightly. The most recent releases landed on September 9, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Acceleration Unit Converter | LevelNote |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 38 months | **Fortnightly** |
| Size | 0 MB | 11 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Kei Suefuji](https://appshunter.io/developer/1388335881) | [Tadahiro Inoue](https://appshunter.io/developer/1857960601) |

## What reviewers say

### Acceleration Unit Converter

[App page](https://appshunter.io/ios/app/acceleration-unit-converter/id1451650029)

**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 Acceleration Unit Converter free?

Acceleration Unit Converter costs $1.99, with no in-app purchases.

### Is LevelNote free?

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

### Do Acceleration Unit Converter or LevelNote have ads?

Neither Acceleration Unit Converter nor LevelNote shows ads.

### Which is updated more often, Acceleration Unit Converter or LevelNote?

Acceleration Unit Converter ships an update every 38 months, and LevelNote fortnightly. Most recently, Acceleration Unit Converter was updated on September 9, 2026 and LevelNote on September 23, 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.*