# Note Everything vs Unit Eater

The clearest difference is update cadence: Unit Eater at every 2 weeks against Note Everything's every 5 months. Unit Eater also leads on iOS requirement (12.0 vs 15.5). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Note Everything sells 1 in-app purchase, starting at $9.99 per year and Unit Eater sells 2 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

Note Everything ships an update every 5 months, Unit Eater every 2 weeks. The most recent releases landed on September 21, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Note Everything | Unit Eater |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 86 MB | 65 MB |
| Requires iOS | 15.5 | **12.0** |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Tran Van Diep](https://appshunter.io/developer/1601772001) | [Tom Leon Schmidt](https://appshunter.io/developer/1634212175) |

## What reviewers say

### Note Everything

[App page](https://appshunter.io/ios/app/note-everything/id6479020525)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $9.99 | per year |


### Unit Eater

[App page](https://appshunter.io/ios/app/unit-eater/id6742549723)

This utility app functions as a powerful calculator that handles unit conversions and calculations. It supports a vast array of predefined units and allows users to define their own, making it ideal for scientific and academic tasks. Features include a calculation history, customizable results, and dark mode.

**Highlights:** Unit conversion and calculation, Custom unit definition, Extensive unit library, Calculation history, Customizable result format, Dark mode

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium - Monthly | $0.99 | per month |
| Premium - Pay once | $3.99 | one-time |


## Frequently asked questions

### Is Note Everything free?

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

### Is Unit Eater free?

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

### Do Note Everything or Unit Eater have ads?

Neither Note Everything nor Unit Eater shows ads.

### Which is updated more often, Note Everything or Unit Eater?

Note Everything ships an update every 5 months, and Unit Eater every 2 weeks. Most recently, Note Everything was updated on September 21, 2026 and Unit Eater on September 30, 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.*