# Acode Notes vs UnitHub

The clearest difference is in-app purchases: UnitHub at none against Acode Notes's 1. UnitHub also leads on update cadence (every 8 days vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Acode Notes sells 1 one-off in-app purchase. UnitHub asks for nothing beyond the download.

Acode Notes ships an update every 2 months, UnitHub every 8 days. The most recent releases landed on September 30, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Acode Notes | UnitHub |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 8 days** |
| Size | 19 MB | 39 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [超鹏 任](https://appshunter.io/developer/1770512354) | [ClickWebstudio Technologies Inc.](https://appshunter.io/developer/1837851468) |

## What reviewers say

### Acode Notes

[App page](https://appshunter.io/ios/app/acode-notes/id6740153910)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifelong | $1.99 | one-time |


### UnitHub

[App page](https://appshunter.io/ios/app/unithub-unit-converter/id6752350531)

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

**In-app purchases:** none


## Frequently asked questions

### Is Acode Notes free?

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

### Is UnitHub free?

UnitHub is free to download, with no in-app purchases.

### Do Acode Notes or UnitHub have ads?

Neither Acode Notes nor UnitHub shows ads.

### Which is updated more often, Acode Notes or UnitHub?

Acode Notes ships an update every 2 months, and UnitHub every 8 days. Most recently, Acode Notes was updated on September 30, 2026 and UnitHub on October 9, 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.*