# Custom Unit Converter vs Unit Conveyor

The clearest difference is in-app purchases: Unit Conveyor at none against Custom Unit Converter's 1. Custom Unit Converter's advantage is update cadence (fortnightly vs every 6 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Custom Unit Converter sells 1 in-app purchase, starting at $0.49 per month. Unit Conveyor asks for nothing beyond the download.

Custom Unit Converter ships an update fortnightly, Unit Conveyor every 6 weeks. The most recent releases landed on October 30, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | Custom Unit Converter | Unit Conveyor |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Fortnightly** | Every 6 weeks |
| Size | 12 MB | 31 MB |
| Requires iOS | **16.2** | 16.4 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Tsuyoshi Ninomiya](https://appshunter.io/developer/1840418816) | [Yoshihide Maehama](https://appshunter.io/developer/6801839177) |

## What reviewers say

### Custom Unit Converter

[App page](https://appshunter.io/ios/app/custom-unit-converter-myunit/id6752657586)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MyUnit | $0.49 | per month |


### Unit Conveyor

[App page](https://appshunter.io/ios/app/unit-conveyor/id6805896024)

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

**In-app purchases:** none


## Frequently asked questions

### Is Custom Unit Converter free?

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

### Is Unit Conveyor free?

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

### Do Custom Unit Converter or Unit Conveyor have ads?

Both Custom Unit Converter and Unit Conveyor show ads.

### Which is updated more often, Custom Unit Converter or Unit Conveyor?

Custom Unit Converter ships an update fortnightly, and Unit Conveyor every 6 weeks. Most recently, Custom Unit Converter was updated on October 30, 2026 and Unit Conveyor on October 26, 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.*