# BMS Master vs ConvertMyUnits

The clearest difference is in-app purchases: BMS Master at none against ConvertMyUnits's 3. BMS Master also leads on ads (none vs shown) and iOS requirement (13.0 vs 26.0). On price and device support there is nothing between them.

Both are free to download. ConvertMyUnits sells 3 in-app purchases, starting at $0.99 per month. BMS Master asks for nothing beyond the download.

## The numbers

| Metric | BMS Master | ConvertMyUnits |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/convertmyunits-unit-converter/id6774023115/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | — | Every 3 days |
| Monetization | — | Free with in-app purchases |
| Size | 13 MB | 33 MB |
| Requires iOS | **13.0** | 26.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Lanke Xuntong Technology Co., Ltd.](https://appshunter.io/developer/640898259) | [South Bay Compute, LLC](https://appshunter.io/developer/1525888535) |

## What reviewers say

### BMS Master

[App page](https://appshunter.io/ios/app/bms-master/id6475700561)

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

**In-app purchases:** none


### ConvertMyUnits

[App page](https://appshunter.io/ios/app/convertmyunits-unit-converter/id6774023115)

This app provides instant unit conversions for a wide range of everyday measurements. Results update live as you type, making comparisons quick and easy. It works offline and offers features like copying, sharing, and recent conversions.

**Highlights:** Offline functionality, Live conversions while typing, Supports numerous measurement categories, Swap units instantly, Copy, paste, and share values, Recent conversions history, Light and dark mode

**Features:** Vision Pro support, iPhone Duo support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ConvertMyUnits Plus | $0.99 | per month |
| ConvertMyUnits Plus | $1.99 | per 3 months |
| ConvertMyUnits Plus | $2.99 | per 6 months |


## Frequently asked questions

### Is BMS Master free?

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

### Is ConvertMyUnits free?

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

### Do BMS Master or ConvertMyUnits have ads?

ConvertMyUnits shows ads; BMS Master does not.

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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.*