# ConvertMyUnits vs Worthless Controls

The clearest difference is rating: ConvertMyUnits at 5.0 against Worthless Controls's 4.2. Worthless Controls's advantage is in-app purchases (none vs 3) and ads (none vs shown). On price, update cadence, monetization model 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. Worthless Controls asks for nothing beyond the download.

ConvertMyUnits holds the better App Store score, 5.0 against 4.2. That said, the two scores are not equally well evidenced: Worthless Controls has 13 ratings behind it against 1, so its average is the more settled of the two.

ConvertMyUnits ships an update every 3 days, Worthless Controls every 4 days. Both last shipped on November 10, 2026.

## The numbers

| Metric | ConvertMyUnits | Worthless Controls |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/convertmyunits-unit-converter/id6774023115/reviews)** | [4.2 (13 ratings)](https://appshunter.io/ios/app/worthless-controls/id6797546239/reviews) |
| Number of ratings | 1 | **13** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 3 days** | Every 4 days |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 33 MB | 63 MB |
| Requires iOS | 26.0 | **15.0** |
| Devices | **iPhone, iPad, Mac** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [South Bay Compute, LLC](https://appshunter.io/developer/1525888535) | [TAYLOR HAYDEN SMYTH](https://appshunter.io/developer/6797546241) |

## What reviewers say

### 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 |


### Worthless Controls

[App page](https://appshunter.io/ios/app/worthless-controls/id6797546239)

This app provides comprehensive tuning and telemetry for electric vehicle motor controllers and battery systems. Connect via Bluetooth to adjust parameters, monitor live data, and record rides for e-motorcycles, scooters, e-bikes, and e-skates.

**Highlights:** Bluetooth connectivity, Full parameter tuning for controllers, Live data dashboards, Battery BMS monitoring, Ride data logging and export, Firmware flashing, Remote controller adjustment

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

**In-app purchases:** none


## Frequently asked questions

### Is ConvertMyUnits free?

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

### Is Worthless Controls free?

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

### Which has better reviews, ConvertMyUnits or Worthless Controls?

ConvertMyUnits is rated higher. ConvertMyUnits averages 5.0 out of 5 from 1 ratings, while Worthless Controls averages 4.2 from 13 ratings.

### Do ConvertMyUnits or Worthless Controls have ads?

ConvertMyUnits shows ads; Worthless Controls does not.

### Which is updated more often, ConvertMyUnits or Worthless Controls?

ConvertMyUnits ships an update every 3 days, and Worthless Controls every 4 days. Most recently, ConvertMyUnits was updated on November 10, 2026 and Worthless Controls on November 10, 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.*