# ProGraph Calculator vs ConvertMyUnits

The clearest difference is update cadence: ConvertMyUnits at every 3 days against ProGraph Calculator's every 3 months. ProGraph Calculator's advantage is iOS requirement (16.0 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ProGraph Calculator ships an update every 3 months, ConvertMyUnits every 3 days. The most recent releases landed on October 25, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | ProGraph Calculator | 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 | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 days** |
| Monetization | — | Free |
| Size | 1 MB | 21 MB |
| Requires iOS | **16.0** | 26.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Michael Pingleton](https://appshunter.io/developer/1584719976) | [South Bay Compute, LLC](https://appshunter.io/developer/1525888535) |

## What reviewers say

### ProGraph Calculator

[App page](https://appshunter.io/ios/app/prograph-calculator/id1629338359)

**Features:** macOS Compatibility

**In-app purchases:** none


### ConvertMyUnits

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

This utility app provides instant unit conversions for a wide range of everyday measurements. It offers live results as you type, works offline, and supports various categories like length, mass, and temperature. Easily copy, share, and manage your conversions with a clean interface.

**Highlights:** Offline functionality, Live conversions while typing, Supports numerous unit categories, Instant unit swapping, Copy, paste, and share results, Light and dark mode support

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is ProGraph Calculator free?

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

### Is ConvertMyUnits free?

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

### Do ProGraph Calculator or ConvertMyUnits have ads?

Neither ProGraph Calculator nor ConvertMyUnits shows ads.

### Which is updated more often, ProGraph Calculator or ConvertMyUnits?

ProGraph Calculator ships an update every 3 months, and ConvertMyUnits every 3 days. Most recently, ProGraph Calculator was updated on October 25, 2026 and ConvertMyUnits 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.*