# All Unit Conversion vs Conversions

The clearest difference is review sentiment: Conversions at 100% against All Unit Conversion's 50%. Conversions also leads on rating (5.0 vs 4.6) and update cadence (every 2 weeks vs every 2 months). All Unit Conversion's advantage is ratings volume (17 vs 2) and iOS requirement (16.6 vs 18.6). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Conversions holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: All Unit Conversion has 17 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 50% of All Unit Conversion's written reviews are positive against 100% of Conversions's.

All Unit Conversion ships an update every 2 months, Conversions every 2 weeks. The most recent releases landed on September 13, 2026 and August 17, 2026 respectively.

## The numbers

| Metric | All Unit Conversion | Conversions |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (17 ratings)](https://appshunter.io/ios/app/all-unit-conversion/id1418597453/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/conversions-unit-converter/id6741049598/reviews)** |
| Number of ratings | **17** | 2 |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 22 MB | 3 MB |
| Requires iOS | **16.6** | 18.6 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Tiago Do Couto](https://appshunter.io/developer/1291604717) | [Piotr Bakker](https://appshunter.io/developer/1741809059) |

## What reviewers say

### All Unit Conversion

[App page](https://appshunter.io/ios/app/all-unit-conversion/id1418597453)

Easily convert between various units of measurement with this free utility app. It supports conversions for length, area, volume, mass, time, digital storage, energy, and currency.

**Highlights:** Length conversion, Area conversion, Volume conversion, Mass conversion, Time conversion, Currency conversion

**Features:** macOS Compatibility

**In-app purchases:** none


### Conversions

[App page](https://appshunter.io/ios/app/conversions-unit-converter/id6741049598)

Easily convert over 100 units across various categories like temperature, length, and weight. View conversion formulas, copy results, and share them directly. Enjoy a private, ad-free experience with a native iOS design.

**Highlights:** Convert 100+ units, Temperature, length, weight conversions, View conversion formulas, Copy and share conversions, Native iOS design, Ad-free experience

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

**In-app purchases:** none


## Frequently asked questions

### Is All Unit Conversion free?

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

### Is Conversions free?

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

### Which has better reviews, All Unit Conversion or Conversions?

Conversions is rated higher. All Unit Conversion averages 4.6 out of 5 from 17 ratings, while Conversions averages 5.0 from 2 ratings.

### Do All Unit Conversion or Conversions have ads?

Neither All Unit Conversion nor Conversions shows ads.

### Which is updated more often, All Unit Conversion or Conversions?

All Unit Conversion ships an update every 2 months, and Conversions every 2 weeks. Most recently, All Unit Conversion was updated on September 13, 2026 and Conversions on August 17, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*