# Convert vs CONVERT UNITS

The clearest difference is in-app purchases: CONVERT UNITS at none against Convert's 2. CONVERT UNITS also leads on ratings volume (1.4K vs 127) and update cadence (every 6 weeks vs every 3 months). Convert's advantage is iOS requirement (12.0 vs 15.0). On price, rating, review sentiment and ads there is nothing between them.

Both are free to download. Convert sells 2 in-app purchases, starting at $0.99 per 6 months. CONVERT UNITS asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.7 for Convert against 4.7 for CONVERT UNITS. That said, the two scores are not equally well evidenced: CONVERT UNITS has 1.4K ratings behind it against 127, so its average is the more settled of the two. Written reviews are what separate them: 70% of Convert's written reviews are positive against 75% of CONVERT UNITS's.

Convert ships an update every 3 months, CONVERT UNITS every 6 weeks. The most recent releases landed on September 24, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Convert | CONVERT UNITS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (127 ratings)](https://appshunter.io/ios/app/convert-unit-and-currency/id884044389/reviews) | [4.7 (1.4K ratings)](https://appshunter.io/ios/app/convert-units/id1114969241/reviews) |
| Number of ratings | 127 | **1.4K** |
| Positive reviews | 69.8% of reviews | **75.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 3 months | **Every 6 weeks** |
| Monetization | Freemium | **Ad-supported** |
| Size | 39 MB | 21 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | +4 |
| Developer | [Raphael Odermatt](https://appshunter.io/developer/403027529) | [Adysseus](https://appshunter.io/developer/447444997) |

## What reviewers say

### Convert

[App page](https://appshunter.io/ios/app/convert-unit-and-currency/id884044389)

Easily convert hundreds of physical units and dimensions with this powerful tool. It also includes a currency converter with daily updated exchange rates for over 130 countries and is available on Apple Watch.

**Highlights:** Unit conversion for 398 units, Currency conversion with daily rates, Integrated calculator, Apple Watch support, History charts for currencies, Copy & Paste functionality

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Advanced Features | $0.99 | per 6 months |
| Advanced Features | $1.99 | one-time |


### CONVERT UNITS

[App page](https://appshunter.io/ios/app/convert-units/id1114969241)

Easily convert between various units of measurement including length, weight, temperature, and currency. Features automatic currency updates, a vast selection of currencies, and customizable display options for accuracy and rounding. Optimized for multitasking on iPad and offers a beautiful dark design.

**Highlights:** Converts length, weight, speed, area, time, pressure, volume, power, fuel, temperature, data, and currency, Automatic currency updates, 160 currencies available, Multitasking enabled for iPad, Alphabetical quick links for units, Customizable startup categories, Adjustable accuracy and rounding

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

**In-app purchases:** none

**What reviewers like**

- 👍 Quick & easy to use
- 👍 Ease of use
- 👍 Simple and easy to use
- 👍 Well thought out and easy to use
- 👍 Excellent and very reliable

**What reviewers complain about**

- 🐛 Ads obstruct use
- 🐛 Subscription required to remove ads
- 🐛 Currency conversion not working

**Reported bugs**

- App got stuck, required uninstall/reinstall to fix
- Navigation issues, unable to get back to home page

**Requested features**

- Option to convert between functions (length to volume)
- Remember last conversion settings for each category


## Frequently asked questions

### Is Convert free?

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

### Is CONVERT UNITS free?

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

### Which has better reviews, Convert or CONVERT UNITS?

Convert and CONVERT UNITS are both rated 4.7 out of 5 on the App Store, from 127 and 1.4K ratings respectively.

### Do Convert or CONVERT UNITS have ads?

Both Convert and CONVERT UNITS show ads.

### Which is updated more often, Convert or CONVERT UNITS?

Convert ships an update every 3 months, and CONVERT UNITS every 6 weeks. Most recently, Convert was updated on September 24, 2026 and CONVERT UNITS on September 21, 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.*