# CONVERT UNITS vs Converter AM

The clearest difference is ads: Converter AM at none against CONVERT UNITS's shown. Converter AM also leads on device support (5 vs 3). CONVERT UNITS's advantage is monetization model (ad-supported vs free with in-app purchases) and update cadence (weekly vs every 2 weeks). On price, rating, ratings volume and in-app purchases there is nothing between them.

Both are free to download. CONVERT UNITS sells 2 in-app purchases, starting at $0.99 per month and Converter AM sells 3 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.7 for CONVERT UNITS against 4.7 for Converter AM. Both are backed by a comparable volume of ratings — 1.4K and 516 respectively. Written reviews are what separate them: 76% of CONVERT UNITS's written reviews are positive against 67% of Converter AM's.

CONVERT UNITS ships an update weekly, Converter AM every 2 weeks. The most recent releases landed on October 20, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | CONVERT UNITS | Converter AM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (1.4K ratings)](https://appshunter.io/ios/app/convert-units/id1114969241/reviews)** | [4.7 (516 ratings)](https://appshunter.io/ios/app/converter-am/id1450259074/reviews) |
| Number of ratings | **1.4K** | 516 |
| Positive reviews | **75.8% of reviews** | 66.7% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Every 2 weeks |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 22 MB | 3 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Adysseus](https://appshunter.io/developer/447444997) | [Andreas Maier](https://appshunter.io/developer/454364359) |

## What reviewers say

### 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 (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ads | $0.99 | per month |
| Remove ads | $19.99 | one-time |

**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


### Converter AM

[App page](https://appshunter.io/ios/app/converter-am/id1450259074)

This app converts units and currencies with a focus on simple user guidance. It allows for real-time conversion as you type and can also function as a basic calculator. The interface is designed to remain uncomplicated even with future optimizations.

**Highlights:** Real-time unit conversion, Currency conversion, Basic arithmetic calculator, Customizable units, Simple user interface

**Features:** Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $0.99 | per month |
| Yearly | $4.99 | per year |
| Premium version without ads | $9.99 | one-time |

**What reviewers like**

- 👍 Free and brilliant app
- 👍 Works the way it should
- 👍 Easy to use
- 👍 Handy on mobile
- 👍 Great for various unit equivalences

**What reviewers complain about**

- 😠 Forced to watch obnoxious ads
- 😠 App freezes on ads
- 😠 Ads are intrusive
- 😠 Paid for ad-free, but ads returned
- 😠 Forced purchase of ad-free

**Reported bugs**

- App freezes on ads and cannot be closed
- Ads returned after purchasing ad-free version

**Requested features**

- Remember previously used units
- Support for kilos to stones and pounds conversion


## Frequently asked questions

### Is CONVERT UNITS free?

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

### Is Converter AM free?

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

### Which has better reviews, CONVERT UNITS or Converter AM?

CONVERT UNITS is rated higher. CONVERT UNITS averages 4.7 out of 5 from 1.4K ratings, while Converter AM averages 4.7 from 516 ratings.

### Do CONVERT UNITS or Converter AM have ads?

CONVERT UNITS shows ads; Converter AM does not.

### Which is updated more often, CONVERT UNITS or Converter AM?

CONVERT UNITS ships an update weekly, and Converter AM every 2 weeks. Most recently, CONVERT UNITS was updated on October 20, 2026 and Converter AM on October 22, 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.*