# Converter AM vs SIM Driver

The clearest difference is in-app purchases: SIM Driver at none against Converter AM's 3. SIM Driver also leads on iOS requirement (13.0 vs 15.0). Converter AM's advantage is update cadence (every 2 weeks vs every 3 months) and device support (5 vs 3). On price and ads there is nothing between them.

Both are free to download. Converter AM sells 3 in-app purchases, starting at $0.99 per month. SIM Driver asks for nothing beyond the download.

Converter AM ships an update every 2 weeks, SIM Driver every 3 months. The most recent releases landed on October 15, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | Converter AM | SIM Driver |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (516 ratings)](https://appshunter.io/ios/app/converter-am/id1450259074/reviews)** | — |
| Number of ratings | **516** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 months |
| Monetization | Free with in-app purchases | — |
| Size | 3 MB | 20 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | **iPhone, iPad, iPod, Mac, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Andreas Maier](https://appshunter.io/developer/454364359) | [13665208 Canada Inc](https://appshunter.io/developer/1641352331) |

## What reviewers say

### 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


### SIM Driver

[App page](https://appshunter.io/ios/app/sim-driver/id6443496788)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Converter AM free?

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

### Is SIM Driver free?

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

### Do Converter AM or SIM Driver have ads?

Neither Converter AM nor SIM Driver shows ads.

### Which is updated more often, Converter AM or SIM Driver?

Converter AM ships an update every 2 weeks, and SIM Driver every 3 months. Most recently, Converter AM was updated on October 15, 2026 and SIM Driver on September 28, 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.*