# Another Turing Machine Lite vs LM

The clearest difference is in-app purchases: LM at none against Another Turing Machine Lite's 5. LM also leads on ads (none vs shown). Another Turing Machine Lite's advantage is update cadence (every 2 days vs every 3 weeks). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Another Turing Machine Lite sells 5 one-off in-app purchases. LM asks for nothing beyond the download.

Another Turing Machine Lite ships an update every 2 days, LM every 3 weeks. Both last shipped on October 28, 2026.

## The numbers

| Metric | Another Turing Machine Lite | LM |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 2 days** | Every 3 weeks |
| Size | 4 MB | 27 MB |
| Requires iOS | 18.2 | **17.4** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | +17 | 4+ |
| Developer | [Stefan JOSTEN](https://appshunter.io/developer/949662361) | [ADAM NICHOLAS PERRY](https://appshunter.io/developer/6774764004) |

## What reviewers say

### Another Turing Machine Lite

[App page](https://appshunter.io/ios/app/another-turing-machine-lite/id6742148023)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Disable Ads | $0.99 | one-time |
| Program Sharing | $0.99 | one-time |
| PDF Report | $0.99 | one-time |
| Buy Me a Coffee | $0.99 | one-time |
| Multiple Tapes | $0.99 | one-time |


### LM

[App page](https://appshunter.io/ios/app/lm-amino-acids/id6774764002)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Another Turing Machine Lite free?

Another Turing Machine Lite is free to download, with in-app purchases available.

### Is LM free?

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

### Do Another Turing Machine Lite or LM have ads?

Another Turing Machine Lite shows ads; LM does not.

### Which is updated more often, Another Turing Machine Lite or LM?

Another Turing Machine Lite ships an update every 2 days, and LM every 3 weeks. Most recently, Another Turing Machine Lite was updated on October 28, 2026 and LM on October 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.*