# BTT Lah! vs AAT

The clearest difference is price: BTT Lah! at Free against AAT's $0.49. AAT's advantage is in-app purchases (none vs 4). On ads, device support and iOS requirement there is nothing between them.

BTT Lah! is free to download; AAT costs $0.49 up front. BTT Lah! sells 4 one-off in-app purchases. AAT asks for nothing beyond the download.

## The numbers

| Metric | BTT Lah! | AAT |
| --- | --- | --- |
| Price | **Free** | $0.49 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | — |
| Monetization | Free with in-app purchases | — |
| Size | 17 MB | 312 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Appsaur.com Pte Ltd](https://appshunter.io/developer/1471583826) | [ATOMAXR Pte Ltd](https://appshunter.io/developer/1611166305) |

## What reviewers say

### BTT Lah!

[App page](https://appshunter.io/ios/app/btt-lah-basic-theory-test/id1493701248)

This app helps you prepare for your driving theory test with features designed to reduce eye strain and optimize learning. It uses smart algorithms to focus on your weak areas and reinforces learning through automated repetition and progress tracking.

**Highlights:** Reduced eye strain design, Adaptive question inflow, Automated short-term memory rehearsal, Detailed result analysis, Progress monitoring charts, Timed e-trial tests, Question and answer shuffling

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 600 BTT Questions All language | $12.99 | one-time |
| 600 BTT Questions All language | $24.99 | one-time |
| ProEnglish600Question | $28.99 | one-time |
| ProALLLanguages600Questions | $54.99 | one-time |


### AAT

[App page](https://appshunter.io/ios/app/aat-mhe-mewp-ar-practice/id6446443401)

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

**In-app purchases:** none


## Frequently asked questions

### Is BTT Lah! free?

BTT Lah! is free to download, with in-app purchases available.

### Is AAT free?

AAT costs $0.49, with no in-app purchases.

### Do BTT Lah! or AAT have ads?

Neither BTT Lah! nor AAT shows ads.

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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.*