# BTT Lah! vs Driving Test

The clearest difference is in-app purchases: Driving Test at none against BTT Lah!'s 4. Driving Test also leads on update cadence (weekly vs fortnightly). BTT Lah!'s advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. BTT Lah! sells 4 one-off in-app purchases. Driving Test asks for nothing beyond the download.

BTT Lah! ships an update fortnightly, Driving Test weekly. Both last shipped on October 2, 2026.

## The numbers

| Metric | BTT Lah! | Driving Test |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Fortnightly | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 17 MB | 32 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Appsaur.com Pte Ltd](https://appshunter.io/developer/1471583826) | [KIn Wa Lin](https://appshunter.io/developer/1452963546) |

## 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 |


### Driving Test

[App page](https://appshunter.io/ios/app/driving-test-theory-prep/id6748702937)

**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 Driving Test free?

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

### Do BTT Lah! or Driving Test have ads?

Driving Test shows ads; BTT Lah! does not.

### Which is updated more often, BTT Lah! or Driving Test?

BTT Lah! ships an update fortnightly, and Driving Test weekly. Most recently, BTT Lah! was updated on October 2, 2026 and Driving Test on October 2, 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.*