# Theory Test vs BTT Lah!

The clearest difference is review sentiment: Theory Test at 53% against BTT Lah!'s 0%. Theory Test also leads on monetization model (free vs free with in-app purchases). BTT Lah!'s advantage is update cadence (fortnightly vs monthly). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Theory Test sells 1 one-off in-app purchase and BTT Lah! sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Theory Test ships an update monthly, BTT Lah! fortnightly. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Theory Test | BTT Lah! |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/theory-test-btt-ftt-and-rtt/id348705248/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | **52.9% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Fortnightly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 164 MB | 17 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Webrich Software Limited](https://appshunter.io/developer/290203591) | [Appsaur.com Pte Ltd](https://appshunter.io/developer/1471583826) |

## What reviewers say

### Theory Test

[App page](https://appshunter.io/ios/app/theory-test-btt-ftt-and-rtt/id348705248)

Prepare for Singapore's driving theory tests with practice questions and official handbooks. Covers Basic, Final, and Riding Theory Tests in multiple languages. Includes explanations and mock tests to track progress.

**Highlights:** 1,725 practice questions, Official handbooks included, Supports BTT, FTT, and RTT, Available in English, Chinese, Malay, Tamil, Detailed explanations for answers, Mock tests in official format, Progress tracking

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Question Bank | $6.99 | one-time |


### 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 |


## Frequently asked questions

### Is Theory Test free?

Theory Test is free to download, with in-app purchases available.

### Is BTT Lah! free?

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

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

Neither Theory Test nor BTT Lah! shows ads.

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

Theory Test ships an update monthly, and BTT Lah! fortnightly. Most recently, Theory Test was updated on November 6, 2026 and BTT Lah! on November 3, 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.*