# Basic Theory Test Lite vs BTT 123 SG (Basic Theory)

The clearest difference is review sentiment: Basic Theory Test Lite at 53% against BTT 123 SG (Basic Theory)'s 0%. Basic Theory Test Lite also leads on price (Free vs $0.99) and rating (4.0 vs 2.3). BTT 123 SG (Basic Theory)'s advantage is in-app purchases (none vs 1) and ratings volume (3 vs 1). On ads and device support there is nothing between them.

Basic Theory Test Lite is free to download; BTT 123 SG (Basic Theory) costs $0.99 up front. Basic Theory Test Lite sells 1 one-off in-app purchase. BTT 123 SG (Basic Theory) asks for nothing beyond the download.

Basic Theory Test Lite holds the better App Store score, 4.0 against 2.3. Both are backed by a comparable volume of ratings — 1 and 3 respectively. Written reviews point the same way: 53% of Basic Theory Test Lite's written reviews are positive against 0% of BTT 123 SG (Basic Theory)'s.

Basic Theory Test Lite ships an update every 6 weeks, BTT 123 SG (Basic Theory) every 8 months. The most recent releases landed on July 16, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Basic Theory Test Lite | BTT 123 SG (Basic Theory) |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/basic-theory-test-lite/id348705248/reviews)** | [2.3 (3 ratings)](https://appshunter.io/ios/app/btt-123-sg-basic-theory/id1140305786/reviews) |
| Number of ratings | 1 | **3** |
| Positive reviews | **52.9% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 8 months |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 14 MB | 41 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Webrich Software Limited](https://appshunter.io/developer/290203591) | [APPTREME STUDIO](https://appshunter.io/developer/392439070) |

## What reviewers say

### Basic Theory Test Lite

[App page](https://appshunter.io/ios/app/basic-theory-test-lite/id348705248)

Prepare for your Singapore driving license theory test with a simulated exam. This app offers interactive practice questions covering road rules, signs, and car controls, providing immediate feedback to help you pass.

**Highlights:** Simulated mock tests, 300 practice questions, Covers road rules and signs, Immediate feedback, Interactive learning, Covers car parts and controls

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Question Bank | $2.99 | one-time |


### BTT 123 SG (Basic Theory)

[App page](https://appshunter.io/ios/app/btt-123-sg-basic-theory/id1140305786)

Prepare for your Singapore driving Basic Theory Test with flashcards, practice questions, and a simulator. Track your progress and get reminders for your test date. Learn at your own pace without expensive driving center programs.

**Highlights:** Flashcards for road signs, Hundreds of practice questions, Test simulator, Test date reminders, Saved test history, Offline functionality

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

**In-app purchases:** none


## Frequently asked questions

### Is Basic Theory Test Lite free?

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

### Is BTT 123 SG (Basic Theory) free?

BTT 123 SG (Basic Theory) costs $0.99, with no in-app purchases.

### Which has better reviews, Basic Theory Test Lite or BTT 123 SG (Basic Theory)?

Basic Theory Test Lite is rated higher. Basic Theory Test Lite averages 4.0 out of 5 from 1 ratings, while BTT 123 SG (Basic Theory) averages 2.3 from 3 ratings.

### Do Basic Theory Test Lite or BTT 123 SG (Basic Theory) have ads?

Neither Basic Theory Test Lite nor BTT 123 SG (Basic Theory) shows ads.

### Which is updated more often, Basic Theory Test Lite or BTT 123 SG (Basic Theory)?

Basic Theory Test Lite ships an update every 6 weeks, and BTT 123 SG (Basic Theory) every 8 months. Most recently, Basic Theory Test Lite was updated on July 16, 2026 and BTT 123 SG (Basic Theory) on September 10, 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.*