# BTT 123 SG (Basic Theory) vs FTT Lah!

The clearest difference is price: FTT Lah! at Free against BTT 123 SG (Basic Theory)'s $0.99. FTT Lah! also leads on iOS requirement (15.0 vs 17.6). BTT 123 SG (Basic Theory)'s advantage is in-app purchases (none vs 2). On update cadence, ads and device support there is nothing between them.

FTT Lah! is free to download; BTT 123 SG (Basic Theory) costs $0.99 up front. FTT Lah! sells 2 one-off in-app purchases. BTT 123 SG (Basic Theory) asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 8 months. The most recent releases landed on October 29, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | BTT 123 SG (Basic Theory) | FTT Lah! |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[2.3 (3 ratings)](https://appshunter.io/ios/app/btt-123-sg-basic-theory/id1140305786/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 8 months | Every 8 months |
| Monetization | Paid | — |
| Size | 41 MB | 17 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | +4 | 4+ |
| Developer | [APPTREME STUDIO](https://appshunter.io/developer/392439070) | [Appsaur.com Pte Ltd](https://appshunter.io/developer/1471583826) |

## What reviewers say

### 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


### FTT Lah!

[App page](https://appshunter.io/ios/app/ftt-lah-final-theory-test/id1631564478)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 600 FTT Questions All language | $12.99 | one-time |
| 600 FTT Questions All language | $24.99 | one-time |


## Frequently asked questions

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

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

### Is FTT Lah! free?

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

### Do BTT 123 SG (Basic Theory) or FTT Lah! have ads?

Neither BTT 123 SG (Basic Theory) nor FTT Lah! shows ads.

### Which is updated more often, BTT 123 SG (Basic Theory) or FTT Lah!?

BTT 123 SG (Basic Theory) ships an update every 8 months, and FTT Lah! every 8 months. Most recently, BTT 123 SG (Basic Theory) was updated on October 29, 2026 and FTT Lah! on October 27, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*