# BTT Lah! vs Grow Studio

The clearest difference is in-app purchases: Grow Studio at none against BTT Lah!'s 4. On price, update cadence, ads and device support there is nothing between them.

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

BTT Lah! ships an update fortnightly, Grow Studio every 2 weeks. The most recent releases landed on June 8, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | BTT Lah! | Grow Studio |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 2 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 17 MB | 38 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Appsaur.com Pte Ltd](https://appshunter.io/developer/1471583826) | [SuperInk](https://appshunter.io/developer/1630108477) |

## 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 |


### Grow Studio

[App page](https://appshunter.io/ios/app/grow-studio/id1614976702)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is BTT Lah! free?

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

### Is Grow Studio free?

Grow Studio is free to download, with no in-app purchases.

### Do BTT Lah! or Grow Studio have ads?

Neither BTT Lah! nor Grow Studio shows ads.

### Which is updated more often, BTT Lah! or Grow Studio?

BTT Lah! ships an update fortnightly, and Grow Studio every 2 weeks. Most recently, BTT Lah! was updated on June 8, 2026 and Grow Studio on September 19, 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.*