# Pass BTT vs Basic Theory Test SG

The clearest difference is in-app purchases: Pass BTT at none against Basic Theory Test SG's 1. Pass BTT also leads on iOS requirement (8.0 vs 13.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Basic Theory Test SG sells 1 in-app purchase, starting at $4.99 per month. Pass BTT asks for nothing beyond the download.

Pass BTT ships an update weekly, Basic Theory Test SG every 10 days. The most recent releases landed on September 28, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Pass BTT | Basic Theory Test SG |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 10 days |
| Size | 40 MB | 61 MB |
| Requires iOS | **8.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [KIn Wa Lin](https://appshunter.io/developer/1452963546) | [osman rmak](https://appshunter.io/developer/1890153069) |

## What reviewers say

### Pass BTT

[App page](https://appshunter.io/ios/app/pass-btt-sg-basic-theory-test/id1453371013)

**Features:** macOS Compatibility

**In-app purchases:** none


### Basic Theory Test SG

[App page](https://appshunter.io/ios/app/basic-theory-test-sg-btt-ftt/id6761528034)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Access | $4.99 | per month |


## Frequently asked questions

### Is Pass BTT free?

Pass BTT is free to download, with no in-app purchases.

### Is Basic Theory Test SG free?

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

### Do Pass BTT or Basic Theory Test SG have ads?

Neither Pass BTT nor Basic Theory Test SG shows ads.

### Which is updated more often, Pass BTT or Basic Theory Test SG?

Pass BTT ships an update weekly, and Basic Theory Test SG every 10 days. Most recently, Pass BTT was updated on September 28, 2026 and Basic Theory Test SG on October 1, 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.*