# Scaffold Academy vs CBTD

The clearest difference is iOS requirement: CBTD at 15.6 against Scaffold Academy's 18.1. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Scaffold Academy ships an update weekly, CBTD fortnightly. The most recent releases landed on September 11, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Scaffold Academy | CBTD |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Fortnightly |
| Size | 179 MB | 13 MB |
| Requires iOS | 18.1 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | +17 |
| Developer | [Scaffold Education](https://appshunter.io/developer/1445578799) | [Abtd Associacao Brasileira de Treinamento](https://appshunter.io/developer/1440259118) |

## What reviewers say

### Scaffold Academy

[App page](https://appshunter.io/ios/app/scaffold-academy/id6547832347)

**In-app purchases:** none


### CBTD

[App page](https://appshunter.io/ios/app/cbtd/id6759922432)

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

**In-app purchases:** none


## Frequently asked questions

### Is Scaffold Academy free?

Scaffold Academy is free to download, with no in-app purchases.

### Is CBTD free?

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

### Do Scaffold Academy or CBTD have ads?

Neither Scaffold Academy nor CBTD shows ads.

### Which is updated more often, Scaffold Academy or CBTD?

Scaffold Academy ships an update weekly, and CBTD fortnightly. Most recently, Scaffold Academy was updated on September 11, 2026 and CBTD on September 9, 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.*