# ChatSkills vs CBTD

The clearest difference is in-app purchases: CBTD at none against ChatSkills's 4. ChatSkills's advantage is iOS requirement (13.0 vs 15.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. ChatSkills sells 4 in-app purchases, starting at $7.99 per month. CBTD asks for nothing beyond the download.

ChatSkills ships an update weekly, CBTD fortnightly. Both last shipped on September 9, 2026.

## The numbers

| Metric | ChatSkills | CBTD |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Fortnightly |
| Size | 81 MB | 13 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | +17 |
| Developer | [Herber Jackson](https://appshunter.io/developer/1797081462) | [Abtd Associacao Brasileira de Treinamento](https://appshunter.io/developer/1440259118) |

## What reviewers say

### ChatSkills

[App page](https://appshunter.io/ios/app/chatskills/id6742148922)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $7.99 | per month |
| 500 thousand tokens | $0.99 | one-time |
| 2 million tokens | $1.99 | one-time |
| 1 million tokens | $1.99 | one-time |


### CBTD

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

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

**In-app purchases:** none


## Frequently asked questions

### Is ChatSkills free?

ChatSkills is free to download, with in-app purchases available.

### Is CBTD free?

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

### Do ChatSkills or CBTD have ads?

Neither ChatSkills nor CBTD shows ads.

### Which is updated more often, ChatSkills or CBTD?

ChatSkills ships an update weekly, and CBTD fortnightly. Most recently, ChatSkills was updated on September 9, 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.*