# Pebbles Therapy vs Cognitivebotics

The clearest difference is update cadence: Pebbles Therapy at weekly against Cognitivebotics's every 3 weeks. On price, ads, in-app purchases and device support there is nothing between them.

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

Pebbles Therapy ships an update weekly, Cognitivebotics every 3 weeks. The most recent releases landed on October 1, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Pebbles Therapy | Cognitivebotics |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 3 weeks |
| Size | 122 MB | 259 MB |
| Requires iOS | 15.6 | **15.3** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Dr Geetha S](https://appshunter.io/developer/1697282787) | [Cognitivebotics](https://appshunter.io/developer/1752991971) |

## What reviewers say

### Pebbles Therapy

[App page](https://appshunter.io/ios/app/pebbles-therapy/id6451242193)

**In-app purchases:** none


### Cognitivebotics

[App page](https://appshunter.io/ios/app/cognitivebotics-learning-app/id6504597590)

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

**In-app purchases:** none


## Frequently asked questions

### Is Pebbles Therapy free?

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

### Is Cognitivebotics free?

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

### Do Pebbles Therapy or Cognitivebotics have ads?

Neither Pebbles Therapy nor Cognitivebotics shows ads.

### Which is updated more often, Pebbles Therapy or Cognitivebotics?

Pebbles Therapy ships an update weekly, and Cognitivebotics every 3 weeks. Most recently, Pebbles Therapy was updated on October 1, 2026 and Cognitivebotics on October 4, 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.*