# Nudge Learning App vs Chameleon Project

The clearest difference is ads: Chameleon Project at none against Nudge Learning App's shown. Nudge Learning App's advantage is iOS requirement (13.0 vs 15.0). On price, update cadence, 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.

Nudge Learning App ships an update every 7 months, Chameleon Project every 4 months. The most recent releases landed on October 10, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Nudge Learning App | Chameleon Project |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 7 months | **Every 4 months** |
| Size | 58 MB | 302 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Trade Academy LLC](https://appshunter.io/developer/1647233586) | [Smarted srl](https://appshunter.io/developer/1740698356) |

## What reviewers say

### Nudge Learning App

[App page](https://appshunter.io/ios/app/nudge-learning-app/id6443568291)

**Features:** macOS Compatibility

**In-app purchases:** none


### Chameleon Project

[App page](https://appshunter.io/ios/app/chameleon-project/id6752927956)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Nudge Learning App free?

Nudge Learning App is free to download, with no in-app purchases.

### Is Chameleon Project free?

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

### Do Nudge Learning App or Chameleon Project have ads?

Nudge Learning App shows ads; Chameleon Project does not.

### Which is updated more often, Nudge Learning App or Chameleon Project?

Nudge Learning App ships an update every 7 months, and Chameleon Project every 4 months. Most recently, Nudge Learning App was updated on October 10, 2026 and Chameleon Project on October 11, 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.*