# Cardoo vs Erudity

The clearest difference is ads: Erudity at none against Cardoo's shown. Cardoo's advantage is update cadence (daily vs every 3 weeks). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Cardoo sells 2 in-app purchases, starting at $3.99 per 7 days and Erudity sells 2 in-app purchases, starting at $8.99 per month. Whichever you choose, the download price is not the number that matters.

Cardoo ships an update daily, Erudity every 3 weeks. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Cardoo | Erudity |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (4 ratings)](https://appshunter.io/ios/app/erudity-daily-micro-learning/id6758961347/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Daily** | Every 3 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 59 MB | 47 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [DAVID GLAUBER DE GUSMAO CERQUEIRA LIMA 12292099489](https://appshunter.io/developer/1822826650) | [ERUDITY LTD](https://appshunter.io/developer/1876015763) |

## What reviewers say

### Cardoo

[App page](https://appshunter.io/ios/app/cardoo-study-flashcards/id6747777545)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DooPlus: Weekly | $3.99 | per 7 days |
| DooPlus | $41.99 | per year |


### Erudity

[App page](https://appshunter.io/ios/app/erudity-daily-micro-learning/id6758961347)

This app generates personalized courses on any topic you're curious about, breaking down complex subjects into easy-to-digest, swipeable cards. Explore topics at your own pace, dive deeper into specific areas, and track your learning progress with personalized milestones.

**Highlights:** AI-generated courses on any topic, Swipeable card format for learning, Deep Dive feature for detailed information, Progress tracking and milestones, Adjustable learning levels (Beginner, Intermediate, Expert), Bookmark and build learning libraries

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Erudity - Monthly Subscription | $8.99 | per month |
| Erudity - Yearly Subscription | $69.99 | per year |


## Frequently asked questions

### Is Cardoo free?

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

### Is Erudity free?

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

### Do Cardoo or Erudity have ads?

Cardoo shows ads; Erudity does not.

### Which is updated more often, Cardoo or Erudity?

Cardoo ships an update daily, and Erudity every 3 weeks. Most recently, Cardoo was updated on November 5, 2026 and Erudity on October 31, 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.*