# Ebbinghaus vs Cluedup.ai

The clearest difference is update cadence: Cluedup.ai at every 3 weeks against Ebbinghaus's every 15 months. Cluedup.ai also leads on device support (4 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

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

Ebbinghaus ships an update every 15 months, Cluedup.ai every 3 weeks. The most recent releases landed on October 30, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Ebbinghaus | Cluedup.ai |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (14 ratings)](https://appshunter.io/ios/app/ebbinghaus/id6450792114/reviews)** | — |
| Number of ratings | **14** | — |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 15 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 16 MB | 4 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Joseph Malam](https://appshunter.io/developer/628233851) | [Cluedup.ai](https://appshunter.io/developer/1787121497) |

## What reviewers say

### Ebbinghaus

[App page](https://appshunter.io/ios/app/ebbinghaus/id6450792114)

This app uses spaced repetition to help you remember information more effectively. Create custom flashcard decks for any subject and let the app intelligently schedule your review sessions based on scientific principles. It offers a distraction-free interface, progress tracking, and optional reminders.

**Highlights:** Spaced repetition scheduling, Customizable flashcard decks, Distraction-free design, Progress tracking chart, Smart review reminders, Dark mode support

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

**In-app purchases:** none


### Cluedup.ai

[App page](https://appshunter.io/ios/app/cluedupai/id6739805701)

**Features:** Safari Extension, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Ebbinghaus free?

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

### Is Cluedup.ai free?

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

### Do Ebbinghaus or Cluedup.ai have ads?

Neither Ebbinghaus nor Cluedup.ai shows ads.

### Which is updated more often, Ebbinghaus or Cluedup.ai?

Ebbinghaus ships an update every 15 months, and Cluedup.ai every 3 weeks. Most recently, Ebbinghaus was updated on October 30, 2026 and Cluedup.ai on October 25, 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.*