# Know Virtual Production vs Ebbinghaus

The clearest difference is update cadence: Know Virtual Production at fortnightly against Ebbinghaus's every 15 months. Know Virtual Production also leads on device support (3 vs 1) and iOS requirement (13.2 vs 16.0). On price, ads and in-app purchases there is nothing between them.

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

Know Virtual Production ships an update fortnightly, Ebbinghaus every 15 months. The most recent releases landed on November 26, 2025 and October 24, 2026 respectively.

## The numbers

| Metric | Know Virtual Production | Ebbinghaus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (13 ratings)](https://appshunter.io/ios/app/ebbinghaus/id6450792114/reviews)** |
| Number of ratings | — | **13** |
| Positive reviews | — | 75.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 15 months |
| Monetization | — | Free |
| Size | 38 MB | 16 MB |
| Requires iOS | **13.2** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Feed Your Elephant Limited](https://appshunter.io/developer/1356107396) | [Joseph Malam](https://appshunter.io/developer/628233851) |

## What reviewers say

### Know Virtual Production

[App page](https://appshunter.io/ios/app/know-virtual-production/id1612810166)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Know Virtual Production free?

Know Virtual Production is free to download, with no in-app purchases.

### Is Ebbinghaus free?

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

### Do Know Virtual Production or Ebbinghaus have ads?

Neither Know Virtual Production nor Ebbinghaus shows ads.

### Which is updated more often, Know Virtual Production or Ebbinghaus?

Know Virtual Production ships an update fortnightly, and Ebbinghaus every 15 months. Most recently, Know Virtual Production was updated on November 26, 2025 and Ebbinghaus on October 24, 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.*