# Space vs Retrieve

The clearest difference is update cadence: Retrieve at every 2 days against Space's weekly. Space's advantage is iOS requirement (16.0 vs 26.5). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Space sells 6 in-app purchases, starting at $4.99 per month and Retrieve sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Space ships an update weekly, Retrieve every 2 days. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Space | Retrieve |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (34 ratings)](https://appshunter.io/ios/app/space-spaced-repetition/id1546202212/reviews)** | — |
| Number of ratings | **34** | — |
| Positive reviews | 77.6% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Every 2 days** |
| Monetization | Freemium | — |
| Size | 143 MB | 5 MB |
| Requires iOS | **16.0** | 26.5 |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Till Friebe](https://appshunter.io/developer/1546202214) | [Blackhook Group LLC](https://appshunter.io/developer/6782197776) |

## What reviewers say

### Space

[App page](https://appshunter.io/ios/app/space-spaced-repetition/id1546202212)

This flashcard app uses spaced repetition to help you remember information effortlessly. It offers AI-powered card creation from various sources, offline access, and community-shared decks. Track your progress and sync across devices for a seamless learning experience.

**Highlights:** Spaced repetition algorithm, AI flashcard generation, Offline access, Community decks, Cross-device sync, Rich card formatting, Progress tracking

**Features:** Vision Pro support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Space Pro | $4.99 | per month |
| Space Pro Annual | $44.99 | per year |
| 1€ Donation | $0.99 | one-time |
| 3€ Donation | $2.99 | one-time |
| Premium Deck | $3.99 | one-time |
| 10€ Donation | $8.99 | one-time |


### Retrieve

[App page](https://appshunter.io/ios/app/retrieve-flashcards/id6796848437)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Retrieve | $9.99 | one-time |


## Frequently asked questions

### Is Space free?

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

### Is Retrieve free?

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

### Do Space or Retrieve have ads?

Neither Space nor Retrieve shows ads.

### Which is updated more often, Space or Retrieve?

Space ships an update weekly, and Retrieve every 2 days. Most recently, Space was updated on November 3, 2026 and Retrieve 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.*