# SuperMemo vs Space

The clearest difference is review sentiment: Space at 78% against SuperMemo's 31%. Space also leads on rating (4.7 vs 4.2) and update cadence (weekly vs every 4 weeks). SuperMemo's advantage is ratings volume (132 vs 34). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. SuperMemo sells 10 in-app purchases, starting at $9.99 per month and Space sells 6 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Space holds the better App Store score, 4.7 against 4.2. Both are backed by a comparable volume of ratings — 132 and 34 respectively. Written reviews point the same way: 31% of SuperMemo's written reviews are positive against 78% of Space's.

SuperMemo ships an update every 4 weeks, Space weekly. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | SuperMemo | Space |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (132 ratings)](https://appshunter.io/ios/app/supermemo-effective-learning/id982498980/reviews) | **[4.7 (34 ratings)](https://appshunter.io/ios/app/space-spaced-repetition/id1546202212/reviews)** |
| Number of ratings | **132** | 34 |
| Positive reviews | 31.0% of reviews | **77.6% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Weekly** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 63 MB | 143 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [SuperMemo World](https://appshunter.io/developer/326593746) | [Till Friebe](https://appshunter.io/developer/1546202214) |

## What reviewers say

### SuperMemo

[App page](https://appshunter.io/ios/app/supermemo-effective-learning/id982498980)

Master new languages and subjects with AI-powered spaced repetition. Practice conversations, get instant translations, and access a vast library of courses. Learn effectively, even offline, with intelligent review schedules.

**Highlights:** Spaced repetition algorithm, AI-powered conversation practice, AI voice translation, Extensive course catalog, Offline learning option, Customizable flashcards

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SuperMemo.com Premium | $9.99 | per month |
| Premium Subscription 12 months | $99.99 | per year |
| German Grammar Repertory | $29.90 | one-time |
| Portuguese: Fast Track | $39.90 | one-time |
| Biznesowy niemiecki.Słownictwo | $39.90 | one-time |
| Romanian: Fast Track | $39.99 | one-time |
| Italian Megaset 10-in-1 | $149.99 | one-time |
| Spanish Megaset 15-in-1 | $219.99 | one-time |
| French Megaset 17-in-1 | $229.99 | one-time |
| German Megaset 18-in-1 | $249.99 | one-time |

**What reviewers like**

- 👍 Excellent for long-term retention
- 👍 Highly recommended for language learning
- 👍 Offline mode appreciated (when available)
- 👍 Mature learning database/tool
- 👍 Content is top-notch

**What reviewers complain about**

- 🐛 App frequently crashes or doesn't start
- 🐛 No way to test without trial/signup
- 🐛 Cannot connect to App Store
- 🐛 Purchased courses disappeared after update
- 🐛 Website not working correctly

**Reported bugs**

- App doesn't start on iPhone 13 Pro
- Purchased courses disappeared after update
- Website not working correctly
- No longer works offline
- Slower online performance

**Requested features**

- Option to switch back to old font
- Fix search to allow searching for accented characters
- Improve TTS to respect punctuation and spacing
- Improve course editor to display cards with lots of text
- Add Apple Sign In


### 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 |


## Frequently asked questions

### Is SuperMemo free?

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

### Is Space free?

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

### Which has better reviews, SuperMemo or Space?

Space is rated higher. SuperMemo averages 4.2 out of 5 from 132 ratings, while Space averages 4.7 from 34 ratings.

### Do SuperMemo or Space have ads?

Neither SuperMemo nor Space shows ads.

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

SuperMemo ships an update every 4 weeks, and Space weekly. Most recently, SuperMemo was updated on November 1, 2026 and Space on November 3, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*