# Spaced vs Memblu

The clearest difference is ads: Spaced at none against Memblu's shown. Memblu's advantage is update cadence (every 9 days vs monthly) and iOS requirement (13.0 vs 18.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Spaced sells 3 in-app purchases, starting at $0.99 per month and Memblu sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

Spaced ships an update monthly, Memblu every 9 days. The most recent releases landed on October 10, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Spaced | Memblu |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/memblu-a-level-ib-ap-dse-exam/id6755348175/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Every 9 days** |
| Monetization | — | Free with in-app purchases |
| Size | 356 MB | 40 MB |
| Requires iOS | 18.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Sam Woolf](https://appshunter.io/developer/1439593063) | [MainStream Technology,.Ltd](https://appshunter.io/developer/1828678921) |

## What reviewers say

### Spaced

[App page](https://appshunter.io/ios/app/spaced-language-learning/id6743569113)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $0.99 | per month |
| Premium | $5.99 | per year |
| Premium | $9.99 | one-time |


### Memblu

[App page](https://appshunter.io/ios/app/memblu-a-level-ib-ap-dse-exam/id6755348175)

This app transforms flashcards into AI-generated practice questions and tests for various standardized exams. It uses spaced repetition and adaptive difficulty to optimize learning and track progress, helping students prepare effectively with less stress.

**Highlights:** AI-generated practice questions from flashcards, Multiple-choice, fill-in-the-blank, true/false quizzes, Spaced repetition for long-term memory, Performance tracking of mastered and struggling topics, Automated study planning and scheduling, Extensive library of exam-specific flashcard sets, Cross-platform sync across devices

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Memblu Premium Monthly | $3.99 | per month |
| Memblu Premium Yearly | $39.99 | per year |


## Frequently asked questions

### Is Spaced free?

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

### Is Memblu free?

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

### Do Spaced or Memblu have ads?

Memblu shows ads; Spaced does not.

### Which is updated more often, Spaced or Memblu?

Spaced ships an update monthly, and Memblu every 9 days. Most recently, Spaced was updated on October 10, 2026 and Memblu 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.*