# Spacify vs Memoo

The clearest difference is review sentiment: Spacify at 86% against Memoo's 54%. Memoo's advantage is iOS requirement (16.4 vs 18.0). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Spacify sells 3 in-app purchases, starting at $2.99 per month and Memoo sells 10 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Spacify | Memoo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.3 (51 ratings)](https://appshunter.io/ios/app/memoo-spaced-repetition/id1518351730/reviews)** |
| Number of ratings | — | **51** |
| Positive reviews | **85.7% of reviews** | 53.8% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 38 MB | 80 MB |
| Requires iOS | 18.0 | **16.4** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Denis Semenov](https://appshunter.io/developer/1441647112) | [Andreu Pifarre](https://appshunter.io/developer/1518351729) |

## What reviewers say

### Spacify

[App page](https://appshunter.io/ios/app/spacify-learn-and-remember/id1441647113)

This app helps you retain information by creating smart flashcards. It uses a scientifically proven spaced repetition algorithm to optimize memorization and offers a minimalist design to minimize distractions. Learn and remember anything, from vocabulary to complex facts, with this efficient study tool.

**Highlights:** Create smart flashcards, Spaced Repetition algorithm, iCloud sync & backup, Minimalist design, Rich text editor, Offline and online functionality

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $2.99 | per month |
| 3 Months Subscription | $2.99 | per 3 months |
| Annual Subscription | $19.99 | per year |


### Memoo

[App page](https://appshunter.io/ios/app/memoo-spaced-repetition/id1518351730)

Enhance your memory and learning speed with a scientifically-backed spaced repetition system. Create and study flashcards efficiently across multiple devices, even offline. Features include a smart algorithm, cloud syncing, and custom math formulas.

**Highlights:** Spaced repetition learning technique, Flashcard-based information processing, Cross-device study and learning, Smart algorithm for timely card display, Cloud auto-syncing of data, 100% offline functionality, Customizable math formulas

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Memoo Plus (1 Week) | $2.99 | per 7 days |
| Memoo Plus (1 Month) | $4.99 | per month |
| 50% Off Memoo Plus | $19.99 | per year |
| Memoo Premium (1 Year) | $29.99 | per year |
| Memoo Plus (1 Year) | $39.99 | per year |
| Lifetime | Free | one-time |
| Capitals of the World | $0.99 | one-time |
| Presidents of the USA | $0.99 | one-time |
| English Irregular Verbs | $0.99 | one-time |
| Lifetime 90% Off | $9.99 | one-time |


## Frequently asked questions

### Is Spacify free?

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

### Is Memoo free?

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

### Do Spacify or Memoo have ads?

Neither Spacify nor Memoo shows ads.

### Which is updated more often, Spacify or Memoo?

Spacify ships an update every 3 weeks, and Memoo every 3 weeks. Most recently, Spacify was updated on November 2, 2026 and Memoo on November 3, 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.*