# Memosaurus vs Spaced Repetition Tracker

The clearest difference is update cadence: Spaced Repetition Tracker at fortnightly against Memosaurus's every 13 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Memosaurus sells 1 one-off in-app purchase and Spaced Repetition Tracker sells 4 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

Memosaurus ships an update every 13 months, Spaced Repetition Tracker fortnightly. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Memosaurus | Spaced Repetition Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/spaced-repetition-tracker/id6478831271/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 93.3% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 13 months | **Fortnightly** |
| Monetization | — | Free with in-app purchases |
| Size | 8 MB | 50 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Jan Huber](https://appshunter.io/developer/1653723275) | [Alessandro Pace](https://appshunter.io/developer/1635839308) |

## What reviewers say

### Memosaurus

[App page](https://appshunter.io/ios/app/memosaurus/id1672915883)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro | $5.99 | one-time |


### Spaced Repetition Tracker

[App page](https://appshunter.io/ios/app/spaced-repetition-tracker/id6478831271)

This app helps you retain more information from your study sessions. Log your study time, rate the difficulty of material, and utilize spaced repetition for effective review. Organize your learning by subject and track your progress to build a consistent study habit.

**Highlights:** Organize topics by subject, Log study sessions quickly, Rate difficulty after study blocks, Track progress and consistency, Review with spaced repetition

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $5.99 | per month |
| Yearly | $29.99 | per year |
| Unlimited Access (Family) | $34.99 | one-time |
| Unlimited Access | $49.99 | one-time |


## Frequently asked questions

### Is Memosaurus free?

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

### Is Spaced Repetition Tracker free?

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

### Do Memosaurus or Spaced Repetition Tracker have ads?

Neither Memosaurus nor Spaced Repetition Tracker shows ads.

### Which is updated more often, Memosaurus or Spaced Repetition Tracker?

Memosaurus ships an update every 13 months, and Spaced Repetition Tracker fortnightly. Most recently, Memosaurus was updated on October 25, 2026 and Spaced Repetition Tracker 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.*