# Spaced Repetition vs Study LM

The clearest difference is rating: Study LM at 4.8 against Spaced Repetition's 4.3. Study LM also leads on update cadence (every 2 weeks vs monthly). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Spaced Repetition sells 3 in-app purchases, starting at $1.99 per month and Study LM sells 5 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Study LM holds the better App Store score, 4.8 against 4.3. Both are backed by a comparable volume of ratings — 6 and 5 respectively.

Spaced Repetition ships an update monthly, Study LM every 2 weeks. Both last shipped on October 30, 2026.

## The numbers

| Metric | Spaced Repetition | Study LM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (6 ratings)](https://appshunter.io/ios/app/spaced-repetition-synapse/id6672094098/reviews) | **[4.8 (5 ratings)](https://appshunter.io/ios/app/study-lm-spaced-repetition/id6745802549/reviews)** |
| Number of ratings | **6** | 5 |
| Positive reviews | 87.5% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 weeks** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 34 MB | 46 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SAMUEL PREMJI](https://appshunter.io/developer/1767673207) | [Michal Palys-Dudek](https://appshunter.io/developer/390167402) |

## What reviewers say

### Spaced Repetition

[App page](https://appshunter.io/ios/app/spaced-repetition-synapse/id6672094098)

This app simplifies revision planning with a personalized schedule and timely reminders. It offers a calendar view and customizable intervals, eliminating the need for manual flashcard creation. Focus on learning without the stress of organizing your study plan.

**Highlights:** Personalized revision plan creation, Timely revision reminders, Intuitive calendar visualization, Customizable revision intervals, No flashcard creation required

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly subscription | $1.99 | per month |
| Annual | $9.99 | per year |
| Synapse premium | $29.99 | one-time |


### Study LM

[App page](https://appshunter.io/ios/app/study-lm-spaced-repetition/id6745802549)

This AI-powered learning tool transforms your notes, lectures, and documents into bite-sized summaries and interactive flashcards. It adapts to your learning style, making studying more efficient and enjoyable, even on the go. Achieve better grades and boost your confidence with science-backed study methods.

**Highlights:** AI-generated bite-sized summaries, Interactive flashcards with Leitner method, Hands-free listening and speaking mode, Adaptive study plans, Pomodoro timer for focused sessions, Quizzes with instant feedback, Feynman technique for deeper understanding

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited AI Notes (Weekly) | $1.99 | per 7 days |
| Unlimited AI Notes (Weekly) | $3.99 | per 7 days |
| Unlimited AI Notes (Monthly) | $9.99 | per month |
| Unlimited AI Notes (Yearly) | $29.99 | per year |
| Unlimited AI Notes (Yearly) | $59.99 | per year |


## Frequently asked questions

### Is Spaced Repetition free?

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

### Is Study LM free?

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

### Which has better reviews, Spaced Repetition or Study LM?

Study LM is rated higher. Spaced Repetition averages 4.3 out of 5 from 6 ratings, while Study LM averages 4.8 from 5 ratings.

### Do Spaced Repetition or Study LM have ads?

Neither Spaced Repetition nor Study LM shows ads.

### Which is updated more often, Spaced Repetition or Study LM?

Spaced Repetition ships an update monthly, and Study LM every 2 weeks. Most recently, Spaced Repetition was updated on October 30, 2026 and Study LM on October 30, 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.*