# Spaced Repetition vs Orbit

The clearest difference is in-app purchases: Orbit at none against Spaced Repetition's 3. Spaced Repetition's advantage is device support (3 vs 1). On price, ads and iOS requirement there is nothing between them.

Both are free to download. Spaced Repetition sells 3 in-app purchases, starting at $1.99 per month. Orbit asks for nothing beyond the download.

## The numbers

| Metric | Spaced Repetition | Orbit |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/spaced-repetition-synapse/id6672094098/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 87.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | — |
| Monetization | Free with in-app purchases | — |
| Size | 34 MB | 54 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [SAMUEL PREMJI](https://appshunter.io/developer/1767673207) | [Hassaan Nasim](https://appshunter.io/developer/6808852863) |

## 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 |


### Orbit

[App page](https://appshunter.io/ios/app/orbit-study-partners/id6808852861)

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

**In-app purchases:** none


## Frequently asked questions

### Is Spaced Repetition free?

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

### Is Orbit free?

Orbit is free to download, with no in-app purchases.

### Do Spaced Repetition or Orbit have ads?

Neither Spaced Repetition nor Orbit shows ads.

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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.*