# Spaced Repetition vs MemoCards Study

The clearest difference is update cadence: MemoCards Study at every 3 days against Spaced Repetition's monthly. Spaced Repetition's advantage is iOS requirement (15.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Spaced Repetition sells 3 in-app purchases, starting at $1.99 per month and MemoCards Study sells 1 in-app purchase, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

Spaced Repetition ships an update monthly, MemoCards Study every 3 days. The most recent releases landed on October 30, 2026 and November 13, 2026 respectively.

## The numbers

| Metric | Spaced Repetition | MemoCards Study |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (6 ratings)](https://appshunter.io/ios/app/spaced-repetition-synapse/id6672094098/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 87.5% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 days** |
| Monetization | Free with in-app purchases | — |
| Size | 34 MB | 19 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [SAMUEL PREMJI](https://appshunter.io/developer/1767673207) | [Xiyang Lyu](https://appshunter.io/developer/6803827388) |

## 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 |


### MemoCards Study

[App page](https://appshunter.io/ios/app/memocards-study/id6803827386)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MemoCards Monthly | $0.99 | per month |


## Frequently asked questions

### Is Spaced Repetition free?

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

### Is MemoCards Study free?

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

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

Neither Spaced Repetition nor MemoCards Study shows ads.

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

Spaced Repetition ships an update monthly, and MemoCards Study every 3 days. Most recently, Spaced Repetition was updated on October 30, 2026 and MemoCards Study on November 13, 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.*