# MindStack Flashcards vs Ocean of Islam

The clearest difference is in-app purchases: Ocean of Islam at none against MindStack Flashcards's 2. Ocean of Islam also leads on iOS requirement (16.4 vs 26.0). MindStack Flashcards's advantage is update cadence (every 5 days vs every 2 weeks). On price, ads and device support there is nothing between them.

Both are free to download. MindStack Flashcards sells 2 in-app purchases, starting at $4.99 per month. Ocean of Islam asks for nothing beyond the download.

MindStack Flashcards ships an update every 5 days, Ocean of Islam every 2 weeks. The most recent releases landed on October 24, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | MindStack Flashcards | Ocean of Islam |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 2 weeks |
| Size | 49 MB | 59 MB |
| Requires iOS | 26.0 | **16.4** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [harris khalid](https://appshunter.io/developer/1804203945) | [Muhammed Yaquob Ahmed](https://appshunter.io/developer/6788066065) |

## What reviewers say

### MindStack Flashcards

[App page](https://appshunter.io/ios/app/mindstack-flashcards/id6764129492)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $4.99 | per month |
| Pro Annual | $19.99 | per year |


### Ocean of Islam

[App page](https://appshunter.io/ios/app/ocean-of-islam/id6788066063)

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

**In-app purchases:** none


## Frequently asked questions

### Is MindStack Flashcards free?

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

### Is Ocean of Islam free?

Ocean of Islam is free to download, with no in-app purchases.

### Do MindStack Flashcards or Ocean of Islam have ads?

Neither MindStack Flashcards nor Ocean of Islam shows ads.

### Which is updated more often, MindStack Flashcards or Ocean of Islam?

MindStack Flashcards ships an update every 5 days, and Ocean of Islam every 2 weeks. Most recently, MindStack Flashcards was updated on October 24, 2026 and Ocean of Islam on October 10, 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.*