# Revision Cards vs Flash Stack

The clearest difference is in-app purchases: Flash Stack at none against Revision Cards's 2. Flash Stack also leads on update cadence (every 3 days vs every 180 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Revision Cards sells 2 in-app purchases, starting at $5.99 per 7 days. Flash Stack asks for nothing beyond the download.

Revision Cards ships an update every 180 months, Flash Stack every 3 days. Both last shipped on September 10, 2026.

## The numbers

| Metric | Revision Cards | Flash Stack |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.7 (3 ratings)](https://appshunter.io/ios/app/revision-cards/id443933857/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 180 months | **Every 3 days** |
| Monetization | Freemium | — |
| Size | 19 MB | 8 MB |
| Requires iOS | **17.0** | 18.6 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Angel App Publishing Ltd.](https://appshunter.io/developer/412814814) | [Reuben Enterprises Ltd](https://appshunter.io/developer/1804593784) |

## What reviewers say

### Revision Cards

[App page](https://appshunter.io/ios/app/revision-cards/id443933857)

Create and study custom flashcards with AI assistance. Organize your learning materials with folders and color themes. Offers a distraction-free study mode with various playback options.

**Highlights:** Manual card creation, AI-powered card generation, AI helper for content improvement, Full-screen distraction-free study mode, Folder organization, Customizable color themes, Progress tracking

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $5.99 | per 7 days |
| Lifetime Purchase | $29.99 | one-time |


### Flash Stack

[App page](https://appshunter.io/ios/app/flash-stack-revision-cards/id6763527608)

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

**In-app purchases:** none


## Frequently asked questions

### Is Revision Cards free?

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

### Is Flash Stack free?

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

### Do Revision Cards or Flash Stack have ads?

Neither Revision Cards nor Flash Stack shows ads.

### Which is updated more often, Revision Cards or Flash Stack?

Revision Cards ships an update every 180 months, and Flash Stack every 3 days. Most recently, Revision Cards was updated on September 10, 2026 and Flash Stack on September 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.*