# Flash Stack vs Cram

The clearest difference is in-app purchases: Flash Stack at none against Cram's 2. Flash Stack also leads on update cadence (every 3 days vs weekly). Cram's advantage is iOS requirement (16.4 vs 18.6). On price, ads and device support there is nothing between them.

Both are free to download. Cram sells 2 in-app purchases, starting at $12.99 per month. Flash Stack asks for nothing beyond the download.

Flash Stack ships an update every 3 days, Cram weekly. The most recent releases landed on September 10, 2026 and September 7, 2026 respectively.

## The numbers

| Metric | Flash Stack | Cram |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Weekly |
| Size | 8 MB | 80 MB |
| Requires iOS | 18.6 | **16.4** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Reuben Enterprises Ltd](https://appshunter.io/developer/1804593784) | [Sunbranch AS](https://appshunter.io/developer/1792915981) |

## What reviewers say

### Flash Stack

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

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

**In-app purchases:** none


### Cram

[App page](https://appshunter.io/ios/app/cram-ai-flashcard-maker/id6777853059)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Cram Pro (Monthly) | $12.99 | per month |
| Cram Pro (Yearly) | $44.99 | per year |


## Frequently asked questions

### Is Flash Stack free?

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

### Is Cram free?

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

### Do Flash Stack or Cram have ads?

Neither Flash Stack nor Cram shows ads.

### Which is updated more often, Flash Stack or Cram?

Flash Stack ships an update every 3 days, and Cram weekly. Most recently, Flash Stack was updated on September 10, 2026 and Cram on September 7, 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.*