# Imprimo vs Flash Stack

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

Both are free to download. Imprimo sells 3 in-app purchases, starting at $3.99 per 7 days. Flash Stack asks for nothing beyond the download.

Imprimo ships an update every 5 days, Flash Stack every 3 days. The most recent releases landed on October 7, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Imprimo | Flash Stack |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/imprimo-ai-exam-flashcards/id6762209628/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 5 days | **Every 3 days** |
| Monetization | Free with in-app purchases | — |
| Size | 27 MB | 8 MB |
| Requires iOS | **17.0** | 18.6 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Imdad Ismail](https://appshunter.io/developer/1893376305) | [Reuben Enterprises Ltd](https://appshunter.io/developer/1804593784) |

## What reviewers say

### Imprimo

[App page](https://appshunter.io/ios/app/imprimo-ai-exam-flashcards/id6762209628)

Transform notes, PDFs, or photos into smart flashcards for effective exam preparation. Utilize spaced repetition and a guided learning mode to build deep understanding and long-term memory retention for demanding courses.

**Highlights:** AI-generated flashcards from notes, PDFs, or photos, Spaced repetition for long-term memory, Guided learning mode for deeper understanding, Offline study capabilities, Customizable decks and organization, Home and Lock Screen widgets

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Imprimo Pro Weekly | $3.99 | per 7 days |
| Imprimo Pro Monthly | $12.49 | per month |
| Imprimo Pro Yearly | $74.99 | per year |


### 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 Imprimo free?

Imprimo 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 Imprimo or Flash Stack have ads?

Imprimo shows ads; Flash Stack does not.

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

Imprimo ships an update every 5 days, and Flash Stack every 3 days. Most recently, Imprimo was updated on October 7, 2026 and Flash Stack on October 25, 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.*