# Hesse Cards vs ZenStudy.ai

The clearest difference is ads: Hesse Cards at none against ZenStudy.ai's shown. Hesse Cards also leads on iOS requirement (15.1 vs 17.6). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Hesse Cards sells 1 in-app purchase, starting at $12.99 per month and ZenStudy.ai sells 1 in-app purchase, starting at $14.99 per month. Whichever you choose, the download price is not the number that matters.

Hesse Cards ships an update every 6 weeks, ZenStudy.ai every 2 months. The most recent releases landed on June 11, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | Hesse Cards | ZenStudy.ai |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/hesse-cards/id6476163821/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 52.4% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Monetization | Subscription | — |
| Size | 39 MB | 48 MB |
| Requires iOS | **15.1** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Hesse Al GmbH](https://appshunter.io/developer/1726066209) | [ZenStudy Technologies - FZCO](https://appshunter.io/developer/1782979211) |

## What reviewers say

### Hesse Cards

[App page](https://appshunter.io/ios/app/hesse-cards/id6476163821)

Transform lecture notes into interactive flashcards and quizzes quickly and efficiently. This app focuses on streamlined automation for effective learning, offering a simple and fast way to study your notes.

**Highlights:** Automated flashcard creation, Quiz generation, Note transformation, Efficient learning tools, Simple interface

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro | $12.99 | per month |


### ZenStudy.ai

[App page](https://appshunter.io/ios/app/zenstudyai/id6738932178)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Membership | $14.99 | per month |


## Frequently asked questions

### Is Hesse Cards free?

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

### Is ZenStudy.ai free?

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

### Do Hesse Cards or ZenStudy.ai have ads?

ZenStudy.ai shows ads; Hesse Cards does not.

### Which is updated more often, Hesse Cards or ZenStudy.ai?

Hesse Cards ships an update every 6 weeks, and ZenStudy.ai every 2 months. Most recently, Hesse Cards was updated on June 11, 2026 and ZenStudy.ai on September 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.*