# Cardfoq vs HyperPi Lite

The clearest difference is in-app purchases: HyperPi Lite at none against Cardfoq's 10. Cardfoq's advantage is iOS requirement (17.0 vs 26.1). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Cardfoq sells 10 one-off in-app purchases. HyperPi Lite asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 10, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Cardfoq | HyperPi Lite |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free | — |
| Size | 17 MB | 8 MB |
| Requires iOS | **17.0** | 26.1 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Joshua Johannes Hoffmann](https://appshunter.io/developer/1859403935) | [Bassem Allani](https://appshunter.io/developer/1847393265) |

## What reviewers say

### Cardfoq

[App page](https://appshunter.io/ios/app/cardfoq/id6757342579)

This app helps students memorize knowledge and learn effectively with customizable flashcards. Organize your study materials, track progress, and sync across devices. Share and export your study sets with friends and classmates.

**Highlights:** Create unlimited custom flashcards, Add images to cards, Organize stacks in folders, Track progress with statistics, Automatic iCloud synchronization, Share and export stacks, Dark mode

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Financial Mathematics | $0.49 | one-time |
| Geometry | $0.49 | one-time |
| Calculus | $0.49 | one-time |
| Cell Biology | $0.49 | one-time |
| Linear Algebra | $0.49 | one-time |
| Statistics | $0.49 | one-time |
| Ecology | $0.49 | one-time |
| Genetics | $0.49 | one-time |
| Human Biology | $0.49 | one-time |
| Evolution | $0.49 | one-time |


### HyperPi Lite

[App page](https://appshunter.io/ios/app/hyperpi-lite-memorize-pi/id6761498237)

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

**In-app purchases:** none


## Frequently asked questions

### Is Cardfoq free?

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

### Is HyperPi Lite free?

HyperPi Lite is free to download, with no in-app purchases.

### Do Cardfoq or HyperPi Lite have ads?

Neither Cardfoq nor HyperPi Lite shows ads.

### Which is updated more often, Cardfoq or HyperPi Lite?

Cardfoq ships an update every 2 months, and HyperPi Lite every 2 months. Most recently, Cardfoq was updated on October 10, 2026 and HyperPi Lite on October 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.*