# ZapCardz vs Sandflash

The clearest difference is in-app purchases: Sandflash at none against ZapCardz's 2. Sandflash also leads on device support (3 vs 1) and iOS requirement (15.6 vs 17.0). ZapCardz's advantage is update cadence (every 6 days vs monthly). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. ZapCardz sells 2 in-app purchases, starting at $3.99 per month. Sandflash asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for ZapCardz against 5.0 for Sandflash. Both are backed by a comparable volume of ratings — 2 and 3 respectively.

ZapCardz ships an update every 6 days, Sandflash monthly. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | ZapCardz | Sandflash |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/zapcardz-flashcards-learning/id6450555601/reviews) | [5.0 (3 ratings)](https://appshunter.io/ios/app/sandflash/id6739746731/reviews) |
| Number of ratings | 2 | **3** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 6 days** | Monthly |
| Monetization | Free with in-app purchases | **Free** |
| Size | 15 MB | 2 MB |
| Requires iOS | 17.0 | **15.6** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Valentin Mille](https://appshunter.io/developer/1693892187) | [Joshua Smith](https://appshunter.io/developer/1786835996) |

## What reviewers say

### ZapCardz

[App page](https://appshunter.io/ios/app/zapcardz-flashcards-learning/id6450555601)

This app uses AI to create personalized flashcards for efficient and enjoyable studying. You can also manually create and edit your own cards for a dynamic learning experience. It's designed for students, professionals, and lifelong learners.

**Highlights:** AI-powered flashcard creation, Manual flashcard creation, On-the-go editing, Interactive learning modes, Tailored study experiences

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Zap Pack | $3.99 | per month |
| Zap Pack | $29.99 | per year |


### Sandflash

[App page](https://appshunter.io/ios/app/sandflash/id6739746731)

This app provides a straightforward digital flashcard experience for studying and memorization. It aims to replicate the simplicity of traditional flashcards for educational purposes.

**Highlights:** Digital flashcard creation, Study and memorization tool, Simple user interface, Free to use

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

**In-app purchases:** none


## Frequently asked questions

### Is ZapCardz free?

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

### Is Sandflash free?

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

### Which has better reviews, ZapCardz or Sandflash?

ZapCardz and Sandflash are both rated 5.0 out of 5 on the App Store, from 2 and 3 ratings respectively.

### Do ZapCardz or Sandflash have ads?

Neither ZapCardz nor Sandflash shows ads.

### Which is updated more often, ZapCardz or Sandflash?

ZapCardz ships an update every 6 days, and Sandflash monthly. Most recently, ZapCardz was updated on November 3, 2026 and Sandflash on October 30, 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.*