# Sandflash vs King Charles Quiz

The clearest difference is in-app purchases: Sandflash at none against King Charles Quiz's 1. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. King Charles Quiz sells 1 in-app purchase, starting at $24.99 per month. Sandflash asks for nothing beyond the download.

Sandflash ships an update monthly, King Charles Quiz every 3 weeks. The most recent releases landed on November 4, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | Sandflash | King Charles Quiz |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/sandflash/id6739746731/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 2 MB | 53 MB |
| Requires iOS | 15.6 | **14.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Joshua Smith](https://appshunter.io/developer/1786835996) | [Devlion](https://appshunter.io/developer/1503215195) |

## What reviewers say

### 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


### King Charles Quiz

[App page](https://appshunter.io/ios/app/king-charles-quiz/id6749686031)

**Features:** Apple Wallet

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium \| 1 Month | $24.99 | per month |


## Frequently asked questions

### Is Sandflash free?

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

### Is King Charles Quiz free?

King Charles Quiz is free to download, with in-app purchases available.

### Do Sandflash or King Charles Quiz have ads?

Neither Sandflash nor King Charles Quiz shows ads.

### Which is updated more often, Sandflash or King Charles Quiz?

Sandflash ships an update monthly, and King Charles Quiz every 3 weeks. Most recently, Sandflash was updated on November 4, 2026 and King Charles Quiz on November 8, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*