# MemStacks vs QuizCircuit

The clearest difference is in-app purchases: QuizCircuit at none against MemStacks's 1. QuizCircuit also leads on iOS requirement (13.0 vs 18.0). MemStacks's advantage is update cadence (every 2 days vs every 3 weeks). On price, ads and device support there is nothing between them.

Both are free to download. MemStacks sells 1 one-off in-app purchase. QuizCircuit asks for nothing beyond the download.

MemStacks ships an update every 2 days, QuizCircuit every 3 weeks. The most recent releases landed on October 24, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | MemStacks | QuizCircuit |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 3 weeks |
| Size | 19 MB | 3 MB |
| Requires iOS | 18.0 | **13.0** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPod, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Denızcan OZPINAR](https://appshunter.io/developer/1848817078) | [RetroApps LLC](https://appshunter.io/developer/1845420719) |

## What reviewers say

### MemStacks

[App page](https://appshunter.io/ios/app/memstacks/id6754551854)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Support the Developer | $0.99 | one-time |


### QuizCircuit

[App page](https://appshunter.io/ios/app/quizcircuit/id6760978323)

**Features:** Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is MemStacks free?

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

### Is QuizCircuit free?

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

### Do MemStacks or QuizCircuit have ads?

Neither MemStacks nor QuizCircuit shows ads.

### Which is updated more often, MemStacks or QuizCircuit?

MemStacks ships an update every 2 days, and QuizCircuit every 3 weeks. Most recently, MemStacks was updated on October 24, 2026 and QuizCircuit on October 19, 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.*