# Quantum Number Lock vs Wrong Button Challenge

Quantum Number Lock and Wrong Button Challenge are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Quantum Number Lock ships an update every 9 days, Wrong Button Challenge every 2 weeks. The most recent releases landed on October 25, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Quantum Number Lock | Wrong Button Challenge |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 2 weeks |
| Size | 7 MB | 105 MB |
| Requires iOS | 15 | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [特 郑](https://appshunter.io/developer/1881393610) | [Konstantinos Vogiatzakis](https://appshunter.io/developer/818619540) |

## What reviewers say

### Quantum Number Lock

[App page](https://appshunter.io/ios/app/quantum-number-lock/id6760518803)

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

**In-app purchases:** none


### Wrong Button Challenge

[App page](https://appshunter.io/ios/app/wrong-button-challenge/id6793492288)

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

**In-app purchases:** none


## Frequently asked questions

### Is Quantum Number Lock free?

Quantum Number Lock is free to download, with no in-app purchases.

### Is Wrong Button Challenge free?

Wrong Button Challenge is free to download, with no in-app purchases.

### Do Quantum Number Lock or Wrong Button Challenge have ads?

Neither Quantum Number Lock nor Wrong Button Challenge shows ads.

### Which is updated more often, Quantum Number Lock or Wrong Button Challenge?

Quantum Number Lock ships an update every 9 days, and Wrong Button Challenge every 2 weeks. Most recently, Quantum Number Lock was updated on October 25, 2026 and Wrong Button Challenge on October 8, 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.*