# The Blind Number Challenge vs Stack Snap 3D

The clearest difference is in-app purchases: Stack Snap 3D at none against The Blind Number Challenge's 2. Stack Snap 3D also leads on ads (none vs shown) and iOS requirement (12.0 vs 16.4). The Blind Number Challenge's advantage is update cadence (weekly vs every 2 months). On price and device support there is nothing between them.

Both are free to download. The Blind Number Challenge sells 2 one-off in-app purchases. Stack Snap 3D asks for nothing beyond the download.

The Blind Number Challenge ships an update weekly, Stack Snap 3D every 2 months. The most recent releases landed on October 6, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | The Blind Number Challenge | Stack Snap 3D |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/the-blind-number-challenge/id6450614483/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 11 MB | 36 MB |
| Requires iOS | 16.4 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Juanjo Valino](https://appshunter.io/developer/1552752501) | [Meetanshi Technologies LLP](https://appshunter.io/developer/1649028041) |

## What reviewers say

### The Blind Number Challenge

[App page](https://appshunter.io/ios/app/the-blind-number-challenge/id6450614483)

Test your numerical skills by arranging numbers in ascending order without knowing the next value. Enhance mental agility, concentration, and reasoning in this addictive puzzle game inspired by a social media trend.

**Highlights:** Ascending number sorting, Mental agility test, Concentration enhancement, Reasoning skill sharpening, Social media trend inspired, Play anytime, anywhere

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ads | $2.99 | one-time |
| Remove ads | $9.99 | one-time |


### Stack Snap 3D

[App page](https://appshunter.io/ios/app/stack-snap-3d/id6753793162)

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

**In-app purchases:** none


## Frequently asked questions

### Is The Blind Number Challenge free?

The Blind Number Challenge is free to download, with in-app purchases available.

### Is Stack Snap 3D free?

Stack Snap 3D is free to download, with no in-app purchases.

### Do The Blind Number Challenge or Stack Snap 3D have ads?

The Blind Number Challenge shows ads; Stack Snap 3D does not.

### Which is updated more often, The Blind Number Challenge or Stack Snap 3D?

The Blind Number Challenge ships an update weekly, and Stack Snap 3D every 2 months. Most recently, The Blind Number Challenge was updated on October 6, 2026 and Stack Snap 3D on October 10, 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.*