# Unlock3D vs Stack Storm 3D

The clearest difference is in-app purchases: Stack Storm 3D at none against Unlock3D's 1. Unlock3D's advantage is update cadence (every 5 days vs every 11 days) and iOS requirement (9.0 vs 13.0). On price, ads and device support there is nothing between them.

Both are free to download. Unlock3D sells 1 one-off in-app purchase. Stack Storm 3D asks for nothing beyond the download.

Unlock3D ships an update every 5 days, Stack Storm 3D every 11 days. The most recent releases landed on October 5, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Unlock3D | Stack Storm 3D |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (201 ratings)](https://appshunter.io/ios/app/unlock3d/id1455980787/reviews)** | — |
| Number of ratings | **201** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 11 days |
| Monetization | Free with in-app purchases | — |
| Size | 132 MB | 73 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [RadPirates](https://appshunter.io/developer/1218338313) | [Arvind Pavasiya](https://appshunter.io/developer/1797859787) |

## What reviewers say

### Unlock3D

[App page](https://appshunter.io/ios/app/unlock3d/id1455980787)

Engage in a calming puzzle experience by guiding balls through vibrant mazes. This game offers a relaxed pace, allowing ample time to strategize and enjoy each colorful level.

**Highlights:** Relaxing puzzle gameplay, Guide balls through mazes, Dozens of colorful levels, No time pressure, Enjoyable experience

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $2.99 | one-time |


### Stack Storm 3D

[App page](https://appshunter.io/ios/app/stack-storm-3d/id6742342197)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Unlock3D free?

Unlock3D is free to download, with in-app purchases available.

### Is Stack Storm 3D free?

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

### Do Unlock3D or Stack Storm 3D have ads?

Neither Unlock3D nor Stack Storm 3D shows ads.

### Which is updated more often, Unlock3D or Stack Storm 3D?

Unlock3D ships an update every 5 days, and Stack Storm 3D every 11 days. Most recently, Unlock3D was updated on October 5, 2026 and Stack Storm 3D on September 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.*