# zero vs Locked Diorama

The clearest difference is in-app purchases: zero at none against Locked Diorama's 1. zero also leads on update cadence (every 2 months vs every 5 months) and review sentiment (100% vs 88%). Locked Diorama's advantage is ratings volume (26 vs 6). On price, rating, ads and device support there is nothing between them.

Both are free to download. Locked Diorama sells 1 one-off in-app purchase. zero asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.8 for zero against 4.8 for Locked Diorama. Both are backed by a comparable volume of ratings — 6 and 26 respectively. Written reviews are what separate them: 100% of zero's written reviews are positive against 88% of Locked Diorama's.

zero ships an update every 2 months, Locked Diorama every 5 months. The most recent releases landed on October 21, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | zero | Locked Diorama |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (6 ratings)](https://appshunter.io/ios/app/zero-the-game/id6477903054/reviews)** | [4.8 (26 ratings)](https://appshunter.io/ios/app/locked-diorama/id6612015503/reviews) |
| Number of ratings | 6 | **26** |
| Positive reviews | **100.0% of reviews** | 87.5% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 2 months** | Every 5 months |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 140 MB | 94 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Raul Davrishev](https://appshunter.io/developer/1731060019) | [Harry Tahir](https://appshunter.io/developer/1294167389) |

## What reviewers say

### zero

[App page](https://appshunter.io/ios/app/zero-the-game/id6477903054)

Challenge your mind with unique logic puzzles where the goal is to represent the number zero. Explore creative challenges, experimental gameplay mechanics, and a minimalistic aesthetic. Enjoy relaxing music as you progress through increasingly difficult levels.

**Highlights:** Unique puzzle levels, Experimental gameplay mechanics, Minimalistic graphic aesthetics, Relaxing background music, Progressive difficulty and training, Logic and creative challenges

**Features:** macOS Compatibility

**In-app purchases:** none


### Locked Diorama

[App page](https://appshunter.io/ios/app/locked-diorama/id6612015503)

Immerse yourself in a 3D escape game experience with challenging puzzles and unique environments. Solve riddles, find clues, and collect stars to unlock new levels and escape the diorama rooms. Offers a tutorial and multiple level packs for endless fun.

**Highlights:** 3D isometric escape rooms, Puzzle-solving challenges, Clue and item discovery, Star collection for unlocks, Tutorial and bonus levels, Auto-save progress

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Game | $2.99 | one-time |


## Frequently asked questions

### Is zero free?

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

### Is Locked Diorama free?

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

### Which has better reviews, zero or Locked Diorama?

zero is rated higher. zero averages 4.8 out of 5 from 6 ratings, while Locked Diorama averages 4.8 from 26 ratings.

### Do zero or Locked Diorama have ads?

Both zero and Locked Diorama show ads.

### Which is updated more often, zero or Locked Diorama?

zero ships an update every 2 months, and Locked Diorama every 5 months. Most recently, zero was updated on October 21, 2026 and Locked Diorama on October 24, 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.*