# Hello Rocket vs Onet Gallery 3D

The clearest difference is in-app purchases: Onet Gallery 3D at none against Hello Rocket's 1. Onet Gallery 3D also leads on update cadence (every 2 days vs every 10 days). Hello Rocket's advantage is ads (none vs shown) and iOS requirement (11.0 vs 13.0). On price and device support there is nothing between them.

Both are free to download. Hello Rocket sells 1 one-off in-app purchase. Onet Gallery 3D asks for nothing beyond the download.

Hello Rocket ships an update every 10 days, Onet Gallery 3D every 2 days. The most recent releases landed on October 23, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Hello Rocket | Onet Gallery 3D |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (8 ratings)](https://appshunter.io/ios/app/hello-rocket/id412779007/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 83.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 10 days | **Every 2 days** |
| Monetization | Free with in-app purchases | — |
| Size | 56 MB | 43 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SoftwareByEugene](https://appshunter.io/developer/317013590) | [famobi](https://appshunter.io/developer/933760663) |

## What reviewers say

### Hello Rocket

[App page](https://appshunter.io/ios/app/hello-rocket/id412779007)

Engage in a physics-based demolition game with 72 levels of challenging gameplay. Knock over towers, detonate bombs, and defeat cute enemies using hilarious physics. Compete for high scores on global leaderboards.

**Highlights:** 72 levels of physics-based challenges, Topple towers and explode bombs, Defeat cute bad guys, Game Center leaderboards, Hours of addictive gameplay

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock All Levels | $4.99 | one-time |


### Onet Gallery 3D

[App page](https://appshunter.io/ios/app/onet-gallery-3d/id6744608642)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Hello Rocket free?

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

### Is Onet Gallery 3D free?

Onet Gallery 3D is free to download, with no in-app purchases.

### Do Hello Rocket or Onet Gallery 3D have ads?

Onet Gallery 3D shows ads; Hello Rocket does not.

### Which is updated more often, Hello Rocket or Onet Gallery 3D?

Hello Rocket ships an update every 10 days, and Onet Gallery 3D every 2 days. Most recently, Hello Rocket was updated on October 23, 2026 and Onet Gallery 3D on October 13, 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.*