# Dr. Rocket vs Rocky Castle

The clearest difference is in-app purchases: Dr. Rocket at none against Rocky Castle's 21. Dr. Rocket also leads on rating (4.4 vs 4.1). Rocky Castle's advantage is update cadence (every 3 weeks vs every 6 months) and iOS requirement (10.0 vs 12.0). On price, review sentiment, ratings volume and ads there is nothing between them.

Both are free to download. Rocky Castle sells 21 one-off in-app purchases. Dr. Rocket asks for nothing beyond the download.

Dr. Rocket holds the better App Store score, 4.4 against 4.1. Both are backed by a comparable volume of ratings — 54 and 84 respectively. Written reviews split almost evenly too, at 72% and 73% positive.

Dr. Rocket ships an update every 6 months, Rocky Castle every 3 weeks. The most recent releases landed on August 20, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Dr. Rocket | Rocky Castle |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (54 ratings)](https://appshunter.io/ios/app/dr-rocket/id981111702/reviews)** | [4.1 (84 ratings)](https://appshunter.io/ios/app/rocky-castle/id1116173620/reviews) |
| Number of ratings | 54 | **84** |
| Positive reviews | 72.2% of reviews | **72.9% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 6 months | **Every 3 weeks** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 8 MB | 277 MB |
| Requires iOS | 12.0 | **10.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SUD Inc.](https://appshunter.io/developer/453469451) | [Istom Games Kft.](https://appshunter.io/developer/333561719) |

## What reviewers say

### Dr. Rocket

[App page](https://appshunter.io/ios/app/dr-rocket/id981111702)

Pilot your rocket through space by tapping the screen to steer. Test your reflexes and see how far you can travel in this simple, arcade-style game.

**Highlights:** Simple touch controls, Rocket flight simulation, Endless space journey, High score chasing

**Features:** Vision Pro support

**In-app purchases:** none


### Rocky Castle

[App page](https://appshunter.io/ios/app/rocky-castle/id1116173620)

Embark on a cartoony tower climbing adventure with lively pets. Navigate hazardous obstacles like spikes, barrels, and fire traps using intuitive swipe controls. Master timing and awareness to conquer challenging levels and reach the top.

**Highlights:** Lighthearted colorful visuals, Hilarious characters, Simple and intuitive controls, Smooth and addictive gameplay, Retina display support, iCloud support, Game Center support

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

**In-app purchases (21)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Croco | $0.99 | one-time |
| Inky | $0.99 | one-time |
| Rosmaria | $0.99 | one-time |
| Hector | $0.99 | one-time |
| Draco | $0.99 | one-time |
| Skipper | $0.99 | one-time |
| Fluffy | $0.99 | one-time |
| Rex | $0.99 | one-time |
| Small Pack | $0.99 | one-time |
| Betty | $0.99 | one-time |
| Astro | $0.99 | one-time |
| Rusty | $0.99 | one-time |
| Bandit | $0.99 | one-time |
| Lizzy | $0.99 | one-time |
| Bobo | $0.99 | one-time |
| Burgie | $0.99 | one-time |
| Xmas | $0.99 | one-time |
| Stripes | $0.99 | one-time |
| Coin Doubler | $1.99 | one-time |
| No Ads | $1.99 | one-time |
| Medium Pack | $14.99 | one-time |

**What reviewers like**

- 👍 Fun and addictive gameplay
- 🎨 Cute and colorful graphics
- 🕹️ Smooth controls
- ⏱️ Good challenge and difficulty curve

**What reviewers complain about**

- 🤖 Intrusive and excessive ads
- 💰 Lack of free character unlocks
- 🔇 Annoying sound effects
- 🐛 Occasional glitches and crashes

**Reported bugs**

- Game freezes or crashes after dying
- Ads sometimes open the App Store unexpectedly
- Controls not always responsive

**Requested features**

- More levels and worlds
- Ability to restart levels from the beginning
- Option to disable ads or pay for ad-free version
- More character customization options


## Frequently asked questions

### Is Dr. Rocket free?

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

### Is Rocky Castle free?

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

### Which has better reviews, Dr. Rocket or Rocky Castle?

Dr. Rocket is rated higher. Dr. Rocket averages 4.4 out of 5 from 54 ratings, while Rocky Castle averages 4.1 from 84 ratings.

### Do Dr. Rocket or Rocky Castle have ads?

Both Dr. Rocket and Rocky Castle show ads.

### Which is updated more often, Dr. Rocket or Rocky Castle?

Dr. Rocket ships an update every 6 months, and Rocky Castle every 3 weeks. Most recently, Dr. Rocket was updated on August 20, 2026 and Rocky Castle on September 22, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*