# Rocket Sky! vs Water Power!

The clearest difference is update cadence: Water Power! at fortnightly against Rocket Sky!'s every 3 months. Rocket Sky!'s advantage is ratings volume (109K vs 26K). On price, rating, review sentiment and ads there is nothing between them.

Both are free to download. Rocket Sky! sells 6 in-app purchases, starting at $5.49 per 7 days and Water Power! sells 21 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.5 for Rocket Sky! against 4.6 for Water Power!. Both are backed by a comparable volume of ratings — 109K and 26K respectively. Written reviews are what separate them: 17% of Rocket Sky!'s written reviews are positive against 21% of Water Power!'s.

Rocket Sky! ships an update every 3 months, Water Power! fortnightly. Both last shipped on October 27, 2026.

## The numbers

| Metric | Rocket Sky! | Water Power! |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (109K ratings)](https://appshunter.io/ios/app/rocket-sky/id1444727745/reviews) | **[4.6 (26K ratings)](https://appshunter.io/ios/app/water-power/id1659387585/reviews)** |
| Number of ratings | **109K** | 26K |
| Positive reviews | 17.2% of reviews | **21.5% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 3 months | **Fortnightly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 267 MB | 453 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Kwalee Ltd](https://appshunter.io/developer/497961736) | [Voodoo](https://appshunter.io/developer/714804730) |

## What reviewers say

### Rocket Sky!

[App page](https://appshunter.io/ios/app/rocket-sky/id1444727745)

Tap and hold to launch your rocket, managing heat to avoid overheating. Upgrade your rocket to reach new heights, break records, and explore diverse planets. Unlock new rockets and enjoy a colorful 2D space adventure.

**Highlights:** Tap and hold to launch, Manage rocket heat, Rocket upgrades, Explore new planets, Unlock rockets, Colorful 2D design

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VIP MEMBERSHIP | $5.49 | per 7 days |
| MONTHLY VIP MEMBERSHIP | $14.49 | per month |
| Special Event | $0.99 | one-time |
| Remove Ads | $2.99 | one-time |
| Explorer's Pack | $9.99 | one-time |
| Explorer's Pack | $24.99 | one-time |

**What reviewers like**

- 🚀 Fun and addictive gameplay
- 👍 Simple and intuitive controls
- 🚀 Satisfying rocket upgrades and progression

**What reviewers complain about**

- 🔥 Excessive and intrusive advertisements
- 🔒 Requires internet connection to play
- 🐛 Inconsistent gameplay and glitches
- 💰 Monetization model feels exploitative

**Reported bugs**

- Freezing and crashing after watching ads
- Inconsistent rocket performance and height
- Upgrade options not working as expected

**Requested features**

- Offline play mode
- More planets and rocket variety
- Reduced advertisement frequency
- Ability to permanently remove ads


### Water Power!

[App page](https://appshunter.io/ios/app/water-power/id1659387585)

Build and manage your own hydro empire by generating power with various water-based structures. Explore new worlds, upgrade your facilities with hired engineers, and automate production to grow your city from a village to a futuristic metropolis. Participate in events and claim rewards to boost your progress in this idle simulation game.

**Highlights:** Generate power with water wheels, dams, and stations, Explore diverse worlds, Hire prestige engineers for upgrades, Research new tech and automate production, Participate in regular events, Grow a hydro city

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

**In-app purchases (21)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VIP Pass | $4.99 | per month |
| Boosters pack | $1.99 | one-time |
| Small Pack Of Coins | $1.99 | one-time |
| Special Bonuses | $1.99 | one-time |
| Boxes | $1.99 | one-time |
| No Ads | $2.99 | one-time |
| No Ads | $3.99 | one-time |
| Special Bonuses and No Ads | $3.99 | one-time |
| No Ads + Boosters pack | $4.99 | one-time |
| Medium Pack Of Coins | $5.99 | one-time |
| Boosters pack | $5.99 | one-time |
| Pack of Crystals | $5.99 | one-time |
| Special Bonuses and No Ads | $5.99 | one-time |
| No Ads + 5 x5 Time Boosters | $5.99 | one-time |
| Special Bonuses | $6.99 | one-time |
| Quadruple offline income | $7.99 | one-time |
| Special Bonuses and No Ads | $7.99 | one-time |
| Special Bonuses and No Ads | $8.99 | one-time |
| Large Pack Of Coins | $14.99 | one-time |
| Ultra Pack Of Coins | $24.99 | one-time |
| Mega Pack of Coins | $49.99 | one-time |

**What reviewers like**

- 🚀 Fun and addictive game
- 👍 Simple and easy to play
- 🚀 Good progression in early stages

**What reviewers complain about**

- 🐛 Impossible to progress past Canada
- 💰 Unrealistic pricing to unlock new areas
- 🔋 Slow offline earnings
- 📺 Too many ads
- 🐛 Bugs and glitches

**Reported bugs**

- Game progress resets after updates
- Ads that cannot be closed
- Inconsistent money generation

**Requested features**

- Reduce the cost to unlock Canada
- Improve offline earnings
- Reduce the number of ads


## Frequently asked questions

### Is Rocket Sky! free?

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

### Is Water Power! free?

Water Power! is free to download, with in-app purchases available.

### Which has better reviews, Rocket Sky! or Water Power!?

Water Power! is rated higher. Rocket Sky! averages 4.5 out of 5 from 109K ratings, while Water Power! averages 4.6 from 26K ratings.

### Do Rocket Sky! or Water Power! have ads?

Both Rocket Sky! and Water Power! show ads.

### Which is updated more often, Rocket Sky! or Water Power!?

Rocket Sky! ships an update every 3 months, and Water Power! fortnightly. Most recently, Rocket Sky! was updated on October 27, 2026 and Water Power! on October 27, 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.*