# Water Power! vs OneOut

The clearest difference is in-app purchases: OneOut at none against Water Power!'s 10. OneOut also leads on rating (5.0 vs 4.6) and iOS requirement (13.0 vs 15.0). Water Power!'s advantage is ratings volume (27K vs 1) and update cadence (fortnightly vs every 5 weeks). On price, ads and device support there is nothing between them.

Both are free to download. Water Power! sells 10 in-app purchases, starting at $4.99 per month. OneOut asks for nothing beyond the download.

OneOut holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Water Power! has 27K ratings behind it against 1, so its average is the more settled of the two.

Water Power! ships an update fortnightly, OneOut every 5 weeks. The most recent releases landed on November 10, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Water Power! | OneOut |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (27K ratings)](https://appshunter.io/ios/app/water-power/id1659387585/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/oneout/id6760794943/reviews)** |
| Number of ratings | **27K** | 1 |
| Positive reviews | 21.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Fortnightly** | Every 5 weeks |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Best chart rank | **#186** | — |
| Size | 453 MB | 108 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Voodoo](https://appshunter.io/developer/714804730) | [essadike elhafiane](https://appshunter.io/developer/1886281665) |

## What reviewers say

### Water Power!

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

**Currently charting:** #186 Top Free · Games (US App Store)

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 (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VIP Pass | $4.99 | per month |
| No Ads | $3.99 | one-time |
| No Ads + Boosters pack | $4.99 | one-time |
| Medium Pack Of Coins | $5.99 | one-time |
| Pack of Crystals | $5.99 | one-time |
| Special Bonuses and No Ads | $5.99 | one-time |
| Special Bonuses | $6.99 | 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 |

**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


### OneOut

[App page](https://appshunter.io/ios/app/oneout/id6760794943)

A clean and satisfying sliding block puzzle game designed to challenge your logic and problem-solving skills. Guide the hero block to the exit through increasingly complex levels, with tools to aid your progress and a star-based system to reward efficiency.

**Highlights:** Sliding block puzzle gameplay, Multiple difficulty tiers, Hint, undo, and restart tools, Star-based progression, Player profiles and ranking board, Dark mode support

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Water Power! free?

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

### Is OneOut free?

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

### Which has better reviews, Water Power! or OneOut?

OneOut is rated higher. Water Power! averages 4.6 out of 5 from 27K ratings, while OneOut averages 5.0 from 1 ratings.

### Do Water Power! or OneOut have ads?

Both Water Power! and OneOut show ads.

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

Water Power! ships an update fortnightly, and OneOut every 5 weeks. Most recently, Water Power! was updated on November 10, 2026 and OneOut on October 31, 2026.

---

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