# Idle Water Slide vs Model Railways

Idle Water Slide and Model Railways both sit at 4.7 stars, but that hides the real split: 72% of Idle Water Slide's written reviews are positive against 24% of Model Railways's. Idle Water Slide also leads on in-app purchases (none vs 10) and ads (none vs shown). On price, rating, ratings volume and update cadence there is nothing between them.

Both are free to download. Model Railways sells 10 one-off in-app purchases. Idle Water Slide asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.7 for Idle Water Slide against 4.7 for Model Railways. Both are backed by a comparable volume of ratings — 3.8K and 2.4K respectively. Written reviews are what separate them: 72% of Idle Water Slide's written reviews are positive against 24% of Model Railways's.

Idle Water Slide ships an update every 3 weeks, Model Railways every 2 weeks. The most recent releases landed on November 3, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Idle Water Slide | Model Railways |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (3.8K ratings)](https://appshunter.io/ios/app/idle-water-slide/id1470558835/reviews)** | [4.7 (2.4K ratings)](https://appshunter.io/ios/app/model-railways/id1660176890/reviews) |
| Number of ratings | **3.8K** | 2.4K |
| Positive reviews | **72.2% of reviews** | 24.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 352 MB | 444 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [文辉 江](https://appshunter.io/developer/1503883236) | [Linh Vu Pham](https://appshunter.io/developer/1609539693) |

## What reviewers say

### Idle Water Slide

[App page](https://appshunter.io/ios/app/idle-water-slide/id1470558835)

Design and build an exciting water park with a variety of slides. Attract new visitors and upgrade your park to maximize profits and become the ultimate manager.

**Highlights:** Unlock water slides, Welcome new clients, Upgrade park facilities, Earn money, Become a park manager

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Fun and relaxing game
- 🚀 Easy to earn money
- 💎 Satisfying gameplay
- 🎨 Cute and polished visuals

**What reviewers complain about**

- 🔍 Lack of content and progression after reaching max level
- 📺 Excessive advertisements
- 🕰️ Slow progression at higher levels
- 🔋 Battery-draining due to offline earnings

**Reported bugs**

- Money counting stops at certain thresholds
- Ads sometimes freeze or fail to load properly

**Requested features**

- Add more track pieces and gameplay elements
- Introduce prestige system or additional worlds
- Reduce advertisement frequency or provide ad-free option
- Improve performance and battery optimization


### Model Railways

[App page](https://appshunter.io/ios/app/model-railways/id1660176890)

Build and expand your dream model railway system. Collect and merge trains to level up, earn money, and unlock new track layouts. Experience the joy of creating your own miniature world.

**Highlights:** Build model railway systems, Collect and merge trains, Level up trains, Earn in-game money, Unlock new layouts

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Engineer of Train | $0.99 | one-time |
| Engineer of Roller Coaster | $0.99 | one-time |
| Accountant of Train | $0.99 | one-time |
| CEO of Train | $1.99 | one-time |
| CEO of Roller Coaster | $1.99 | one-time |
| Super Deal of Train | $2.99 | one-time |
| Epic Deal of Roller Coaster | $2.99 | one-time |
| Super Deal of Roller Coaster | $2.99 | one-time |
| Epic Deal of Train | $2.99 | one-time |
| No Ads | $4.99 | one-time |

**What reviewers like**

- 👍 Good game
- 🚀 Lovely game to play

**What reviewers complain about**

- 🐛 Lots of bugs
- 🔒 Ads not removed despite purchase
- 🐛 Unable to unlock third area/track
- 🐛 Rewards not granted after watching ads

**Reported bugs**

- Unable to unlock third area/track
- Rewards not granted after watching ads
- Inconsistent progression and maxed out trains
- Game crashes after unlocking second track

**Requested features**

- More levels/areas
- Fix bugs and issues
- Improve progression and unlock system


## Frequently asked questions

### Is Idle Water Slide free?

Idle Water Slide is free to download, with no in-app purchases.

### Is Model Railways free?

Model Railways is free to download, with in-app purchases available.

### Which has better reviews, Idle Water Slide or Model Railways?

Idle Water Slide is rated higher. Idle Water Slide averages 4.7 out of 5 from 3.8K ratings, while Model Railways averages 4.7 from 2.4K ratings.

### Do Idle Water Slide or Model Railways have ads?

Model Railways shows ads; Idle Water Slide does not.

### Which is updated more often, Idle Water Slide or Model Railways?

Idle Water Slide ships an update every 3 weeks, and Model Railways every 2 weeks. Most recently, Idle Water Slide was updated on November 3, 2026 and Model Railways on November 7, 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.*