# Waterpark.io 3D vs Rainbow Stacking

The clearest difference is in-app purchases: Rainbow Stacking at none against Waterpark.io 3D's 1. Rainbow Stacking also leads on update cadence (every 2 weeks vs every 2 months). Waterpark.io 3D's advantage is ratings volume (6.4K vs 1) and rating (4.3 vs 4.0). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Waterpark.io 3D sells 1 one-off in-app purchase. Rainbow Stacking asks for nothing beyond the download.

Waterpark.io 3D holds the better App Store score, 4.3 against 4.0. That said, the two scores are not equally well evidenced: Waterpark.io 3D has 6.4K ratings behind it against 1, so its average is the more settled of the two.

Waterpark.io 3D ships an update every 2 months, Rainbow Stacking every 2 weeks. The most recent releases landed on November 7, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Waterpark.io 3D | Rainbow Stacking |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (6.4K ratings)](https://appshunter.io/ios/app/waterparkio-3d/id1517397761/reviews)** | [4.0 (1 ratings)](https://appshunter.io/ios/app/rainbow-stacking/id1644587632/reviews) |
| Number of ratings | **6.4K** | 1 |
| Positive reviews | 33.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 221 MB | 46 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Akbari Bhaveshbhai](https://appshunter.io/developer/1491355688) | [Kevin Merz](https://appshunter.io/developer/1642543757) |

## What reviewers say

### Waterpark.io 3D

[App page](https://appshunter.io/ios/app/waterparkio-3d/id1517397761)

Race down thrilling water slides, collecting people and outmaneuvering opponents. Survive challenging levels, unlock new characters, and achieve victory in this fast-paced 3D adventure.

**Highlights:** Multiplayer water slide racing, Parkour experience, Collect people to grow your crowd, Crush and eliminate opponents, Survival challenges, Unlock new characters, Smooth swipe controls

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| No Ads | $1.99 | one-time |

**What reviewers like**

- 👍 Fun and addictive gameplay
- 🚀 No internet required
- 💡 Potential for more customization options

**What reviewers complain about**

- 🐛 Bugs and glitches (e.g., level progression issues, slide movement problems)
- 🔒 Limited gameplay features (no jumping, pushing, or shortcuts)
- 🤔 Unbalanced gameplay (always starting in last place)

**Reported bugs**

- Game crashes or freezes on certain devices
- Slide movement not responsive to user input
- Level progression issues (unable to advance past certain levels)

**Requested features**

- Add ability to jump off and switch slides
- Implement more varied and challenging levels
- Allow for character customization and skin selection
- Introduce multiplayer mode with real opponents


### Rainbow Stacking

[App page](https://appshunter.io/ios/app/rainbow-stacking/id1644587632)

A level-based block-stacking game with simple and beautiful graphics. Players stack blocks to reach a target line, offering a straightforward yet engaging puzzle experience.

**Highlights:** Level-based gameplay, Block stacking mechanics, Reach target line objective, Simple graphics, Beautiful design

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

**In-app purchases:** none


## Frequently asked questions

### Is Waterpark.io 3D free?

Waterpark.io 3D is free to download, with in-app purchases available.

### Is Rainbow Stacking free?

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

### Which has better reviews, Waterpark.io 3D or Rainbow Stacking?

Waterpark.io 3D is rated higher. Waterpark.io 3D averages 4.3 out of 5 from 6.4K ratings, while Rainbow Stacking averages 4.0 from 1 ratings.

### Do Waterpark.io 3D or Rainbow Stacking have ads?

Both Waterpark.io 3D and Rainbow Stacking show ads.

### Which is updated more often, Waterpark.io 3D or Rainbow Stacking?

Waterpark.io 3D ships an update every 2 months, and Rainbow Stacking every 2 weeks. Most recently, Waterpark.io 3D was updated on November 7, 2026 and Rainbow Stacking on November 3, 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.*