# Color Water Sort Puzzle 3D vs Stack Em! Cosmic Blocks

The clearest difference is in-app purchases: Stack Em! Cosmic Blocks at none against Color Water Sort Puzzle 3D's 16. Stack Em! Cosmic Blocks also leads on ads (none vs shown) and update cadence (every 3 days vs every 5 weeks). Color Water Sort Puzzle 3D's advantage is ratings volume (12K vs 2) and device support (3 vs 1). On price there is nothing between them.

Both are free to download. Color Water Sort Puzzle 3D sells 16 in-app purchases, starting at $9.99 per month. Stack Em! Cosmic Blocks asks for nothing beyond the download.

Stack Em! Cosmic Blocks holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Color Water Sort Puzzle 3D has 12K ratings behind it against 2, so its average is the more settled of the two.

Color Water Sort Puzzle 3D ships an update every 5 weeks, Stack Em! Cosmic Blocks every 3 days. The most recent releases landed on October 31, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Color Water Sort Puzzle 3D | Stack Em! Cosmic Blocks |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (12K ratings)](https://appshunter.io/ios/app/color-water-sort-puzzle-3d/id1566301002/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/stack-em-cosmic-blocks/id6774973758/reviews)** |
| Number of ratings | **12K** | 2 |
| Positive reviews | 62.2% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 5 weeks | **Every 3 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 463 MB | 31 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 9+ | 4+ |
| Developer | [TapNation](https://appshunter.io/developer/1483575279) | [JMM Technologies](https://appshunter.io/developer/6774973760) |

## What reviewers say

### Color Water Sort Puzzle 3D

[App page](https://appshunter.io/ios/app/color-water-sort-puzzle-3d/id1566301002)

Engage your mind with a challenging yet fun liquid sorting puzzle. Strategize to pour colorful waters into tubes, grouping same colors together. Earn rewards and unlock hints to advance through limitless levels without time pressure.

**Highlights:** Sort colorful water into respective tubes, Collect gems upon level completion, Unlock hints when stuck, Colorful graphics and sounds, Limitless unique levels, No time limit

**Features:** Vision Pro support

**In-app purchases (16)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VIP Monthly Subscription | $9.99 | per month |
| Remove Ads | $0.99 | one-time |
| 10 Extra Tubes | $1.99 | one-time |
| 150 Gems | $1.99 | one-time |
| Starter Pack 1 | $1.99 | one-time |
| Remove Ads | $1.99 | one-time |
| Remove Ads | $2.99 | one-time |
| Starter Pack 2 | $2.99 | one-time |
| Master Bundle | $4.99 | one-time |
| 500 Gems | $5.99 | one-time |
| Super Bundle | $9.99 | one-time |
| 1000 Gems | $11.99 | one-time |
| MegaBundle | $19.99 | one-time |
| 2000 Gems | $19.99 | one-time |
| Giant Bundle | $39.99 | one-time |
| Legendary Bundle | $79.99 | one-time |

**What reviewers like**

- 🥰 Fun and engaging game
- 🧠 Challenging and tests IQ
- 🎨 Satisfying color sorting mechanics
- 👍 Smooth graphics and animations
- ⏱️ Quick progress and level advancement

**What reviewers complain about**

- 💸 Too many ads, even after paying to remove them
- 🙄 Ads that play during gameplay are disruptive
- 🤬 Ads that can't be skipped or muted
- 🤔 Some levels are unsolvable without paying for extras
- 🐛 Bugs, crashes, and freezing issues

**Reported bugs**

- Login screen freezes
- Incompatibility with older devices
- Levels becoming unsolvable due to bugs

**Requested features**

- Less intrusive ads or a more fair ad-removal system
- Ability to restart levels immediately
- More customization options for bottles and visuals
- Improved hint system and level difficulty progression


### Stack Em! Cosmic Blocks

[App page](https://appshunter.io/ios/app/stack-em-cosmic-blocks/id6774973758)

A relaxing block puzzle game designed for short play sessions. Drag and drop pieces to complete rows and columns, clear space, and aim for high scores. Enjoy satisfying visual and audio feedback with multiple themes.

**Highlights:** Ad-free gameplay, Fast offline play, No account required, Smooth drag-and-drop controls, Satisfying clears and combos, Multiple unlockable themes

**In-app purchases:** none


## Frequently asked questions

### Is Color Water Sort Puzzle 3D free?

Color Water Sort Puzzle 3D is free to download, with in-app purchases available.

### Is Stack Em! Cosmic Blocks free?

Stack Em! Cosmic Blocks is free to download, with no in-app purchases.

### Which has better reviews, Color Water Sort Puzzle 3D or Stack Em! Cosmic Blocks?

Stack Em! Cosmic Blocks is rated higher. Color Water Sort Puzzle 3D averages 4.8 out of 5 from 12K ratings, while Stack Em! Cosmic Blocks averages 5.0 from 2 ratings.

### Do Color Water Sort Puzzle 3D or Stack Em! Cosmic Blocks have ads?

Color Water Sort Puzzle 3D shows ads; Stack Em! Cosmic Blocks does not.

### Which is updated more often, Color Water Sort Puzzle 3D or Stack Em! Cosmic Blocks?

Color Water Sort Puzzle 3D ships an update every 5 weeks, and Stack Em! Cosmic Blocks every 3 days. Most recently, Color Water Sort Puzzle 3D was updated on October 31, 2026 and Stack Em! Cosmic Blocks on October 24, 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.*