# Math Countdown vs Water Sort Puzzle

The clearest difference is rating: Water Sort Puzzle at 4.7 against Math Countdown's 2.0. Water Sort Puzzle also leads on ratings volume (69 vs 1). Math Countdown's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Water Sort Puzzle sells 1 one-off in-app purchase. Math Countdown asks for nothing beyond the download.

Water Sort Puzzle holds the better App Store score, 4.7 against 2.0. That said, the two scores are not equally well evidenced: Water Sort Puzzle has 69 ratings behind it against 1, so its average is the more settled of the two.

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on October 6, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Math Countdown | Water Sort Puzzle |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.0 (1 ratings)](https://appshunter.io/ios/app/math-countdown/id1460485494/reviews) | **[4.7 (69 ratings)](https://appshunter.io/ios/app/water-sort-puzzle-get-color/id6450533547/reviews)** |
| Number of ratings | 1 | **69** |
| Positive reviews | — | 71.4% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Monthly | Monthly |
| Monetization | **Free** | Free with in-app purchases |
| Size | 32 MB | 102 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Mikhail Razin](https://appshunter.io/developer/1460485493) | [Semen Sharyhin](https://appshunter.io/developer/1463206827) |

## What reviewers say

### Math Countdown

[App page](https://appshunter.io/ios/app/math-countdown/id1460485494)

Practice your math skills with this engaging game. Solve problems against the clock before time runs out. Improve your counting abilities in a fun, fast-paced environment.

**Highlights:** Timed problem solving, Improve counting skills, Fast-paced gameplay, Countdown timer, Engaging challenges

**Features:** macOS Compatibility

**In-app purchases:** none


### Water Sort Puzzle

[App page](https://appshunter.io/ios/app/water-sort-puzzle-get-color/id6450533547)

Test your intelligence with this challenging yet relaxing liquid color sorting puzzle. Arrange colored water in tubes until each is filled with a single hue. It's easy to learn but difficult to master, offering infinite levels and brain-stimulating fun.

**Highlights:** Liquid color sorting gameplay, Unlimited challenging levels, Brain stimulation, One-finger control, Offline play, No time limit or penalties, Restart levels anytime

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ads | $1.99 | one-time |


## Frequently asked questions

### Is Math Countdown free?

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

### Is Water Sort Puzzle free?

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

### Which has better reviews, Math Countdown or Water Sort Puzzle?

Water Sort Puzzle is rated higher. Math Countdown averages 2.0 out of 5 from 1 ratings, while Water Sort Puzzle averages 4.7 from 69 ratings.

### Do Math Countdown or Water Sort Puzzle have ads?

Water Sort Puzzle shows ads; Math Countdown does not.

### Which is updated more often, Math Countdown or Water Sort Puzzle?

Math Countdown ships an update monthly, and Water Sort Puzzle monthly. Most recently, Math Countdown was updated on October 6, 2026 and Water Sort Puzzle on October 13, 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.*