# Kitty Sort vs Curve Runner

The clearest difference is in-app purchases: Curve Runner at none against Kitty Sort's 16. Kitty Sort's advantage is iOS requirement (15.0 vs 18.2). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Kitty Sort sells 16 in-app purchases, starting at $3.99 per 7 days. Curve Runner asks for nothing beyond the download.

Kitty Sort ships an update every 2 weeks, Curve Runner every 9 days. The most recent releases landed on November 1, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Kitty Sort | Curve Runner |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (10K ratings)](https://appshunter.io/ios/app/kitty-sort-twisted-tails/id6504183751/reviews)** | — |
| Number of ratings | **10K** | — |
| Positive reviews | 71.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 9 days** |
| Monetization | Free with in-app purchases | — |
| Size | 301 MB | 4 MB |
| Requires iOS | **15.0** | 18.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Smart Project GmbH](https://appshunter.io/developer/1462157824) | [Fakhruddin Kuwala](https://appshunter.io/developer/1061408056) |

## What reviewers say

### Kitty Sort

[App page](https://appshunter.io/ios/app/kitty-sort-twisted-tails/id6504183751)

Engage in an addictive color sorting puzzle adventure with adorable cats. This game offers a variety of levels and challenges to boost brainpower and relieve stress with its intuitive interface and charming graphics.

**Highlights:** Engaging color sorting gameplay, Variety of levels and puzzles, Easy-to-use interface, Stunning graphics and animations, Addictive challenges, Brain-boosting puzzles, Stress-relieving gameplay

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

**In-app purchases (16)**

| Purchase | Price | Billing |
| --- | --- | --- |
| No ADS: Meow Subscription | $3.99 | per 7 days |
| Meowsome Pack#2 | $1.99 | one-time |
| Meowsome Pack#4 | $3.99 | one-time |
| Meowsome Pack#5 | $4.99 | one-time |
| Meowsome Pack #6 | $5.99 | one-time |
| No ADS: Meow Pack | $7.99 | one-time |
| Meowsome Pack #9 | $8.99 | one-time |
| Meowsome Pack#10 | $9.99 | one-time |
| Meowsome Pack #11 | $10.99 | one-time |
| No ADS: Purremium Pack | $11.99 | one-time |
| Meowsome Pack#12 | $11.99 | one-time |
| No ADS: Purrfect Bundle | $14.99 | one-time |
| Meowsome Pack#15 | $14.99 | one-time |
| Meowsome Pack#20 | $19.99 | one-time |
| Meowsome Pack#50 | $49.99 | one-time |
| Meowsome Pack#100 | $99.99 | one-time |

**What reviewers like**

- 👍 Cute and fun game
- 👍 Relaxing and challenging
- 👍 Adorable kitty graphics
- 👍 Keeps the mind active

**What reviewers complain about**

- 🐛 Buggy and not functioning properly
- 💸 Too many ads, some very long
- 🤔 Levels become too difficult without paying
- 🕰️ Slow loading times

**Reported bugs**

- Game not loading past the first few pages
- Levels becoming unsolvable without using coins
- Inconsistent ad rewards

**Requested features**

- More challenging levels
- Ability to purchase removal of ads
- Daily puzzles, tournaments, and special events
- Ability to customize or interact with the cats


### Curve Runner

[App page](https://appshunter.io/ios/app/curve-runner/id6756701894)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Kitty Sort free?

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

### Is Curve Runner free?

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

### Do Kitty Sort or Curve Runner have ads?

Neither Kitty Sort nor Curve Runner shows ads.

### Which is updated more often, Kitty Sort or Curve Runner?

Kitty Sort ships an update every 2 weeks, and Curve Runner every 9 days. Most recently, Kitty Sort was updated on November 1, 2026 and Curve Runner on October 30, 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.*