# Cat Sort vs Do Re Mi

Cat Sort and Do Re Mi both sit at 3.6 stars, but that hides the real split: 50% of Cat Sort's written reviews are positive against 14% of Do Re Mi's. Do Re Mi's advantage is in-app purchases (none vs 5) and ads (none vs shown). On price, rating, update cadence and device support there is nothing between them.

Both are free to download. Cat Sort sells 5 one-off in-app purchases. Do Re Mi asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 3.6 for Cat Sort against 3.7 for Do Re Mi. That said, the two scores are not equally well evidenced: Do Re Mi has 170 ratings behind it against 8, so its average is the more settled of the two. Written reviews are what separate them: 50% of Cat Sort's written reviews are positive against 14% of Do Re Mi's.

Cat Sort ships an update every 4 weeks, Do Re Mi every 2 weeks. The most recent releases landed on November 4, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Cat Sort | Do Re Mi |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.6 (8 ratings)](https://appshunter.io/ios/app/cat-sort-color-puzzle/id6689515767/reviews) | **[3.7 (170 ratings)](https://appshunter.io/ios/app/do-re-mi-fun-challenges/id6737718664/reviews)** |
| Number of ratings | 8 | **170** |
| Positive reviews | **50.0% of reviews** | 14.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 4 weeks | **Every 2 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 171 MB | 50 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [PERCAS VIET NAM JOINT STOCK COMPANY](https://appshunter.io/developer/1587673711) | [Salma HBIBI OUALI](https://appshunter.io/developer/1770521362) |

## What reviewers say

### Cat Sort

[App page](https://appshunter.io/ios/app/cat-sort-color-puzzle/id6689515767)

Engage your mind with a logic puzzle game featuring adorable cats. Sort them by color onto shelves to complete levels. Enjoy a relaxing experience with simple controls and challenging gameplay.

**Highlights:** Cute cat characters, Thousands of levels, One-finger control, Relaxing sound and visuals, Challenging to master, Boosters available

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Starter Pack | $0.99 | one-time |
| 1000 Coins | $1.99 | one-time |
| Fun Pack | $4.99 | one-time |
| 5000 Coins | $7.99 | one-time |
| Master Pack | $19.99 | one-time |


### Do Re Mi

[App page](https://appshunter.io/ios/app/do-re-mi-fun-challenges/id6737718664)

Engage in a variety of fun challenges designed to test your skills. Enjoy a voice game, a vegetable-cutting simulation, and an egg-balancing task. More exciting challenges are planned for future updates.

**Highlights:** Do Re Mi voice game, Cutting vegetables simulation, Balancing the egg challenge, Multiple fun challenges, New challenges coming soon

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 💖 Better than expected

**What reviewers complain about**

- 🚨 Insane amount of ads
- 🛑 Ads interrupt gameplay
- 🔊 Can't hear the notes

**Reported bugs**

- Do Re Mi challenge doesn't work as expected
- Timer issues

**Requested features**

- Reduce ads
- Improve audio quality


## Frequently asked questions

### Is Cat Sort free?

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

### Is Do Re Mi free?

Do Re Mi is free to download, with no in-app purchases.

### Which has better reviews, Cat Sort or Do Re Mi?

Do Re Mi is rated higher. Cat Sort averages 3.6 out of 5 from 8 ratings, while Do Re Mi averages 3.7 from 170 ratings.

### Do Cat Sort or Do Re Mi have ads?

Cat Sort shows ads; Do Re Mi does not.

### Which is updated more often, Cat Sort or Do Re Mi?

Cat Sort ships an update every 4 weeks, and Do Re Mi every 2 weeks. Most recently, Cat Sort was updated on November 4, 2026 and Do Re Mi 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.*