# Do Re Mi vs Quadrim

The clearest difference is in-app purchases: Do Re Mi at none against Quadrim's 2. Do Re Mi also leads on iOS requirement (12.0 vs 15.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Quadrim sells 2 in-app purchases, starting at $2.99 per year. Do Re Mi asks for nothing beyond the download.

Do Re Mi ships an update every 2 weeks, Quadrim fortnightly. The most recent releases landed on October 30, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Do Re Mi | Quadrim |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (170 ratings)](https://appshunter.io/ios/app/do-re-mi-fun-challenges/id6737718664/reviews)** | — |
| Number of ratings | **170** | — |
| Positive reviews | 14.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Fortnightly** |
| Monetization | Free | — |
| Size | 50 MB | 22 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Salma HBIBI OUALI](https://appshunter.io/developer/1770521362) | [Edwin Vermeer](https://appshunter.io/developer/1029974512) |

## What reviewers say

### 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


### Quadrim

[App page](https://appshunter.io/ios/app/quadrim/id6804034367)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited daily games | $2.99 | per year |
| Unlock every opponent | $3.99 | one-time |


## Frequently asked questions

### Is Do Re Mi free?

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

### Is Quadrim free?

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

### Do Do Re Mi or Quadrim have ads?

Neither Do Re Mi nor Quadrim shows ads.

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

Do Re Mi ships an update every 2 weeks, and Quadrim fortnightly. Most recently, Do Re Mi was updated on October 30, 2026 and Quadrim on October 29, 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.*