# WorldScales vs ChoirMate

The clearest difference is price: ChoirMate at Free against WorldScales's $19.99. ChoirMate also leads on update cadence (every 8 days vs every 2 months) and review sentiment (98% vs 75%). WorldScales's advantage is in-app purchases (none vs 1). On rating, ads, device support and iOS requirement there is nothing between them.

ChoirMate is free to download; WorldScales costs $19.99 up front. ChoirMate sells 1 in-app purchase, starting at $4.99 per month. WorldScales asks for nothing beyond the download.

ChoirMate holds the better App Store score, 4.8 against 4.7. That said, the two scores are not equally well evidenced: ChoirMate has 189 ratings behind it against 23, so its average is the more settled of the two. Written reviews point the same way: 75% of WorldScales's written reviews are positive against 98% of ChoirMate's.

WorldScales ships an update every 2 months, ChoirMate every 8 days. Both last shipped on October 29, 2026.

## The numbers

| Metric | WorldScales | ChoirMate |
| --- | --- | --- |
| Price | $19.99 | **Free** |
| Rating | [4.7 (23 ratings)](https://appshunter.io/ios/app/worldscales/id505034913/reviews) | **[4.8 (189 ratings)](https://appshunter.io/ios/app/choirmate/id1495545798/reviews)** |
| Number of ratings | 23 | **189** |
| Positive reviews | 74.5% of reviews | **98.1% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 8 days** |
| Monetization | Paid | **Freemium** |
| Size | 192 MB | 208 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Kelfar Technologies](https://appshunter.io/developer/505034916) | [Sounds Good](https://appshunter.io/developer/1596167390) |

## What reviewers say

### WorldScales

[App page](https://appshunter.io/ios/app/worldscales/id505034913)

Explore musical scales beyond equal temperament. Tune individual keys, experiment with diverse presets, and create your own tunings. Connect MIDI keyboards for a fully customizable microtonal music experience.

**Highlights:** Individual key tuning (+- 100 cents), 35+ high-quality sampled instruments, MIDI In for external keyboard control, Preset scales (Western, Byzantine, Oriental), Save custom scales and tunings, Frequency ratio, frequency, or cents input, Audio effects (reverb, compressor)

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

**In-app purchases:** none


### ChoirMate

[App page](https://appshunter.io/ios/app/choirmate/id1495545798)

This app helps choirs manage their activities, practice, and communication in one place. It offers features like set lists, audio files, sheet music, and a calendar. Designed for conductors, board members, and choir members, it aims to simplify choir organization and practice.

**Highlights:** Set lists, Audio file management, Sheet music access, Communication tools, Activity calendar, Self-practice features, File storage

**Features:** Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ChoirMate Premium | $4.99 | per month |

**What reviewers like**

- 🎶 Great for choir practice and organization
- 💬 Excellent communication and messaging features
- 📚 Convenient access to music, lyrics, and recordings
- 📆 Helpful calendar and event management
- 🤝 Brings choir members together

**What reviewers complain about**

- 🔒 No ability to add personal practice tracks
- 📱 Needs better mobile/car integration
- 📝 Inability to annotate sheet music

**Reported bugs**

- Notification issues
- Occasional crashes

**Requested features**

- Dark mode option
- Ability to annotate sheet music
- Improved mobile/car integration


## Frequently asked questions

### Is WorldScales free?

WorldScales costs $19.99, with no in-app purchases.

### Is ChoirMate free?

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

### Which has better reviews, WorldScales or ChoirMate?

ChoirMate is rated higher. WorldScales averages 4.7 out of 5 from 23 ratings, while ChoirMate averages 4.8 from 189 ratings.

### Do WorldScales or ChoirMate have ads?

Neither WorldScales nor ChoirMate shows ads.

### Which is updated more often, WorldScales or ChoirMate?

WorldScales ships an update every 2 months, and ChoirMate every 8 days. Most recently, WorldScales was updated on October 29, 2026 and ChoirMate 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.*