# Keep Sorting vs Resonance

The clearest difference is in-app purchases: Keep Sorting at none against Resonance's 1. Keep Sorting also leads on ratings volume (12 vs 1) and device support (3 vs 1). Resonance's advantage is update cadence (every 9 days vs every 6 months) and rating (5.0 vs 4.8). On price and ads there is nothing between them.

Both are free to download. Resonance sells 1 one-off in-app purchase. Keep Sorting asks for nothing beyond the download.

Resonance holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Keep Sorting has 12 ratings behind it against 1, so its average is the more settled of the two.

Keep Sorting ships an update every 6 months, Resonance every 9 days. The most recent releases landed on October 5, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Keep Sorting | Resonance |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (12 ratings)](https://appshunter.io/ios/app/keep-sorting/id6480009875/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/resonance-tuning-toy/id6791256326/reviews)** |
| Number of ratings | **12** | 1 |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 6 months | **Every 9 days** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 102 MB | 4 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [Rocketship Studios LLP](https://appshunter.io/developer/1456752660) | [Dialed Development LLC](https://appshunter.io/developer/6776397599) |

## What reviewers say

### Keep Sorting

[App page](https://appshunter.io/ios/app/keep-sorting/id6480009875)

A casual puzzle game where players slide and release to throw stacks of colored disks. Match disks of the same color to sort them and collect them by matching ten or more. Enjoy a simple yet engaging sorting experience.

**Highlights:** Slide and release controls, Match same-colored disks, Collect disks by matching 10+, Simple gameplay mechanics, Engaging puzzle challenges

**Features:** macOS Compatibility

**In-app purchases:** none


### Resonance

[App page](https://appshunter.io/ios/app/resonance-tuning-toy/id6791256326)

A tranquil puzzle game where you align rings of light to create harmonious chords and intricate mandalas. Experience a calming sensory journey with audio, haptic feedback, and visuals working in unison. Collect unique blooms and replay melodies without pressure or failure.

**Highlights:** Align rings of light, Harmonious chord creation, Haptic and audio feedback, Mandala gallery, Daily unique frequencies, No timers or scores

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $3.99 | one-time |


## Frequently asked questions

### Is Keep Sorting free?

Keep Sorting is free to download, with no in-app purchases.

### Is Resonance free?

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

### Which has better reviews, Keep Sorting or Resonance?

Resonance is rated higher. Keep Sorting averages 4.8 out of 5 from 12 ratings, while Resonance averages 5.0 from 1 ratings.

### Do Keep Sorting or Resonance have ads?

Both Keep Sorting and Resonance show ads.

### Which is updated more often, Keep Sorting or Resonance?

Keep Sorting ships an update every 6 months, and Resonance every 9 days. Most recently, Keep Sorting was updated on October 5, 2026 and Resonance on October 1, 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.*