# Holon vs Sounding Tides

The clearest difference is review sentiment: Holon at 75% against Sounding Tides's 0%. Sounding Tides's advantage is in-app purchases (none vs 2) and update cadence (every 2 days vs every 3 months). On price, ads and device support there is nothing between them.

Both are free to download. Holon sells 2 one-off in-app purchases. Sounding Tides asks for nothing beyond the download.

Holon ships an update every 3 months, Sounding Tides every 2 days. The most recent releases landed on October 3, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Holon | Sounding Tides |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (14 ratings)](https://appshunter.io/ios/app/holon/id1352687747/reviews)** | — |
| Number of ratings | **14** | — |
| Positive reviews | **75.0% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 days** |
| Monetization | Paid | **Free** |
| Size | 144 MB | 95 MB |
| Requires iOS | 12.0 | **9.0** |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Holonic Systems Oy](https://appshunter.io/developer/1172474856) | [Steve Berrick](https://appshunter.io/developer/523616836) |

## What reviewers say

### Holon

[App page](https://appshunter.io/ios/app/holon/id1352687747)

This app transforms your movement through cities into a dynamic, real-time musical score. It uses your physical location and activity to generate interactive synth music, encouraging outdoor exploration and turning listeners into performers.

**Highlights:** Human-powered music generation, Encourages outdoor activity, Zero UI for minimal distraction, Environmentally responsive music, Real-time synth music creation, Optional AirPods and Apple Watch integration

**Features:** Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Apple Watch support | Free | one-time |
| Movesense Support | Free | one-time |


### Sounding Tides

[App page](https://appshunter.io/ios/app/sounding-tides/id1612367567)

This app transforms 50 years of tidal data into an interactive musical experience. Users can manipulate sound layers, wave visuals, and data timelines to create unique sonic representations of tidal heights.

**Highlights:** Interactive musical composition, Translates tidal data into sound, Mix sound layers (sine wave, noise, piano), Adjust wave visuals, Scroll through 50 years of data, Create unique sonifications

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

**In-app purchases:** none


## Frequently asked questions

### Is Holon free?

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

### Is Sounding Tides free?

Sounding Tides is free to download, with no in-app purchases.

### Do Holon or Sounding Tides have ads?

Neither Holon nor Sounding Tides shows ads.

### Which is updated more often, Holon or Sounding Tides?

Holon ships an update every 3 months, and Sounding Tides every 2 days. Most recently, Holon was updated on October 3, 2026 and Sounding Tides on October 2, 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.*