# Phase Chimes vs Coastline

The clearest difference is price: Phase Chimes at $9.99 against Coastline's $14.99. Coastline's advantage is iOS requirement (13.0 vs 16.6). On rating, review sentiment, ratings volume and update cadence there is nothing between them.

Phase Chimes costs $9.99 and Coastline $14.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for Phase Chimes against 5.0 for Coastline. Both are backed by a comparable volume of ratings — 9 and 12 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Phase Chimes ships an update every 2 weeks, Coastline every 3 weeks. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Phase Chimes | Coastline |
| --- | --- | --- |
| Price | **$9.99** | $14.99 |
| Rating | [5.0 (9 ratings)](https://appshunter.io/ios/app/phase-chimes/id6751312171/reviews) | [5.0 (12 ratings)](https://appshunter.io/ios/app/coastline-audio-effect/id6780281953/reviews) |
| Number of ratings | 9 | **12** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Monetization | Paid | Paid |
| Size | 33 MB | 71 MB |
| Requires iOS | 16.6 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Kenneth Murphy](https://appshunter.io/developer/672833118) | [Aqeel Aadam](https://appshunter.io/developer/1724235864) |

## What reviewers say

### Phase Chimes

[App page](https://appshunter.io/ios/app/phase-chimes/id6751312171)

Create intricate musical compositions by linking gears to generate complex rhythms and melodies. Explore generative music ideas standalone or as a MIDI plugin within other music production apps.

**Highlights:** Generative rhythm and melody composition, AUv3 MIDI plugin support, Standalone app functionality, Adjustable gear parameters (size, angle, velocity), Composition snapshots and transitions, On-the-fly performance capabilities, Internal sound library

**In-app purchases:** none


### Coastline

[App page](https://appshunter.io/ios/app/coastline-audio-effect/id6780281953)

This app generates unique audio atmospheres and textures for music production. It uses additive and granular synthesis to add depth and character to tracks, offering extensive modulation and a dual-engine sustainer.

**Highlights:** Dual-engine audio sustainer, Additive and granular synthesis, Custom sample support, Intermodulation and advanced filtering, Extensive modulation options, Cross-platform preset sharing

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Phase Chimes free?

Phase Chimes costs $9.99, with no in-app purchases.

### Is Coastline free?

Coastline costs $14.99, with no in-app purchases.

### Which has better reviews, Phase Chimes or Coastline?

Phase Chimes and Coastline are both rated 5.0 out of 5 on the App Store, from 9 and 12 ratings respectively.

### Do Phase Chimes or Coastline have ads?

Neither Phase Chimes nor Coastline shows ads.

### Which is updated more often, Phase Chimes or Coastline?

Phase Chimes ships an update every 2 weeks, and Coastline every 3 weeks. Most recently, Phase Chimes was updated on October 30, 2026 and Coastline on October 31, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*