# Coastline vs AD

The clearest difference is price: AD at $6.99 against Coastline's $14.99. Coastline's advantage is rating (5.0 vs 4.7) and review sentiment (100% vs 86%). On ratings volume, update cadence, ads and in-app purchases there is nothing between them.

Coastline costs $14.99 and AD $6.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Coastline holds the better App Store score, 5.0 against 4.7. Both are backed by a comparable volume of ratings — 12 and 14 respectively. Written reviews point the same way: 100% of Coastline's written reviews are positive against 86% of AD's.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 24, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Coastline | AD |
| --- | --- | --- |
| Price | $14.99 | **$6.99** |
| Rating | **[5.0 (12 ratings)](https://appshunter.io/ios/app/coastline-audio-effect/id6780281953/reviews)** | [4.7 (14 ratings)](https://appshunter.io/ios/app/ad-202/id6795327427/reviews) |
| Number of ratings | 12 | **14** |
| Positive reviews | **100.0% of reviews** | 85.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Paid | Paid |
| Size | 71 MB | 74 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Aqeel Aadam](https://appshunter.io/developer/1724235864) | [Audio Damage, Inc.](https://appshunter.io/developer/1248448317) |

## What reviewers say

### 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


### AD

[App page](https://appshunter.io/ios/app/ad-202/id6795327427)

This app emulates a classic 1983 micro synthesizer with modern enhancements like MPE and eight-voice polyphony. It offers a rich sound engine with multiple oscillators, filters, and a comprehensive drive section for unique sonic textures. Enjoy extensive modulation options and a built-in keyboard for immediate creativity.

**Highlights:** Eight-voice polyphony, MPE support, Classic four-pole lowpass filter, Comprehensive drive section, AUv3 and standalone operation, Preset manager with favorites, Built-in chicklet keyboard

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Coastline free?

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

### Is AD free?

AD costs $6.99, with no in-app purchases.

### Which has better reviews, Coastline or AD?

Coastline is rated higher. Coastline averages 5.0 out of 5 from 12 ratings, while AD averages 4.7 from 14 ratings.

### Do Coastline or AD have ads?

Neither Coastline nor AD shows ads.

### Which is updated more often, Coastline or AD?

Coastline ships an update every 3 weeks, and AD every 3 weeks. Most recently, Coastline was updated on October 24, 2026 and AD on October 31, 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.*