# Phosphor 3 vs AddStation

The clearest difference is update cadence: AddStation at weekly against Phosphor 3's every 11 months. AddStation also leads on ratings volume (43 vs 9) and device support (3 vs 1). Phosphor 3's advantage is price ($5.99 vs $8.99). On rating, review sentiment, ads and in-app purchases there is nothing between them.

Phosphor 3 costs $5.99 and AddStation $8.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Phosphor 3 holds the better App Store score, 4.7 against 4.5. Both are backed by a comparable volume of ratings — 9 and 43 respectively. Written reviews complicate that: 79% of Phosphor 3's written reviews are positive against 82% of AddStation's, so the app with the better star average is not the one people write more warmly about.

Phosphor 3 ships an update every 11 months, AddStation weekly. The most recent releases landed on September 27, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Phosphor 3 | AddStation |
| --- | --- | --- |
| Price | **$5.99** | $8.99 |
| Rating | **[4.7 (9 ratings)](https://appshunter.io/ios/app/phosphor-3/id1499115553/reviews)** | [4.5 (43 ratings)](https://appshunter.io/ios/app/addstation/id1500919657/reviews) |
| Number of ratings | 9 | **43** |
| Positive reviews | 78.6% of reviews | **82.1% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | **Weekly** |
| Monetization | Paid | Paid |
| Size | 27 MB | 133 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Audio Damage, Inc.](https://appshunter.io/developer/1248448317) | [Harry Gohs](https://appshunter.io/developer/382428644) |

## What reviewers say

### Phosphor 3

[App page](https://appshunter.io/ios/app/phosphor-3/id1499115553)

This app recreates a vintage digital synthesizer, offering a faithful emulation of a classic sound engine. It includes modern features like MPE, extensive modulation, and a new UI for sonic exploration.

**Highlights:** Vintage digital synthesizer emulation, Additive synthesis engine, MPE support, Extensive modulation routing, Preset manager, Tuning tables

**In-app purchases:** none


### AddStation

[App page](https://appshunter.io/ios/app/addstation/id1500919657)

Explore new sonic territories with this advanced additive synthesis tool. Create complex timbres by combining thousands of sine waves and unique morph sequencing. Integrate seamlessly with iOS production environments and enjoy a suite of built-in effects.

**Highlights:** Fractal additive synthesis, Sound morphing, Over 170 sound presets, AUv3 AudioUnit integration, Built-in effects suite, Audiobus 3 and Ableton Link support

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

**In-app purchases:** none


## Frequently asked questions

### Is Phosphor 3 free?

Phosphor 3 costs $5.99, with no in-app purchases.

### Is AddStation free?

AddStation costs $8.99, with no in-app purchases.

### Which has better reviews, Phosphor 3 or AddStation?

Phosphor 3 is rated higher. Phosphor 3 averages 4.7 out of 5 from 9 ratings, while AddStation averages 4.5 from 43 ratings.

### Do Phosphor 3 or AddStation have ads?

Neither Phosphor 3 nor AddStation shows ads.

### Which is updated more often, Phosphor 3 or AddStation?

Phosphor 3 ships an update every 11 months, and AddStation weekly. Most recently, Phosphor 3 was updated on September 27, 2026 and AddStation on October 9, 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.*