# SpringSound vs AddStation

The clearest difference is update cadence: AddStation at weekly against SpringSound's every 9 months. AddStation also leads on rating (4.5 vs 4.2) and review sentiment (82% vs 72%). SpringSound's advantage is price ($2.99 vs $8.99). On ratings volume, ads, in-app purchases and monetization model there is nothing between them.

SpringSound costs $2.99 and AddStation $8.99 up front. Neither carries in-app purchases, so what you see is what you pay.

AddStation holds the better App Store score, 4.5 against 4.2. Both are backed by a comparable volume of ratings — 19 and 43 respectively. Written reviews point the same way: 72% of SpringSound's written reviews are positive against 82% of AddStation's.

SpringSound ships an update every 9 months, AddStation weekly. The most recent releases landed on September 16, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | SpringSound | AddStation |
| --- | --- | --- |
| Price | **$2.99** | $8.99 |
| Rating | [4.2 (19 ratings)](https://appshunter.io/ios/app/springsound/id866583243/reviews) | **[4.5 (43 ratings)](https://appshunter.io/ios/app/addstation/id1500919657/reviews)** |
| Number of ratings | 19 | **43** |
| Positive reviews | 72.2% of reviews | **82.1% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Weekly** |
| Monetization | Paid | Paid |
| Size | 30 MB | 133 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Christophe Duquesne](https://appshunter.io/developer/647714834) | [Harry Gohs](https://appshunter.io/developer/382428644) |

## What reviewers say

### SpringSound

[App page](https://appshunter.io/ios/app/springsound/id866583243)

This app is a physical-modeling audio synthesizer that simulates sound through the interaction of springs, masses, and activators. It offers detailed control over various physical parameters and comes with a large library of presets. It can be used as a sound generator or effect, and supports MIDI and expressive controllers.

**Highlights:** Physical modeling sound synthesis, Detailed control of physical parameters, Large set of sound presets, Audio-In effect capability, MIDI and MPE support, iOS Continuum Remote integration

**Features:** macOS Compatibility

**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 SpringSound free?

SpringSound costs $2.99, with no in-app purchases.

### Is AddStation free?

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

### Which has better reviews, SpringSound or AddStation?

AddStation is rated higher. SpringSound averages 4.2 out of 5 from 19 ratings, while AddStation averages 4.5 from 43 ratings.

### Do SpringSound or AddStation have ads?

Neither SpringSound nor AddStation shows ads.

### Which is updated more often, SpringSound or AddStation?

SpringSound ships an update every 9 months, and AddStation weekly. Most recently, SpringSound was updated on September 16, 2026 and AddStation on September 8, 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.*