# AddStation vs MIDI World

The clearest difference is review sentiment: AddStation at 82% against MIDI World's 0%. AddStation also leads on rating (4.5 vs 2.0) and update cadence (weekly vs every 7 months). MIDI World's advantage is price ($0.99 vs $8.99). On ads, in-app purchases, monetization model and device support there is nothing between them.

AddStation costs $8.99 and MIDI World $0.99 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 2.0. That said, the two scores are not equally well evidenced: AddStation has 42 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 82% of AddStation's written reviews are positive against 0% of MIDI World's.

AddStation ships an update weekly, MIDI World every 7 months. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | AddStation | MIDI World |
| --- | --- | --- |
| Price | $8.99 | **$0.99** |
| Rating | **[4.5 (42 ratings)](https://appshunter.io/ios/app/addstation/id1500919657/reviews)** | [2.0 (1 ratings)](https://appshunter.io/ios/app/midi-world/id6761638710/reviews) |
| Number of ratings | **42** | 1 |
| Positive reviews | **82.1% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 7 months |
| Monetization | Paid | Paid |
| Size | 133 MB | 14 MB |
| Requires iOS | **12.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Harry Gohs](https://appshunter.io/developer/382428644) | [Los Palmos](https://appshunter.io/developer/1889993325) |

## What reviewers say

### 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


### MIDI World

[App page](https://appshunter.io/ios/app/midi-world/id6761638710)

Transform device sensors and real-world data into MIDI control and musical notes. Create multitrack recordings, adjust performances with per-track controls, and export to any DAW. Connect environmental data to your music.

**Highlights:** Sensor-to-MIDI mapping, Real-world data integration, Multitrack recording, Per-track performance controls, Standard MIDI File export, Optional audio export, Preset and theme customization

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

**In-app purchases:** none


## Frequently asked questions

### Is AddStation free?

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

### Is MIDI World free?

MIDI World costs $0.99, with no in-app purchases.

### Which has better reviews, AddStation or MIDI World?

AddStation is rated higher. AddStation averages 4.5 out of 5 from 42 ratings, while MIDI World averages 2.0 from 1 ratings.

### Do AddStation or MIDI World have ads?

Neither AddStation nor MIDI World shows ads.

### Which is updated more often, AddStation or MIDI World?

AddStation ships an update weekly, and MIDI World every 7 months. Most recently, AddStation was updated on October 24, 2026 and MIDI World on October 25, 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.*