# KeyBridge for DJs vs What About Phase?

The clearest difference is monetization model: What About Phase? at free against KeyBridge for DJs's paid. What About Phase? also leads on update cadence (daily vs every 2 months) and iOS requirement (15.0 vs 26.2). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. KeyBridge for DJs sells 1 one-off in-app purchase and What About Phase? sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for KeyBridge for DJs against 5.0 for What About Phase?. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

KeyBridge for DJs ships an update every 2 months, What About Phase? daily. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | KeyBridge for DJs | What About Phase? |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/keybridge-for-djs/id6763512227/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/what-about-phase/id6785542900/reviews) |
| Number of ratings | 1 | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Daily** |
| Monetization | Paid | **Free** |
| Size | 5 MB | 21 MB |
| Requires iOS | 26.2 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Tomocreate, Inc.](https://appshunter.io/developer/1895224165) | [Vladimir Gusev](https://appshunter.io/developer/963910848) |

## What reviewers say

### KeyBridge for DJs

[App page](https://appshunter.io/ios/app/keybridge-for-djs/id6763512227)

This tool helps DJs create smoother transitions by suggesting compatible musical keys for their next track. It offers three distinct transition types: energy boost, mood switch, and calm down, all accessible with a single tap. Designed for live performance, it works offline and features a minimalist interface.

**Highlights:** Suggests compatible musical keys, Three transition types: energy boost, maj/min, calm down, Works 100% offline, Zero learning curve for mid-set use, Full 24-key wheel, Dark interface for booth visibility, Haptic feedback

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| KeyBridge Pro | $2.99 | one-time |


### What About Phase?

[App page](https://appshunter.io/ios/app/what-about-phase/id6785542900)

Record short audio clips and transform them into evolving, hypnotic soundscapes. This pocket instrument uses phasing and other processes to create unique, unfolding audio patterns from simple sounds.

**Highlights:** Audio recording and looping, Ten distinct audio processes, Radial display of sound patterns, On-device pitch detection, Save, share, and revert recordings, Live control over audio parameters

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Version | $0.99 | one-time |
| Pro | $3.99 | one-time |


## Frequently asked questions

### Is KeyBridge for DJs free?

KeyBridge for DJs is free to download, with in-app purchases available.

### Is What About Phase? free?

What About Phase? is free to download, with in-app purchases available.

### Which has better reviews, KeyBridge for DJs or What About Phase??

KeyBridge for DJs and What About Phase? are both rated 5.0 out of 5 on the App Store, from 1 and 2 ratings respectively.

### Do KeyBridge for DJs or What About Phase? have ads?

Neither KeyBridge for DJs nor What About Phase? shows ads.

### Which is updated more often, KeyBridge for DJs or What About Phase??

KeyBridge for DJs ships an update every 2 months, and What About Phase? daily. Most recently, KeyBridge for DJs was updated on October 25, 2026 and What About Phase? on October 28, 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.*