# 417 Player Plus vs KeyBridge for DJs

The clearest difference is update cadence: KeyBridge for DJs at every 2 months against 417 Player Plus's every 4 months. 417 Player Plus's advantage is iOS requirement (15.6 vs 26.2). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. 417 Player Plus sells 11 one-off in-app purchases and KeyBridge for DJs sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

417 Player Plus ships an update every 4 months, KeyBridge for DJs every 2 months. The most recent releases landed on October 28, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 417 Player Plus | KeyBridge for DJs |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/keybridge-for-djs/id6763512227/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | — | Paid |
| Size | 79 MB | 5 MB |
| Requires iOS | **15.6** | 26.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [SYQEL INC](https://appshunter.io/developer/1671066431) | [Tomocreate, Inc.](https://appshunter.io/developer/1895224165) |

## What reviewers say

### 417 Player Plus

[App page](https://appshunter.io/ios/app/417-player-plus/id6739763242)

**Features:** Family Sharing, Siri integration

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited 417 Hz retuning forever. | $19.99 | one-time |
| Frequency - 741 Hz | $19.99 | one-time |
| Frequency - 852 Hz | $19.99 | one-time |
| Frequency - 285 Hz | $19.99 | one-time |
| Frequency - 432 Hz | $19.99 | one-time |
| Frequency - 528 Hz | $19.99 | one-time |
| Frequency - 639 Hz | $19.99 | one-time |
| Frequency - 963 Hz | $19.99 | one-time |
| Frequency - 396 Hz | $19.99 | one-time |
| Solfeggio Core Bundle | $59.99 | one-time |
| All Frequencies | $99.99 | one-time |


### 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 |


## Frequently asked questions

### Is 417 Player Plus free?

417 Player Plus is free to download, with in-app purchases available.

### Is KeyBridge for DJs free?

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

### Do 417 Player Plus or KeyBridge for DJs have ads?

Neither 417 Player Plus nor KeyBridge for DJs shows ads.

### Which is updated more often, 417 Player Plus or KeyBridge for DJs?

417 Player Plus ships an update every 4 months, and KeyBridge for DJs every 2 months. Most recently, 417 Player Plus was updated on October 28, 2026 and KeyBridge for DJs 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.*