Comparison

NYCompressor vs KeyBridge for DJs

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

NYCompressor

A professional audio compressor plugin for iOS devices, offering versatile dynamics management for music production. It supports various hosts and provides features like sidechaining and parallel compression for achieving desired mix effects.

Highlights
  • Compression ratio up to 1:10
  • Optional key signal filtering
  • True sidechaining
  • Hard/soft knee
  • Parallel (New York) compression
  • Independent L/R or Mid/Side compression
Features
Read full description

A professional compressor plugin for iOS. Compatible with Garageband, Cubasis, AuriaPro and other AUv3 or Inter App Audio compatible hosts. The NYCompressor is the ideal workhorse when it comes to dynamics management in a mix. From gentle compression for glueing your mix together to heavy drum compression for the ultimate punch: NYCompressor can do it all. Features: – Compression ratio up to 1:10. – Optional key signal filtering. – True sidechaining (4 inputs, needs to be supported by host) – Hard/soft knee. – Parallel (New York) compression. – Independent L/R or Mid/Side compression. Planned, designed and lovingly handcrafted by DDMF, a renowned audio software company from Southern Germany.

About

KeyBridge for DJs

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
Read full description

Stop guessing which track to play next. KeyBridge is the key reference tool built for DJs who want their sets to sound more polished - without memorizing music theory. Here's what the smoothest DJ sets have in common: the tracks share compatible keys. When the next track flows musically from the last one, every transition feels right. When it doesn't, something feels off - even if you can't explain why. KeyBridge gives you the rule in one tap. --- HOW IT WORKS --- Pick the key of your current track. KeyBridge instantly shows you three ways to go next: ENERGY BOOST - Lift the crowd. Same energy family, step up. MAJ / MIN - Switch the mood. Same root, flip the feel. CALM DOWN - Bring it down. Same energy family, step down. Tap any suggestion to jump there. Chain transitions. Plan your whole set in minutes. --- WHY DJs LOVE IT --- - Works 100% offline - no signal, no lag on stage - Zero learning curve - tap and go, even mid-set - Full 24-key wheel (12 major + 12 minor) - Built for speed - 15-second auto-return keeps you focused - Haptic feedback - feel the response in your palm - Designed to disappear in the booth - dark interface keeps your eyes adjusted and the atmosphere intact - Retro DJ-hardware aesthetic that looks right next to your gear - iPhone and iPad - use it in the booth, the bedroom, or the bus --- WHO IT'S FOR --- Beginners: Finally understand why some transitions work and others don't. Build your first key-matched set with confidence. Intermediate DJs: Stop relying on memory during live sets. Read the crowd, not your notes. Producers & Remixers: Find compatible keys for mashups, bootlegs, and edits in seconds. --- FREE AND PRO --- KeyBridge is free to download. Free includes the full 24-key wheel, the three core moves (Energy Boost, Relative, Calm Down), the Spectrum Drive theme and Keep Screen Awake. KeyBridge Pro is a one-time purchase that adds the advanced moves (Diagonal -1 / +1, +5, +7), all three colour themes and every auto-return option. No subscription. --- THE PROMISE --- Follow KeyBridge's suggestions for one set. You'll hear the difference immediately. Your transitions will feel tighter, your energy arcs will land, and the dancefloor will stay with you longer. This isn't a theory app. It's a live-performance companion. --- Built by a working DJ for working DJs. No ads. No subscriptions. No data collection. Ever.

Screenshots

NYCompressor1 screens
KeyBridge for DJs4 screens

Verdict

The call

The clearest difference is price: KeyBridge for DJs at Free against NYCompressor's $9.99. KeyBridge for DJs also leads on rating (5.0 vs 3.8) and update cadence (every 2 months vs every 6 months). NYCompressor's advantage is ratings volume (15 vs 1) and iOS requirement (9.3 vs 26.2). On ads, in-app purchases, monetization model and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

KeyBridge for DJs is free to download; NYCompressor costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

KeyBridge for DJs holds the better App Store score, 5.0 against 3.8. That said, the two scores are not equally well evidenced: NYCompressor has 15 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

NYCompressor ships an update every 6 months, KeyBridge for DJs every 2 months. The most recent releases landed on October 7, 2026 and October 10, 2026 respectively.

Scorecard5 real differences · 5 level
NYCompressor versus KeyBridge for DJs: the parameters behind the verdict, then further details
ParameterNYCompressorKeyBridge for DJs
Price$9.99Free — better
Rating3.8 (15 ratings)5.0 (1 ratings) — better
Positive reviews50.0% of reviews—
Number of ratings15 — better1
Update frequencyEvery 6 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidPaid
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS9.3 — better26.2
Further details — not scored
Size17 MB5 MB
Age rating4+4+
DeveloperChristian SiedschlagTomocreate, Inc.

Customer experience

NYCompressor

All ratings15 ratings
Positive60.0%
Neutral20.0%
Negative20.0%
Written reviews4 reviews
Positive50.0%
Neutral25.0%
Negative25.0%

KeyBridge for DJs

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

NYCompressor

No in-app purchases

None

KeyBridge for DJs

No in-app purchases

Questions

Is NYCompressor free?
NYCompressor costs $9.99, with no in-app purchases.
Is KeyBridge for DJs free?
KeyBridge for DJs is free to download, with no in-app purchases.
Which has better reviews, NYCompressor or KeyBridge for DJs?
KeyBridge for DJs is rated higher. NYCompressor averages 3.8 out of 5 from 15 ratings, while KeyBridge for DJs averages 5.0 from 1 ratings.
Do NYCompressor or KeyBridge for DJs have ads?
Neither NYCompressor nor KeyBridge for DJs shows ads.
Which is updated more often, NYCompressor or KeyBridge for DJs?
NYCompressor ships an update every 6 months, and KeyBridge for DJs every 2 months. Most recently, NYCompressor was updated on October 7, 2026 and KeyBridge for DJs on October 10, 2026.

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