Comparison

Pitch Shift (Key Change) vs Analog Rack Delay

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

Head to head
About

Pitch Shift (Key Change)

This music player allows real-time pitch shifting and a 31-band equalizer. It supports AUv3 effects, loop playback, and exporting processed audio. Import audio files from other apps or your music library.

Highlights
  • Real-time pitch shifting
  • 31-band equalizer
  • AUv3 effects support
  • A-B loop playback
  • Center Cancel/Emphasis
  • Audio file export
  • Background playback
Read full description

[ Important Notice ] With this version (7.0.0), we are ending regular updates for this app. You can continue using this app, but future development and updates will continue in 'Audio Unit Player', which includes this app's functionality. 'Audio Unit Player' is a free app that supports both speed and pitch adjustment and includes a 31-band equalizer with no band restrictions. Data Transfer: File information registered in this app is not transferred automatically to 'Audio Unit Player'. Use the Files app to manually copy any files you need."; ================================================ This app is a music player that can process the following effects in real time. - Pitch shift (-1 ~ +1 octave) - 31 band equalizer (required In-App Purchase) - Reverb - AUv3 (Audio Unit v3) host If you play a musical instrument or sing a song, this app should be supported by you higher / lower the pitch. [Function] - Perform pitch shift in real time (-12 - +12). - 31 bands EQ (Hz: 20, 25, 31.5, 40, 50, 63, 80, 100, 125, 160, 200, 250, 315, 400, 500, 630, 800, 1k, 1.25k, 1.6k, 2k, 2.5k, 3.15k, 4k, 5k, 6.3k, 8k, 10k, 12.5k, 16k, 20k). (Initiality, only 3 bands are available. It's possible to use 31 bands by In-App Purchase.) - EQ preset (Abundant Built-in Presets / Custom Presets) (required In-App Purchase). - Reverb: Adjustable decay time (Low freq, High freq) / 13 presets - Reverb preset (Built-in Presets / Custom Presets) - Can be used as an AUv3 host. - A-B loop playback. - Center Cancel / Center Emphasis. - Lch, Rch each mute. - Quick fast forward, rewind (specify the number of seconds). - Check and set current position graphically in wave view. - Supports Auto-Lock ON/OFF. - Supports background playback. - Supports export (file writing) function (Each effect (pitch/EQ) value set for each song is also reflected. The range specified in the loop section is output.) In addition to loading music data included in the standard "music" app, it also supports the function to import audio files from other apps ("Voice Memos" etc.). [How to import from "Voice Memos"] 1. Start the app "Voice Memos" and tap the mark "..." of the file to be imported from the list. 2. Tap "Share" on the sheet displayed from the bottom. 3. Tap "More" found by scrolling the displayed list of sharing destination apps to the right. 4. Select "Pitch Shift" if available. The file is copied to this app. ================================================ [Note 1] This application will not be able to read songs of the following formats. - Songs from Apple Music, iCloud, iTunes Match - Songs that are protected by digital copyright (DRM) [Note 2] Depending on the state of your device, your custom AUv3 effects may not appear in the list. As a solution, you can solve the problem by starting "GarageBand" once and restarting this app. ================================================

About

Analog Rack Delay

This audio plugin offers the powerful delay algorithms of Nembrini Audio in a user-friendly package. It features BPM sync, a stereo spread circuit, and a rich analog tube preamp for unique signal coloration. Use it as a standalone app or within other music production software.

Highlights
  • Analog delay algorithms
  • BPM Sync
  • Stereo spread circuit
  • Tube preamp coloration
  • Standalone app
  • AudioUnit v3 effect
  • Inter-App Audio effect
Features
Read full description

The Analog Rack Delay plugin is the power of Nembrini Audio’s delay algorithms in a simple package! BPM Sync, stereo spread circuit and a very juicy sound! Nembrini Audio has taken the guitarists most preferred analog and digital effect pedals and has repacked it in new rack style plugins easy to use and extremely powerful at the same time, with the addition of a custom design tube preamp virtual circuit which gives color to the signal in a very special way. Just insert the Analog Rack Delay plugin in your tracks to hear its beautiful analog tube coloration! Works as a standalone app, AudioUnit v3 effect, or Inter-App Audio effect

Screenshots

Pitch Shift (Key Change)2 screens
Analog Rack Delay1 screens

Verdict

The call

The clearest difference is review sentiment: Analog Rack Delay at 100% against Pitch Shift (Key Change)'s 50%. Analog Rack Delay also leads on in-app purchases (none vs 2) and ads (none vs shown). Pitch Shift (Key Change)'s advantage is update cadence (every 2 months vs every 5 months). On price, ratings volume, 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

Both are free to download. Pitch Shift (Key Change) sells 2 one-off in-app purchases. Analog Rack Delay asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Analog Rack Delay holds the better App Store score, 4.8 against 4.4. Both are backed by a comparable volume of ratings — 85 and 32 respectively. Written reviews point the same way: 50% of Pitch Shift (Key Change)'s written reviews are positive against 100% of Analog Rack Delay's.

UpkeepUpdate frequency

Pitch Shift (Key Change) ships an update every 2 months, Analog Rack Delay every 5 months. The most recent releases landed on October 22, 2026 and October 24, 2026 respectively.

Scorecard5 real differences · 5 level
Pitch Shift (Key Change) versus Analog Rack Delay: the parameters behind the verdict, then further details
ParameterPitch Shift (Key Change)Analog Rack Delay
PriceFreeFree
Rating4.4 (85 ratings)4.8 (32 ratings) — better
Positive reviews50.0% of reviews100.0% of reviews — better
Number of ratings85 — better32
Update frequencyEvery 2 months — betterEvery 5 months
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.015 — better
Further details — not scored
Size5 MB25 MB
Age rating4+4+
DeveloperLoop-Sessions.LLC.Nembrini Audio

Customer experience

Pitch Shift (Key Change)

All ratings85 ratings
Positive83.5%
Neutral3.5%
Negative12.9%
Written reviews62 reviews
Positive50.0%
Neutral12.9%
Negative37.1%

Analog Rack Delay

All ratings32 ratings
Positive96.9%
Neutral0.0%
Negative3.1%
Written reviews8 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

2 purchases

Pitch Shift (Key Change)

One-time2
  • 31 bands equalizer$0.99
  • Always remove banner ads.$2.99
None

Analog Rack Delay

No in-app purchases

Questions

Is Pitch Shift (Key Change) free?
Pitch Shift (Key Change) is free to download, with in-app purchases available.
Is Analog Rack Delay free?
Analog Rack Delay is free to download, with no in-app purchases.
Which has better reviews, Pitch Shift (Key Change) or Analog Rack Delay?
Analog Rack Delay is rated higher. Pitch Shift (Key Change) averages 4.4 out of 5 from 85 ratings, while Analog Rack Delay averages 4.8 from 32 ratings.
Do Pitch Shift (Key Change) or Analog Rack Delay have ads?
Pitch Shift (Key Change) shows ads; Analog Rack Delay does not.
Which is updated more often, Pitch Shift (Key Change) or Analog Rack Delay?
Pitch Shift (Key Change) ships an update every 2 months, and Analog Rack Delay every 5 months. Most recently, Pitch Shift (Key Change) was updated on October 22, 2026 and Analog Rack Delay on October 24, 2026.

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