Comparison

VAPolyMT vs Delay Line

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

Head to head
About

VAPolyMT

This powerful synthesizer app offers bi-timbral polyphony with analog-style sequencers and assignable macro controls. It functions as a standalone application or an AudioUnit Extension, supporting MIDI, Ableton Link, and audio export. Project files are savable via iCloud Drive for cross-platform access.

Highlights
  • Bi-timbral polyphonic synthesizer
  • Analog-style step sequencer per timbre
  • Assignable macro controls
  • AudioUnit Extension (AUv3) support
  • Ableton Link and MIDI support
  • iCloud Drive project sharing
  • Built-in effects and piano roll editor
Features
Read full description

VAPolyMT is a bi-timbral polyphonic synthesizer for iPhone, iPad and Mac. It features analog style step sequencer per timbre and assignable macro controls. It operates as a stand alone or as an AudioUnit Extension (AUv3). Stand Alone supports Ableton Link, MIDI and audio file export. Each synthesizer consists of two oscillators, mixer, resonant low pass filter, resonant hight pass filter and amplifier. The synthesizers can be layered or can be split. Built-in Effects include delay, chorus, flanger, reverb, eq and compressor. VAPolyMT also includes sequencer which features piano roll editor and parameter automation. Project files can be saved in iCloud Drive, so that the project can be accessed from iPhone, iPad or Mac. Main Features Bi-timbral polyphonic subtractive synthesizer. Analog Style Step Sequencer per timbre. Eight Assignable Controllers. Maximum 8 voice polyphony. it depends on performance of the device it is running. Built-in effects and piano roll sequencer. Support Audio Unit Extension (AUv3). Support MIDI 2.0. Support Foot Pedal and Per Note Control. Works on iPhone, iPad and Mac. Support iCloud Drive to share project files between the platforms. Audio Export. Linear PCM format (AIFF, WAV and CAF) and compressed format (AAC) Support Ableton Link, Bluetooth MIDI, MIDI In / Out. Include more than 200 Factory Presets. Improvements Support MIDI Foot Pedal (CC#11, CC#64) Support MIDI2.0 Per Note Control Messages MIDI CC Settings are saved. It will be recovered when the app launched in the next time. System Requirements iOS 17.0 or later macOS 14.0 or later Devices with Apple Silicon are recommended. A13 Fusion or above is highly recommended. if sound is distorted when using a device with less CPU power, reduce number of voices. AudioUnit Extension (AUv3) requires host application which support AudioUnit Extension. AudioUnit Extension is supported by Apple Logic and Apple Garage Band on iOS and macOS. For any other DAW, it depends on the application and some of them don’t support AudioUnit Extension.

About

Delay Line

This audio effect app offers a high-quality digital delay with smooth parameter control for musical echoes. It's designed to add depth and space to your sound without unwanted noise.

Highlights
  • High-quality digital delay
  • Smooth parameter interpolation
  • Feedback control
  • Musical echoes
  • Linear interpolation for delay time
  • Comprehensive parameter smoothing
Features
Read full description

A high-quality digital delay effect with smooth parameter interpolation and feedback control. This delay provides clean, musical echoes perfect for adding depth and space to your audio. The delay uses linear interpolation for smooth delay time changes and includes comprehensive parameter smoothing to eliminate zipper noise during real-time parameter adjustments.

Screenshots

VAPolyMT4 screens
Delay Line4 screens

Verdict

The call

The clearest difference is price: Delay Line at $1.99 against VAPolyMT's $14.99. On rating, ratings volume, ads and in-app purchases 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

VAPolyMT costs $14.99 and Delay Line $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for VAPolyMT against 5.0 for Delay Line. Both are backed by a comparable volume of ratings — 4 and 2 respectively.

Scorecard1 real difference · 8 level
VAPolyMT versus Delay Line: the parameters behind the verdict, then further details
ParameterVAPolyMTDelay Line
Price$14.99$1.99 — better
Rating5.0 (4 ratings)5.0 (2 ratings)
Number of ratings4 — better2
Update frequencyEvery 11 months—
AdsNoNo
In-app purchasesNoNo
MonetizationPaidPaid
DevicesiPhone, iPad, Mac — betteriPhone, iPad
Requires iOS16.6 — better17.0
Further details — not scored
Size18 MB7 MB
Age rating4+4+
DeveloperRyo TogawaCallback Audio, LLC

Customer experience

VAPolyMT

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Delay Line

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

VAPolyMT

No in-app purchases

None

Delay Line

No in-app purchases

Questions

Is VAPolyMT free?
VAPolyMT costs $14.99, with no in-app purchases.
Is Delay Line free?
Delay Line costs $1.99, with no in-app purchases.
Which has better reviews, VAPolyMT or Delay Line?
VAPolyMT and Delay Line are both rated 5.0 out of 5 on the App Store, from 4 and 2 ratings respectively.
Do VAPolyMT or Delay Line have ads?
Neither VAPolyMT nor Delay Line shows ads.

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