# VAPolyMT vs Delay Line

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.

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

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.

## The numbers

| Metric | VAPolyMT | Delay Line |
| --- | --- | --- |
| Price | $14.99 | **$1.99** |
| Rating | [5.0 (4 ratings)](https://appshunter.io/ios/app/vapolymt/id6743886961/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/delay-line/id6776276739/reviews) |
| Number of ratings | **4** | 2 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | — |
| Monetization | Paid | Paid |
| Size | 18 MB | 7 MB |
| Requires iOS | **16.6** | 17.0 |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ryo Togawa](https://appshunter.io/developer/1474193056) | [Callback Audio, LLC](https://appshunter.io/developer/1896220942) |

## What reviewers say

### VAPolyMT

[App page](https://appshunter.io/ios/app/vapolymt/id6743886961)

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:** Vision Pro support

**In-app purchases:** none


### Delay Line

[App page](https://appshunter.io/ios/app/delay-line/id6776276739)

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:** Vision Pro support

**In-app purchases:** none


## Frequently asked 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.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*