# SL Tune vs ABDCTN

The clearest difference is update cadence: ABDCTN at daily against SL Tune's weekly. ABDCTN also leads on price ($3.99 vs $7.99). SL Tune's advantage is iOS requirement (15.0 vs 18.0). On rating, ratings volume, ads and in-app purchases there is nothing between them.

SL Tune costs $7.99 and ABDCTN $3.99 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 SL Tune against 5.0 for ABDCTN. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

SL Tune ships an update weekly, ABDCTN daily. The most recent releases landed on October 15, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | SL Tune | ABDCTN |
| --- | --- | --- |
| Price | $7.99 | **$3.99** |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/sl-tune/id6797349071/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/abdctn/id6807870665/reviews) |
| Number of ratings | 1 | **2** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Weekly | **Daily** |
| Monetization | Paid | Paid |
| Size | 17 MB | 2 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 9+ |
| Developer | [VIACHESLAV ZHILTSOV](https://appshunter.io/developer/1862005860) | [LASZLO DOBROVOLSZKI](https://appshunter.io/developer/6779159106) |

## What reviewers say

### SL Tune

[App page](https://appshunter.io/ios/app/sl-tune/id6797349071)

This app offers vocal pitch and tone effects for iPad, providing quick corrective or creative processing. It features fast pitch correction, modern vocal tone shaping, and mix control for flexible audio manipulation. It supports AUv3 for integration with compatible music hosts.

**Highlights:** Fast pitch correction, Modern vocal tone shaping, Mix control, Factory and user presets, AUv3 support

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### ABDCTN

[App page](https://appshunter.io/ios/app/abdctn/id6807870665)

This app generates classic sci-fi synthesizer sounds live from oscillators, filters, and envelopes. Interact with a visual farm interface where elements control sound parameters. Create unique sounds by bending, stretching, and rebuilding them.

**Highlights:** Live sound generation, Visual instrument interface, Interactive sound manipulation, Customizable oscillators and filters, Automated sound sequencing, AUv3 instrument support

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is SL Tune free?

SL Tune costs $7.99, with no in-app purchases.

### Is ABDCTN free?

ABDCTN costs $3.99, with no in-app purchases.

### Which has better reviews, SL Tune or ABDCTN?

SL Tune and ABDCTN are both rated 5.0 out of 5 on the App Store, from 1 and 2 ratings respectively.

### Do SL Tune or ABDCTN have ads?

Neither SL Tune nor ABDCTN shows ads.

### Which is updated more often, SL Tune or ABDCTN?

SL Tune ships an update weekly, and ABDCTN daily. Most recently, SL Tune was updated on October 15, 2026 and ABDCTN on October 19, 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.*