# Stellr

> Pitch-shifter, delay, and reverb audio effect for ethereal soundscapes. (iPhone/iPad app by BACKPULLVER SOFTWARE LTD OOD.)

- Source: https://appshunter.io/ios/app/stellr/id1448350913 (this page in markdown: same URL + `.md`)
- Developer: [BACKPULLVER SOFTWARE LTD OOD](https://appshunter.io/developer/1035157788)
- Category: Music, Entertainment
- Price: $4.99
- Rating: 3.44/5 from 9 App Store ratings · 3 written reviews indexed
- Age rating: 4+
- Requires: iOS 12.0 · 26 MB
- Languages: English
- Released: 2019-04-26
- Data updated: 2026-06-09
- Monetization: paid
- User reviews in markdown: https://appshunter.io/ios/app/stellr/id1448350913/reviews.md

## What is Stellr?

Stellr is a pitch-shifter/delay/reverb sound processor aimed to recreate the classic shimmer effect. It makes deep ethereal ambiance on top of your sound, providing you with a wide variety of sonic possibilities. Add a new dimension to your music.

The effect features 20 ready to use presets which can be shared between devices as well as randomize button for endless variations.

When loaded as Audio Unit effect, all parameters can be automated via host app.

Stellr main features:
– Pitch shifter which can be fine-tuned or snapped to semitone
– Two separate delays for creating a complex feedback effect
– LFO modulation and different types of reverb
– Set pre-gain and dry/wet levels
– Audio Unit Extension support
– 20 built-in presets
– Low-pass and High-pass filters
– Ability to save and randomize parameters
– Import and export of user presets
– Realtime frequency spectrum visualizer

## Key features

- Pitch shifter with fine-tuning or semitone snap
- Two independent delays for complex feedback
- LFO modulation and various reverb types
- Pre-gain and dry/wet level control
- Audio Unit Extension, Audiobus, Inter-App Audio support
- 15 built-in presets with import/export
- Realtime frequency spectrum visualizer

## Recent user reviews (3 of 3)

All indexed reviews: https://appshunter.io/ios/app/stellr/id1448350913/reviews.md

### 5/5 — Another great app from this dev!

*2019-05-12*

You’ll find everything from basic shimmer to crazy effects in this app. Get all of their apps. They are very useful!

### 5/5 — Shimmery Goodness!

*2019-05-01*

Love the shimmer this app produces. Presets are awesome and unique, but the real magic is in the knob tweaking! Must buy!

### 1/5 — Not for me

*2019-04-28*

A horrible sounding verb.

## Frequently asked questions about Stellr

### What is Stellr?

Stellr is a paid audio effect application designed to create shimmer, pitch-shifting, delay, and reverb sounds. It allows users to add deep, ethereal ambiance to their music.

### What devices does Stellr support?

Stellr is compatible with iPhone, iPad, and iPod touch devices. It functions as an Audio Unit extension, supporting Audiobus and Inter-App Audio.

### How much does Stellr cost?

Stellr is a paid application, available for a one-time purchase of $4.99. There are no in-app purchases or subscription fees associated with its use.

### Does Stellr have ads?

No, Stellr does not contain advertisements. As a paid application, it offers an ad-free experience for users.

### How often is Stellr updated?

Stellr was last updated on August 14, 2022, with version 1.0.2. Information on its update frequency beyond this is not provided.

### What are the main sound processing features of Stellr?

Stellr features a pitch shifter that can be fine-tuned or snapped to semitones, two separate delays for complex feedback, LFO modulation, and various reverb types. It also includes pre-gain and dry/wet level controls.

### Can I save my settings in Stellr?

Yes, Stellr includes 15 built-in presets that can be shared between devices. You can also save and randomize parameters, and import/export user presets.

### What is the user rating for Stellr?

Stellr has an average rating of 3.4 stars based on 9 user reviews. This indicates a mixed reception from its user base.

## Version history (last 4 releases)

### 1.0.4 — 2026-04-22

- Low-pass and High-pass filters
- 5 new factory presets
- UI improvements

### 1.0.2 — 2022-08-14

- Audiobus updated to version 3.0.12
- Fixed rare crash when user imports external preset
- UI improvements

### 1.0.1 — 2019-05-01

– fixed bug causing pitch tone control to disappear when loading presets quickly

### 1.0 — 2019-04-25

No release notes.

## Apps similar to Stellr

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [GSDSP Quantum Distortion](https://appshunter.io/ios/app/gsdsp-quantum-distortion/id6476145487) | 5.0 (9) | $14.99 | Music |
| [EGSY01 Analog Synth](https://appshunter.io/ios/app/egsy01-analog-synth/id687256735) | 4.6 (26) | $6.99 | Music |
| [BLEASS Flanger](https://appshunter.io/ios/app/bleass-flanger/id1523985379) | 5.0 (11) | $6.99 | Music |
| [GSDSP Quantum Delay](https://appshunter.io/ios/app/gsdsp-quantum-delay/id6469328297) | 4.8 (16) | $14.99 | Music |
| [DirectionalEQ](https://appshunter.io/ios/app/directionaleq/id1301365260) | 3.6 (14) | $9.99 | Music |

## More apps by BACKPULLVER SOFTWARE LTD OOD

- [Vatanator](https://appshunter.io/ios/app/vatanator/id1035157789)
- [Vatanator SX](https://appshunter.io/ios/app/vatanator-sx/id1046391514)
- [Vatanator Pro](https://appshunter.io/ios/app/vatanator-pro/id1345467698)
- [Electrogene](https://appshunter.io/ios/app/electrogene/id1435301903)

All apps by BACKPULLVER SOFTWARE LTD OOD: https://appshunter.io/developer/1035157788

---

*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-09.*