# Arctic ProSynth vs NuRack Auv3 FX Processor

The clearest difference is rating: NuRack Auv3 FX Processor at 4.7 against Arctic ProSynth's 3.3. NuRack Auv3 FX Processor also leads on update cadence (every 3 weeks vs every 4 months) and review sentiment (84% vs 71%). Arctic ProSynth's advantage is price ($9.99 vs $12.99). On ads, in-app purchases and monetization model there is nothing between them.

Arctic ProSynth costs $9.99 and NuRack Auv3 FX Processor $12.99 up front. Neither carries in-app purchases, so what you see is what you pay.

NuRack Auv3 FX Processor holds the better App Store score, 4.7 against 3.3. That said, the two scores are not equally well evidenced: NuRack Auv3 FX Processor has 42 ratings behind it against 8, so its average is the more settled of the two. Written reviews point the same way: 71% of Arctic ProSynth's written reviews are positive against 84% of NuRack Auv3 FX Processor's.

Arctic ProSynth ships an update every 4 months, NuRack Auv3 FX Processor every 3 weeks. The most recent releases landed on June 10, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Arctic ProSynth | NuRack Auv3 FX Processor |
| --- | --- | --- |
| Price | **$9.99** | $12.99 |
| Rating | [3.3 (8 ratings)](https://appshunter.io/ios/app/arctic-prosynth/id676870971/reviews) | **[4.7 (42 ratings)](https://appshunter.io/ios/app/nurack-auv3-fx-processor/id1520146960/reviews)** |
| Number of ratings | 8 | **42** |
| Positive reviews | 71.4% of reviews | **84.4% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Monetization | Paid | Paid |
| Size | 47 MB | 26 MB |
| Requires iOS | 15.6 | **13** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [One Red Dog Media](https://appshunter.io/developer/398933972) | [4Pockets.com](https://appshunter.io/developer/370131860) |

## What reviewers say

### Arctic ProSynth

[App page](https://appshunter.io/ios/app/arctic-prosynth/id676870971)

Create bold and tough electronic music with a modern subtractive synthesizer. Explore rich sound design with powerful oscillators, dual filters, and versatile effects. Record and share your creations easily.

**Highlights:** HyperOscillators for fat sounds, Dual multi-mode filters, Master effects with adjustable order, Integrated Vocoder, 16x4 gated step sequencer, Live audio and MIDI recording, Preset and bank sharing

**In-app purchases:** none


### NuRack Auv3 FX Processor

[App page](https://appshunter.io/ios/app/nurack-auv3-fx-processor/id1520146960)

Design custom audio and MIDI effects racks with over 80 building blocks. Route audio in series or parallel and create unique interfaces for your sound processing needs.

**Highlights:** Design custom effects racks, Over 80 audio and MIDI building blocks, Full routing control (series/parallel), Customizable interface builder, Seamless effect switching, 3 independent audio racks mode, Extensive automation options

**In-app purchases:** none


## Frequently asked questions

### Is Arctic ProSynth free?

Arctic ProSynth costs $9.99, with no in-app purchases.

### Is NuRack Auv3 FX Processor free?

NuRack Auv3 FX Processor costs $12.99, with no in-app purchases.

### Which has better reviews, Arctic ProSynth or NuRack Auv3 FX Processor?

NuRack Auv3 FX Processor is rated higher. Arctic ProSynth averages 3.3 out of 5 from 8 ratings, while NuRack Auv3 FX Processor averages 4.7 from 42 ratings.

### Do Arctic ProSynth or NuRack Auv3 FX Processor have ads?

Neither Arctic ProSynth nor NuRack Auv3 FX Processor shows ads.

### Which is updated more often, Arctic ProSynth or NuRack Auv3 FX Processor?

Arctic ProSynth ships an update every 4 months, and NuRack Auv3 FX Processor every 3 weeks. Most recently, Arctic ProSynth was updated on June 10, 2026 and NuRack Auv3 FX Processor on September 22, 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.*