# iPiano Chords HD vs Arctic ProSynth

The clearest difference is review sentiment: Arctic ProSynth at 71% against iPiano Chords HD's 25%. Arctic ProSynth also leads on rating (3.3 vs 2.0) and update cadence (every 4 months vs every 30 months). iPiano Chords HD's advantage is price ($2.99 vs $9.99) and iOS requirement (12.0 vs 15.6). On ads, in-app purchases, monetization model and device support there is nothing between them.

iPiano Chords HD costs $2.99 and Arctic ProSynth $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Arctic ProSynth holds the better App Store score, 3.3 against 2.0. That said, the two scores are not equally well evidenced: Arctic ProSynth has 8 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 25% of iPiano Chords HD's written reviews are positive against 71% of Arctic ProSynth's.

iPiano Chords HD ships an update every 30 months, Arctic ProSynth every 4 months. The most recent releases landed on October 6, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | iPiano Chords HD | Arctic ProSynth |
| --- | --- | --- |
| Price | **$2.99** | $9.99 |
| Rating | [2.0 (1 ratings)](https://appshunter.io/ios/app/ipiano-chords-hd/id579996082/reviews) | **[3.3 (8 ratings)](https://appshunter.io/ios/app/arctic-prosynth/id676870971/reviews)** |
| Number of ratings | 1 | **8** |
| Positive reviews | 25.0% of reviews | **71.4% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 30 months | **Every 4 months** |
| Monetization | Paid | Paid |
| Size | 49 MB | 47 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPad | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Stefan Arnhold](https://appshunter.io/developer/432185706) | [One Red Dog Media](https://appshunter.io/developer/398933972) |

## What reviewers say

### iPiano Chords HD

[App page](https://appshunter.io/ios/app/ipiano-chords-hd/id579996082)

This app helps musicians find piano chords and scales with a large library and multiple search options. It includes a quiz mode for practice and MIDI input for keyboard integration. Export chord diagrams for easy sharing.

**Highlights:** Extensive chord library (2300+ chords), Chord reverse search with inversions, Scale library (46 scales), MIDI input via cable or Bluetooth, Quiz mode with adjustable levels, Chord diagram export

**In-app purchases:** none


### 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


## Frequently asked questions

### Is iPiano Chords HD free?

iPiano Chords HD costs $2.99, with no in-app purchases.

### Is Arctic ProSynth free?

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

### Which has better reviews, iPiano Chords HD or Arctic ProSynth?

Arctic ProSynth is rated higher. iPiano Chords HD averages 2.0 out of 5 from 1 ratings, while Arctic ProSynth averages 3.3 from 8 ratings.

### Do iPiano Chords HD or Arctic ProSynth have ads?

Neither iPiano Chords HD nor Arctic ProSynth shows ads.

### Which is updated more often, iPiano Chords HD or Arctic ProSynth?

iPiano Chords HD ships an update every 30 months, and Arctic ProSynth every 4 months. Most recently, iPiano Chords HD was updated on October 6, 2026 and Arctic ProSynth on October 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.*