# PolyHarp vs Moby Chip

The clearest difference is price: PolyHarp at $4.99 against Moby Chip's $7.99. On rating, review sentiment, ratings volume and update cadence there is nothing between them.

PolyHarp costs $4.99 and Moby Chip $7.99 up front. Neither carries in-app purchases, so what you see is what you pay.

PolyHarp holds the better App Store score, 4.9 against 4.8. Both are backed by a comparable volume of ratings — 11 and 8 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

PolyHarp ships an update every 4 weeks, Moby Chip every 3 weeks. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | PolyHarp | Moby Chip |
| --- | --- | --- |
| Price | **$4.99** | $7.99 |
| Rating | **[4.9 (11 ratings)](https://appshunter.io/ios/app/polyharp/id961772600/reviews)** | [4.8 (8 ratings)](https://appshunter.io/ios/app/moby-chip/id1523253515/reviews) |
| Number of ratings | **11** | 8 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 3 weeks** |
| Monetization | Paid | Paid |
| Size | 16 MB | 51 MB |
| Requires iOS | **12.4** | 13.6 |
| Devices | iPad | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Henry Lowengard](https://appshunter.io/developer/288419654) | [Binary Square, Inc.](https://appshunter.io/developer/284944915) |

## What reviewers say

### PolyHarp

[App page](https://appshunter.io/ios/app/polyharp/id961772600)

This app offers a virtual musical instrument inspired by chorded zithers, featuring extensive chord customization, multi-string capabilities, and massive polyphony. It serves as a platform for harmonic theory exploration and a powerful MIDI controller, with numerous presets and the ability to create unique instruments.

**Highlights:** Extensive chord customization, Multi-string and polyphony support, Harmonic theory testbed, MIDI controller functionality, Large preset library, Audiobus 3 and IAA support

**In-app purchases:** none


### Moby Chip

[App page](https://appshunter.io/ios/app/moby-chip/id1523253515)

Create old-school 8-bit chiptune music with this four-track sequencer. Design custom sounds using wavetables or noise, and edit notes with detailed controls for instruments, effects, and timing. Export your creations in various formats for use in other applications or games.

**Highlights:** Four-track chiptune sequencer, User-definable wavetable oscillators, Random pitched noise for SFX, Sample-based timing with accurate tempos, Per-note editing of instrument, volume, glide, pan, Multiple export formats (WAV, AAC, CAF, M4R), Live playing with onscreen keyboard

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PolyHarp free?

PolyHarp costs $4.99, with no in-app purchases.

### Is Moby Chip free?

Moby Chip costs $7.99, with no in-app purchases.

### Which has better reviews, PolyHarp or Moby Chip?

PolyHarp is rated higher. PolyHarp averages 4.9 out of 5 from 11 ratings, while Moby Chip averages 4.8 from 8 ratings.

### Do PolyHarp or Moby Chip have ads?

Neither PolyHarp nor Moby Chip shows ads.

### Which is updated more often, PolyHarp or Moby Chip?

PolyHarp ships an update every 4 weeks, and Moby Chip every 3 weeks. Most recently, PolyHarp was updated on November 1, 2026 and Moby Chip on November 3, 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.*