# GrimoHex vs Pro

The clearest difference is ratings volume: Pro at 78 against GrimoHex's 1. Pro also leads on price ($9.99 vs $12.99) and chart position (#93 vs unranked). GrimoHex's advantage is rating (5.0 vs 4.8). On review sentiment, update cadence, ads and in-app purchases there is nothing between them.

GrimoHex costs $12.99 and Pro $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

GrimoHex holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Pro has 78 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 100% of GrimoHex's written reviews are positive against 96% of Pro's.

GrimoHex ships an update every 5 days, Pro every 4 days. The most recent releases landed on September 21, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | GrimoHex | Pro |
| --- | --- | --- |
| Price | $12.99 | **$9.99** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/grimohex/id6764228537/reviews)** | [4.8 (78 ratings)](https://appshunter.io/ios/app/pro-a5-synth-plus-auv3/id6764386977/reviews) |
| Number of ratings | 1 | **78** |
| Positive reviews | **100.0% of reviews** | 95.5% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 days | **Every 4 days** |
| Monetization | Paid | Paid |
| Best chart rank | — | **#93** |
| Size | 5 MB | 64 MB |
| Requires iOS | 16.0 | **14.4** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [James Draper](https://appshunter.io/developer/1895693909) | [AudioKit Pro](https://appshunter.io/developer/1307785645) |

## What reviewers say

### GrimoHex

[App page](https://appshunter.io/ios/app/grimohex/id6764228537)

Create beats quickly with a tactile, hardware-inspired sampler and step sequencer. Record, shape, and sequence sounds for fast music production on your iPhone. Ideal for producers and beat makers on the go.

**Highlights:** Hardware-style pad workflow, 128-step sequencing, Sample recording and playback, Sample editing tools, Real-time sound shaping, MIDI-focused sequencing, Pattern-based music creation

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

**In-app purchases:** none


### Pro

[App page](https://appshunter.io/ios/app/pro-a5-synth-plus-auv3/id6764386977)

**Currently charting:** #93 Top Paid · Music (US App Store)

This app emulates the sound of an iconic analog poly synthesizer, offering a wide range of sonic possibilities from warm pads to soaring leads. It features advanced modeling, multiple filter styles, and extensive customization options for musicians.

**Highlights:** 10-voice polyphonic analog synth emulation, Authentic Poly-Mod and filter modeling, Dual filter styles: Classic Stepped and Modern Smooth, Extensive preset library with 600+ sounds, Microtonality panel with 150 curated scales, AUv3 plugin support for DAWs, Vintage-style step sequencer and arpeggiator

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is GrimoHex free?

GrimoHex costs $12.99, with no in-app purchases.

### Is Pro free?

Pro costs $9.99, with no in-app purchases.

### Which has better reviews, GrimoHex or Pro?

GrimoHex is rated higher. GrimoHex averages 5.0 out of 5 from 1 ratings, while Pro averages 4.8 from 78 ratings.

### Do GrimoHex or Pro have ads?

Neither GrimoHex nor Pro shows ads.

### Which is updated more often, GrimoHex or Pro?

GrimoHex ships an update every 5 days, and Pro every 4 days. Most recently, GrimoHex was updated on September 21, 2026 and Pro on October 2, 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.*