# GridInstrument vs Salome

The clearest difference is price: GridInstrument at $3.99 against Salome's $7.99. GridInstrument also leads on iOS requirement (8.0 vs 13). Salome's advantage is rating (4.7 vs 4.5) and chart position (#195 vs unranked). On review sentiment, ratings volume, update cadence and ads there is nothing between them.

GridInstrument costs $3.99 and Salome $7.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Salome holds the better App Store score, 4.7 against 4.5. Both are backed by a comparable volume of ratings — 11 and 30 respectively. Written reviews split almost evenly too, at 83% and 83% positive.

GridInstrument ships an update weekly, Salome every 9 days. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | GridInstrument | Salome |
| --- | --- | --- |
| Price | **$3.99** | $7.99 |
| Rating | [4.5 (11 ratings)](https://appshunter.io/ios/app/gridinstrument/id1296511558/reviews) | **[4.7 (30 ratings)](https://appshunter.io/ios/app/salome-mpe-audio-sampler/id6468663356/reviews)** |
| Number of ratings | 11 | **30** |
| Positive reviews | 83.3% of reviews | 83.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 9 days |
| Monetization | Paid | Paid |
| Best chart rank | — | **#195** |
| Size | 15 MB | 37 MB |
| Requires iOS | **8.0** | 13 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Decidedly, LLC](https://appshunter.io/developer/783782943) | [Bram Bos](https://appshunter.io/developer/325340444) |

## What reviewers say

### GridInstrument

[App page](https://appshunter.io/ios/app/gridinstrument/id1296511558)

This app transforms your iOS device into a unique musical instrument with a grid-based interface. Explore over 20 musical modes and various grid layouts. It also supports external MIDI controllers like the Launchpad for expanded creative possibilities.

**Highlights:** Grid-based note arrangement, Launchpad integration, Over 20 musical modes, Multiple grid layouts, Core MIDI out, Audiobus 3 MIDI support

**Features:** Vision Pro support

**In-app purchases:** none


### Salome

[App page](https://appshunter.io/ios/app/salome-mpe-audio-sampler/id6468663356)

**Currently charting:** #195 Top Paid · Music (US App Store)

This app lets you record or import sounds, transform them into seamless loops, and play them polyphonically using MPE or MIDI controllers. It offers a fast workflow with onscreen keypads and MPE/MIDI input/output for creative sound manipulation.

**Highlights:** Record or import sounds, Create seamless loops, Polyphonic MPE/MIDI playback, Onscreen MPE keypads, Latch mode for fader control, AUv3 plugin for iOS and macOS

**In-app purchases:** none


## Frequently asked questions

### Is GridInstrument free?

GridInstrument costs $3.99, with no in-app purchases.

### Is Salome free?

Salome costs $7.99, with no in-app purchases.

### Which has better reviews, GridInstrument or Salome?

Salome is rated higher. GridInstrument averages 4.5 out of 5 from 11 ratings, while Salome averages 4.7 from 30 ratings.

### Do GridInstrument or Salome have ads?

Neither GridInstrument nor Salome shows ads.

### Which is updated more often, GridInstrument or Salome?

GridInstrument ships an update weekly, and Salome every 9 days. Most recently, GridInstrument was updated on October 26, 2026 and Salome on October 25, 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.*