# GridInstrument vs mLFO

The clearest difference is update cadence: GridInstrument at weekly against mLFO's every 2 months. GridInstrument also leads on price ($3.99 vs $5.99) and iOS requirement (8.0 vs 15.6). On rating, review sentiment, ratings volume and ads there is nothing between them.

GridInstrument costs $3.99 and mLFO $5.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 4.5 for GridInstrument against 4.5 for mLFO. Both are backed by a comparable volume of ratings — 11 and 19 respectively. Written reviews are what separate them: 83% of GridInstrument's written reviews are positive against 80% of mLFO's.

GridInstrument ships an update weekly, mLFO every 2 months. The most recent releases landed on October 17, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | GridInstrument | mLFO |
| --- | --- | --- |
| Price | **$3.99** | $5.99 |
| Rating | [4.5 (11 ratings)](https://appshunter.io/ios/app/gridinstrument/id1296511558/reviews) | [4.5 (19 ratings)](https://appshunter.io/ios/app/mlfo/id1602306976/reviews) |
| Number of ratings | 11 | **19** |
| Positive reviews | **83.3% of reviews** | 80.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 months |
| Monetization | Paid | Paid |
| Size | 15 MB | 4 MB |
| Requires iOS | **8.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Decidedly, LLC](https://appshunter.io/developer/783782943) | [Axart Labs OU](https://appshunter.io/developer/1814434331) |

## 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


### mLFO

[App page](https://appshunter.io/ios/app/mlfo/id1602306976)

This app provides 16 programmable MIDI LFOs with extensive features for music production. It offers multiple parameters per LFO, independent output, and a wide rate range. It can be used as a standalone app or as an AUv3 plugin within compatible host applications.

**Highlights:** 16 programmable MIDI LFOs, Multiple parameters per LFO, Independent output and MIDI channel, Wide rate range, Custom shape creation (free and ADSR), 4 trigger modes including random retrigger

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

**In-app purchases:** none


## Frequently asked questions

### Is GridInstrument free?

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

### Is mLFO free?

mLFO costs $5.99, with no in-app purchases.

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

GridInstrument and mLFO are both rated 4.5 out of 5 on the App Store, from 11 and 19 ratings respectively.

### Do GridInstrument or mLFO have ads?

Neither GridInstrument nor mLFO shows ads.

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

GridInstrument ships an update weekly, and mLFO every 2 months. Most recently, GridInstrument was updated on October 17, 2026 and mLFO on October 11, 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.*