# Mini HKI vs Marts Digital

The clearest difference is rating: Mini HKI at 3.2 against Marts Digital's 2.2. Mini HKI also leads on update cadence (weekly vs every 17 months). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Mini HKI holds the better App Store score, 3.2 against 2.2. Both are backed by a comparable volume of ratings — 17 and 12 respectively.

Mini HKI ships an update weekly, Marts Digital every 17 months. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Mini HKI | Marts Digital |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.2 (17 ratings)](https://appshunter.io/ios/app/mini-hki/id1582645476/reviews)** | [2.2 (12 ratings)](https://appshunter.io/ios/app/marts-digital/id6738837858/reviews) |
| Number of ratings | **17** | 12 |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 17 months |
| Monetization | Free | Free |
| Size | 102 MB | 59 MB |
| Requires iOS | **12.0** | 12.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Expert Electronics Comercio e Fabricacao de Produtos Eletronicos Ltda](https://appshunter.io/developer/1103488615) | [Guang Dong Sound Power](https://appshunter.io/developer/1760446092) |

## What reviewers say

### Mini HKI

[App page](https://appshunter.io/ios/app/mini-hki/id1582645476)

Manage your MINI HKI audio processor through a Bluetooth connection. Optimize and protect your sound system with features like channel routing, gain control, equalization, and limiting. Save and recall custom configurations with presets.

**Highlights:** Channel Routing, General and Channel Gain Control, Polarity Inversion, Input and Channel Equalizer, Crossover Settings, Limiter, Delay, Configurable Presets

**Features:** macOS Compatibility

**In-app purchases:** none


### Marts Digital

[App page](https://appshunter.io/ios/app/marts-digital/id6738837858)

This application allows users to debug car audio devices by adjusting various parameters via a Bluetooth connection. It provides a digital interface for fine-tuning audio settings directly from a smartphone.

**Highlights:** Car audio device debugging, Bluetooth parameter adjustment, Digital interface for audio settings, Smartphone control

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Mini HKI free?

Mini HKI is free to download, with no in-app purchases.

### Is Marts Digital free?

Marts Digital is free to download, with no in-app purchases.

### Which has better reviews, Mini HKI or Marts Digital?

Mini HKI is rated higher. Mini HKI averages 3.2 out of 5 from 17 ratings, while Marts Digital averages 2.2 from 12 ratings.

### Do Mini HKI or Marts Digital have ads?

Neither Mini HKI nor Marts Digital shows ads.

### Which is updated more often, Mini HKI or Marts Digital?

Mini HKI ships an update weekly, and Marts Digital every 17 months. Most recently, Mini HKI was updated on November 3, 2026 and Marts Digital on October 30, 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.*