# Marts Digital vs IND

The clearest difference is update cadence: IND at every 10 days against Marts Digital's every 17 months. On price, ads, in-app purchases and device support there is nothing between them.

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

Marts Digital ships an update every 17 months, IND every 10 days. The most recent releases landed on October 28, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Marts Digital | IND |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.2 (12 ratings)](https://appshunter.io/ios/app/marts-digital/id6738837858/reviews)** | — |
| Number of ratings | **12** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 17 months | **Every 10 days** |
| Monetization | Free | — |
| Size | 59 MB | 57 MB |
| Requires iOS | 12.2 | 12.2 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Guang Dong Sound Power](https://appshunter.io/developer/1760446092) | [伟 陈](https://appshunter.io/developer/1837176650) |

## What reviewers say

### 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


### IND

[App page](https://appshunter.io/ios/app/ind-dsp/id6756298303)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Marts Digital free?

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

### Is IND free?

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

### Do Marts Digital or IND have ads?

Neither Marts Digital nor IND shows ads.

### Which is updated more often, Marts Digital or IND?

Marts Digital ships an update every 17 months, and IND every 10 days. Most recently, Marts Digital was updated on October 28, 2026 and IND 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.*