# MarSun DiDi vs 西門好聲音KTV

The clearest difference is update cadence: MarSun DiDi at every 5 weeks against 西門好聲音KTV's every 23 months. MarSun DiDi also leads on device support. On price, in-app purchases and iOS requirement there is nothing between them.

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

MarSun DiDi ships an update every 5 weeks, 西門好聲音KTV every 23 months. The most recent releases landed on October 7, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | MarSun DiDi | 西門好聲音KTV |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/marsun-didi/id6450168304/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | **Every 5 weeks** | Every 23 months |
| Monetization | Free | — |
| Size | 147 MB | 46 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | **iPhone, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [Mars e-Bank](https://appshunter.io/developer/1689006872) | [E-CARDS APP](https://appshunter.io/developer/1689164931) |

## What reviewers say

### MarSun DiDi

[App page](https://appshunter.io/ios/app/marsun-didi/id6450168304)

Record and play audio-visual messages using NFC tags. This tool allows for quick setup and various smart life applications, such as digital business cards and intelligent sticky notes, by simply touching your phone to an NFC chip.

**Highlights:** Record audio-visual messages, Play audio-visual messages, NFC tag interaction, Digital business cards, Smart sticky notes, Quick setup

**In-app purchases:** none


### 西門好聲音KTV

[App page](https://appshunter.io/ios/app/ktv/id6479682192)

**In-app purchases:** none


## Frequently asked questions

### Is MarSun DiDi free?

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

### Is 西門好聲音KTV free?

西門好聲音KTV is free to download, with no in-app purchases.

### Which is updated more often, MarSun DiDi or 西門好聲音KTV?

MarSun DiDi ships an update every 5 weeks, and 西門好聲音KTV every 23 months. Most recently, MarSun DiDi was updated on October 7, 2026 and 西門好聲音KTV on October 15, 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.*