# 德业智能 vs NANK南卡

The clearest difference is review sentiment: 德业智能 at 60% against NANK南卡's 0%. NANK南卡's advantage is iOS requirement (12.0 vs 15.6). On price, update cadence, 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.

Both ship on a similar rhythm, roughly every 2 weeks. The most recent releases landed on September 27, 2026 and August 31, 2026 respectively.

## The numbers

| Metric | 德业智能 | NANK南卡 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (31 ratings)](https://appshunter.io/ios/app/id1332604989/reviews)** | — |
| Number of ratings | **31** | — |
| Positive reviews | **60.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | Every 2 weeks |
| Monetization | — | Free |
| Size | 149 MB | 135 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Zhejiang Deye Electrical Appliances Co., Ltd.](https://appshunter.io/developer/1332604988) | [深圳市梦趣生活科技有限公司](https://appshunter.io/developer/1713504758) |

## What reviewers say

### 德业智能

[App page](https://appshunter.io/ios/app/id1332604989)

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

**In-app purchases:** none


### NANK南卡

[App page](https://appshunter.io/ios/app/nank/id6470352501)

Enhance your audio experience with this app, offering custom EQ settings, button control customization, and mode switching for compatible Bluetooth headphones. Access product information, firmware updates, and user guides.

**Highlights:** Custom EQ settings, Button operation customization, Music/Game mode switching, MP3/Bluetooth mode switching, Firmware upgrades, Product manuals and videos

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

**In-app purchases:** none


## Frequently asked questions

### Is 德业智能 free?

德业智能 is free to download, with no in-app purchases.

### Is NANK南卡 free?

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

### Do 德业智能 or NANK南卡 have ads?

Neither 德业智能 nor NANK南卡 shows ads.

### Which is updated more often, 德业智能 or NANK南卡?

德业智能 ships an update every 2 weeks, and NANK南卡 every 2 weeks. Most recently, 德业智能 was updated on September 27, 2026 and NANK南卡 on August 31, 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.*