# LinkBack vs SANSUI

The clearest difference is rating: LinkBack at 5.0 against SANSUI's 2.5. LinkBack also leads on iOS requirement (13.0 vs 15.0). SANSUI's advantage is update cadence (every 4 days vs every 10 days). 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.

LinkBack holds the better App Store score, 5.0 against 2.5. Both are backed by a comparable volume of ratings — 2 and 2 respectively.

LinkBack ships an update every 10 days, SANSUI every 4 days. The most recent releases landed on September 19, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | LinkBack | SANSUI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/linkback/id6475762967/reviews)** | [2.5 (2 ratings)](https://appshunter.io/ios/app/sansui/id6499414959/reviews) |
| Number of ratings | 2 | 2 |
| Positive reviews | — | 8.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 days | **Every 4 days** |
| Monetization | Free | Free |
| Size | 80 MB | 86 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [金铃 梁](https://appshunter.io/developer/1552879743) | [山水(深圳)国际电子科技有限公司](https://appshunter.io/developer/1743360783) |

## What reviewers say

### LinkBack

[App page](https://appshunter.io/ios/app/linkback/id6475762967)

Securely back up your phone's photo gallery and contact list with this portable USB drive application. It easily connects to your smartphone to quickly save important data, ensuring your memories and contacts are safe. Supports Bluetooth camera button functionality.

**Highlights:** Secure photo gallery backup, Contact list backup, Easy smartphone connection, Portable USB drive functionality, Bluetooth camera button support

**Features:** macOS Compatibility

**In-app purchases:** none


### SANSUI

[App page](https://appshunter.io/ios/app/sansui/id6499414959)

This utility app allows for deep customization of audio settings, including EQ and button configurations. It provides detailed information about connected devices and supports firmware updates for enhanced functionality.

**Highlights:** Custom button settings, Custom EQ settings, Headphone power display, Multiple mode switching, Position search, Firmware update

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is LinkBack free?

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

### Is SANSUI free?

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

### Which has better reviews, LinkBack or SANSUI?

LinkBack is rated higher. LinkBack averages 5.0 out of 5 from 2 ratings, while SANSUI averages 2.5 from 2 ratings.

### Do LinkBack or SANSUI have ads?

Neither LinkBack nor SANSUI shows ads.

### Which is updated more often, LinkBack or SANSUI?

LinkBack ships an update every 10 days, and SANSUI every 4 days. Most recently, LinkBack was updated on September 19, 2026 and SANSUI on October 1, 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.*