# LinkBack vs OTG Flash Pro

LinkBack and OTG Flash Pro are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

LinkBack ships an update every 8 days, OTG Flash Pro every 10 days. The most recent releases landed on October 6, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | LinkBack | OTG Flash Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.9 (13 ratings)](https://appshunter.io/ios/app/linkback/id6475762967/reviews)** | — |
| Number of ratings | **13** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 8 days** | Every 10 days |
| Monetization | Free | — |
| Size | 83 MB | 136 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [金铃 梁](https://appshunter.io/developer/1552879743) | [裕雨 程](https://appshunter.io/developer/1079877476) |

## 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, Vision Pro support

**In-app purchases:** none


### OTG Flash Pro

[App page](https://appshunter.io/ios/app/otg-flash-pro/id6752880818)

**In-app purchases:** none


## Frequently asked questions

### Is LinkBack free?

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

### Is OTG Flash Pro free?

OTG Flash Pro is free to download, with no in-app purchases.

### Do LinkBack or OTG Flash Pro have ads?

Neither LinkBack nor OTG Flash Pro shows ads.

### Which is updated more often, LinkBack or OTG Flash Pro?

LinkBack ships an update every 8 days, and OTG Flash Pro every 10 days. Most recently, LinkBack was updated on October 6, 2026 and OTG Flash Pro 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.*