# OTPx vs SafeUSB Pro

The clearest difference is update cadence: OTPx at every 4 days against SafeUSB Pro's every 2 weeks. SafeUSB Pro's advantage is device support (3 vs 1). On price, ads, 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.

OTPx ships an update every 4 days, SafeUSB Pro every 2 weeks. The most recent releases landed on October 8, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | OTPx | SafeUSB Pro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 2 weeks |
| Size | 142 MB | 20 MB |
| Requires iOS | 16.4 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [BizFin](https://appshunter.io/developer/1815697283) | [Shenzhen Cheng'an Innovation Technology Co., Ltd.](https://appshunter.io/developer/1807438081) |

## What reviewers say

### OTPx

[App page](https://appshunter.io/ios/app/otpx-secure-otp-sharing/id6746192885)

**Features:** macOS Compatibility

**In-app purchases:** none


### SafeUSB Pro

[App page](https://appshunter.io/ios/app/safeusb-pro/id6756099333)

**In-app purchases:** none


## Frequently asked questions

### Is OTPx free?

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

### Is SafeUSB Pro free?

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

### Do OTPx or SafeUSB Pro have ads?

Neither OTPx nor SafeUSB Pro shows ads.

### Which is updated more often, OTPx or SafeUSB Pro?

OTPx ships an update every 4 days, and SafeUSB Pro every 2 weeks. Most recently, OTPx was updated on October 8, 2026 and SafeUSB Pro on October 10, 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.*