# UDevice vs Smile ID Legacy App (v11)

The clearest difference is price: Smile ID Legacy App (v11) at Free against UDevice's $4.99. Smile ID Legacy App (v11) also leads on iOS requirement (14.0 vs 16.0). UDevice's advantage is update cadence (every 3 weeks vs every 5 months) and chart position (#56 vs unranked). On ads, in-app purchases and device support there is nothing between them.

Smile ID Legacy App (v11) is free to download; UDevice costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UDevice ships an update every 3 weeks, Smile ID Legacy App (v11) every 5 months. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | UDevice | Smile ID Legacy App (v11) |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | **[4.4 (36 ratings)](https://appshunter.io/ios/app/udevice-dev-assistant/id1608053878/reviews)** | — |
| Number of ratings | **36** | — |
| Positive reviews | 78.1% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 5 months |
| Monetization | Free | — |
| Best chart rank | **#56** | — |
| Size | 159 MB | 15 MB |
| Requires iOS | 16.0 | **14.0** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Gansu Zhenxian Network Technology Co., Ltd.](https://appshunter.io/developer/1616881226) | [Smile Identity, Inc.](https://appshunter.io/developer/1446607486) |

## What reviewers say

### UDevice

[App page](https://appshunter.io/ios/app/udevice-dev-assistant/id1608053878)

**Currently charting:** #56 Top Paid · Developer Tools (US App Store)

This app offers a comprehensive suite of developer and testing tools. It includes network utilities like HTTP(s) capture and DNS parsing, alongside system information and file management capabilities. Ideal for development, testing, and device management.

**Highlights:** HTTP(s) Capture/Rewrite, SSH and Terminal access, Python3 interpreter, Cookie editing, Network utilities (Ping, DNS, Traceroute, Port Scan), File manager, Device fingerprinting and system info

**Features:** macOS Compatibility, Safari Extension, Apple Watch app, Vision Pro support

**In-app purchases:** none


### Smile ID Legacy App (v11)

[App page](https://appshunter.io/ios/app/smile-id-legacy-app-v11/id6448359701)

**In-app purchases:** none


## Frequently asked questions

### Is UDevice free?

UDevice costs $4.99, with no in-app purchases.

### Is Smile ID Legacy App (v11) free?

Smile ID Legacy App (v11) is free to download, with no in-app purchases.

### Do UDevice or Smile ID Legacy App (v11) have ads?

Neither UDevice nor Smile ID Legacy App (v11) shows ads.

### Which is updated more often, UDevice or Smile ID Legacy App (v11)?

UDevice ships an update every 3 weeks, and Smile ID Legacy App (v11) every 5 months. Most recently, UDevice was updated on November 3, 2026 and Smile ID Legacy App (v11) on October 30, 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.*