# Discovery RA vs UDevice

The clearest difference is price: Discovery RA at Free against UDevice's $4.99. UDevice's advantage is update cadence (every 3 weeks vs every 2 months) and chart position (#53 vs unranked). On rating, ads, in-app purchases and monetization model there is nothing between them.

Discovery RA is free to download; UDevice costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 4.5 for Discovery RA against 4.4 for UDevice. Both are backed by a comparable volume of ratings — 8 and 36 respectively.

Discovery RA ships an update every 2 months, UDevice every 3 weeks. The most recent releases landed on September 21, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Discovery RA | UDevice |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Rating | **[4.5 (8 ratings)](https://appshunter.io/ios/app/discovery-ra/id1579586447/reviews)** | [4.4 (36 ratings)](https://appshunter.io/ios/app/udevice-dev-assistant/id1608053878/reviews) |
| Number of ratings | 8 | **36** |
| Positive reviews | — | 78.1% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Best chart rank | — | **#53** |
| Size | 75 MB | 159 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Sibel Inc.](https://appshunter.io/developer/1444729060) | [Gansu Zhenxian Network Technology Co., Ltd.](https://appshunter.io/developer/1616881226) |

## What reviewers say

### Discovery RA

[App page](https://appshunter.io/ios/app/discovery-ra/id1579586447)

Manage and collect data from Sibel sensors with this intuitive application. Streamline workflows through effortless data collection, real-time event labeling, and secure cloud integration. Access and analyze your sensor data directly on your device.

**Highlights:** Effortless data collection, Direct data download, Real-time event labeling, Secure cloud integration, Sensor management

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

**In-app purchases:** none


### UDevice

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

**Currently charting:** #53 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


## Frequently asked questions

### Is Discovery RA free?

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

### Is UDevice free?

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

### Which has better reviews, Discovery RA or UDevice?

Discovery RA is rated higher. Discovery RA averages 4.5 out of 5 from 8 ratings, while UDevice averages 4.4 from 36 ratings.

### Do Discovery RA or UDevice have ads?

Neither Discovery RA nor UDevice shows ads.

### Which is updated more often, Discovery RA or UDevice?

Discovery RA ships an update every 2 months, and UDevice every 3 weeks. Most recently, Discovery RA was updated on September 21, 2026 and UDevice on September 22, 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.*