UDevice vs Keylines
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
UDevice
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.
- 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
Read full descriptionHide full description
Make device debugging, network diagnostics, and security research more efficient. The app includes a rich set of professional tools covering network packet capture, request rewriting, SSH, local terminal, Python 3, file management, cookie editing, log analysis, JSON formatting, regular expressions, Ping, DNS lookup, Traceroute, port scanning, LAN scanning, and more. You can also view real-time device status and key system information, including CPU, system, network, memory, display, browser environment, and other device data, helping you quickly understand the current state of your device. Whether for development debugging, testing and troubleshooting, security research, or daily device management, everything can be done in one app.
Keylines
Overlay a customizable grid on screenshots to accurately measure layout dimensions, margins, and padding. This tool streamlines design and development workflows by enabling detailed analysis of app interfaces.
- Screenshot grid overlay
- Measure layout sizes
- Analyze margins and padding
- Customizable grid size
- Customizable line colors
- Speeds up design process
Read full descriptionHide full description
Draws a grid overlay on screenshot to measure layout sizes, margins and padding. The grid speeds up your design and develop process, and lets you analyze other apps too! And you can even customize the grid size and line colors, etc.
Screenshots
Verdict
The clearest difference is price: Keylines at Free against UDevice's $4.99. Keylines also leads on rating (5.0 vs 4.4). UDevice's advantage is in-app purchases (none vs 1) and ratings volume (36 vs 1). On ads, monetization model, device support and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Keylines is free to download; UDevice costs $4.99 up front. Keylines sells 1 one-off in-app purchase. UDevice asks for nothing beyond the download.
Keylines holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: UDevice has 36 ratings behind it against 1, so its average is the more settled of the two.
| Parameter | UDevice | Keylines |
|---|---|---|
| Price | $4.99 | Free — better |
| Rating | 4.4 (36 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 78.1% of reviews | — |
| Number of ratings | 36 — better | 1 |
| Update frequency | Every 3 weeks | — |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | Free |
| Best chart rank | #4 — better | — |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Requires iOS | 16.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 159 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Gansu Zhenxian Network Technology Co., Ltd. | 明亮 李 |
Customer experience
UDevice
Keylines
In-app purchases
UDevice
No in-app purchases
Keylines
- Use Pixel as Coordinates$0.99
