auth. vs UDevice
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
auth.
This app securely stores and manages your two-factor authentication codes in one place. It simplifies the process by allowing QR code scanning or link-based setup, ensuring your accounts remain protected.
- Unlimited account storage
- QR code scanning
- Link-based account addition
- Offline running
- Customizable timeout and auto-lock
- Password and safe code storage
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Are you looking for a simple and comfortable 2FA/MFA security solution for your account? Auth. is a 2FA and OTP management tool for everyone. Works with all Apple personal devices - based on iCloud Keychain technology. Steps: 1. Scan the QR Code 2. Done! You can also add your account via a link from your provider. Available Platform: - iPhone + Apple Watch - iPad - Mac + Safari (Extension) - Vision Pro Features: - Unlimited account -- Key Space (Personal, Business, Secret) - Auto-fill (Safari on Mac Only) - Tap to scan (iPhone / iPad Only) - QR Code instant recognization (iPhone / iPad Only) - Copy to clipboard (iPhone / iPad / Mac) / Drag (Mac) - Open with auth. (Support Common URLs) - Customized timeout and auto-lock - Offline running - Store password and safe code and more...
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
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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.
Screenshots
Verdict
The clearest difference is rating: auth. at 4.7 against UDevice's 4.4. auth. also leads on device support (5 vs 3) and price ($3.99 vs $4.99). UDevice's advantage is review sentiment (78% vs 58%) and ratings volume (36 vs 6). On update cadence, ads, in-app purchases 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
auth. costs $3.99 and UDevice $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.
auth. holds the better App Store score, 4.7 against 4.4. That said, the two scores are not equally well evidenced: UDevice has 36 ratings behind it against 6, so its average is the more settled of the two. Written reviews complicate that: 58% of auth.'s written reviews are positive against 78% of UDevice's, so the app with the better star average is not the one people write more warmly about.
auth. ships an update monthly, UDevice every 3 weeks. The most recent releases landed on September 14, 2026 and September 22, 2026 respectively.
| Parameter | auth. | UDevice |
|---|---|---|
| Price | $3.99 — better | $4.99 |
| Rating | 4.7 (6 ratings) — better | 4.4 (36 ratings) |
| Positive reviews | 58.3% of reviews | 78.1% of reviews — better |
| Number of ratings | 6 | 36 — better |
| Update frequency | Monthly | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Best chart rank | #174 | #29 — better |
| Devices | iPhone, iPad, Mac, Apple Watch, Vision Pro — better | iPhone, iPad, Apple Watch |
| Requires iOS | 16.0 | 16.0 |
| Further details — not scored | ||
| Size | 28 MB | 159 MB |
| Age rating | 4+ | 4+ |
| Developer | ChakMing Wong | Gansu Zhenxian Network Technology Co., Ltd. |
Customer experience
auth.
UDevice
In-app purchases
auth.
No in-app purchases
UDevice
No in-app purchases
