FastTrack QR vs Smart Device Detector & Signal
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
FastTrack QR
This app acts as a pocket code wizard, offering lightning-fast QR and barcode scanning. It also allows you to create your own QR codes using preset templates and color combinations, exporting them in high-definition PNG format.
- QR/barcode scanning
- Custom QR code creation
- Preset templates and color options
- High-definition PNG export
- Scan history
- Sharing of results
Read full descriptionHide full description
FastTrack QR: Smart scanning, easy creation Pocket code wizard for iPhone! Core functions All-purpose scanner QR/barcode lightning scanning, efficient and convenient - Code Scanner: scan QR codes & barcodes. -Easy to use, just aim at the QR code to get the result More than 5 preset templates and color combinations to create your own QR code Export high-definition PNG to your album Every step will be saved to the history You can share your scan results and creation results with your partners Why choose us? Simple and interesting UI interface Smooth user experience Focus on improving user experience Come and download it!
Smart Device Detector & Signal
Analyze your surroundings with tools that focus on connected devices, local signals, and network information. Understand Wi-Fi and Bluetooth activity, check magnetic fields, and measure network speed in a clear interface.
- Wi-Fi device overview
- Bluetooth signal strength
- Magnetic field meter
- Network speed test
- Email address lookup
Read full descriptionHide full description
Smart Device Detector & Signal is a set of simple tools that help you analyse the rooms and spaces where you spend time. It focuses on connected devices, local signals and basic network information. Use Smart Device Detector & Signal to see nearby Wi‑Fi and Bluetooth activity, check magnetic field levels and review your network speed. Everything is presented in a clear interface so you can quickly understand what is happening around your devices at home, at work or in shared spaces. Tools included: > Wi‑Fi overview with a list of devices connected to your current network. > Bluetooth scan that shows nearby devices and their signal strength. > Magnetic field meter with a simple visual scale. > Network speed test for download and upload measurements. > Email check that looks up basic information about selected addresses. Smart Device Detector & Signal is an informational tool and does not replace professional equipment or expert assessment. Results are approximate and can be influenced by device model, environment and signal quality. A premium subscription is available and provides access to all features and tools within the app. Subscriptions automatically renew unless canceled at least 24 hours before the end of the current period. Privacy Policy https://drive.google.com/file/d/1ZfLPtgMoRXLAtzRcVCxaMJDhtVcx_FBV/view?usp=sharing Terms of Use https://drive.google.com/file/d/1nOFdIifzAYceWHi9B-L_1xzlcONzxxSn/view?usp=sharing
Screenshots
Verdict
FastTrack QR and Smart Device Detector & Signal both sit at 4.5 stars, but that hides the real split: 92% of FastTrack QR's written reviews are positive against 46% of Smart Device Detector & Signal's. FastTrack QR also leads on in-app purchases (none vs 2) and iOS requirement (12.0 vs 16.0). Smart Device Detector & Signal's advantage is update cadence (fortnightly vs every 6 weeks) and ratings volume (379 vs 42). On price, rating, ads and device support 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
Both are free to download. Smart Device Detector & Signal sells 2 in-app purchases, starting at $11.99 per 7 days. FastTrack QR asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 4.5 for FastTrack QR against 4.3 for Smart Device Detector & Signal. That said, the two scores are not equally well evidenced: Smart Device Detector & Signal has 379 ratings behind it against 42, so its average is the more settled of the two. Written reviews are what separate them: 92% of FastTrack QR's written reviews are positive against 46% of Smart Device Detector & Signal's.
FastTrack QR ships an update every 6 weeks, Smart Device Detector & Signal fortnightly. The most recent releases landed on November 4, 2026 and October 30, 2026 respectively.
| Parameter | FastTrack QR | Smart Device Detector & Signal |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (42 ratings) — better | 4.3 (379 ratings) |
| Positive reviews | 92.3% of reviews — better | 46.2% of reviews |
| Number of ratings | 42 | 379 — better |
| Update frequency | Every 6 weeks | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Freemium |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 12.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 44 MB | 102 MB |
| Age rating | 4+ | 4+ |
| Developer | Xian Dayanshan Electronic Tech Limited | REATIVE IMPACT |
Customer experience
FastTrack QR
Smart Device Detector & Signal
In-app purchases
FastTrack QR
No in-app purchases
Smart Device Detector & Signal
- Scanory Pro 1 week3 Days trial$11.997 Days
- Scanory Pro 1 week3 Days trial$13.997 Days
Questions
Is FastTrack QR free?
Is Smart Device Detector & Signal free?
Which has better reviews, FastTrack QR or Smart Device Detector & Signal?
Do FastTrack QR or Smart Device Detector & Signal have ads?
Which is updated more often, FastTrack QR or Smart Device Detector & Signal?
Other comparisons















