Tracer vs SweepScan
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Tracer
This app works with a smartphone-powered USB device to detect various gas leaks like methane and formaldehyde. It provides real-time monitoring and alerts to enhance safety at home or work. Pinpoint emission sources effortlessly for peace of mind.
- Detects methane, propane, formaldehyde, hydrogen
- Smartphone-powered via USB
- Real-time monitoring and alerts
- Pinpoints gas emission sources
- Enhances safety and peace of mind
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Introducing our revolutionary gas detector, designed to detect methane, propane, formaldehyde, and hydrogen with unparalleled accuracy. Powered by your smartphone via USB, eliminating the hassle of battery replacements. With our app-enabled technology, pinpoint the exact sources of gas emissions effortlessly, enhancing safety and peace of mind. Whether at home, work, or on the go, stay informed and protected against potential hazards. Our device offers real-time monitoring and alerts, empowering you to take proactive measures to mitigate risks. Embrace convenience and reliability with our cutting-edge gas detector, ensuring a safer environment for you and your surroundings.
SweepScan
Detect hidden cameras using your device's sensors and network scanning. Ensure your privacy in hotels, rentals, or homes by identifying suspicious Bluetooth devices, Wi-Fi streams, and magnetic fields. Get detailed device information to pinpoint potential threats.
- Bluetooth hidden camera scanner
- Wi-Fi hidden camera scanner
- Magnetic field sensor
- Detailed device information
- Privacy protection
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Enjoy the peace of mind you deserve, whether in a hotel, short-term rental, or home. Sweep is the best app for detecting hidden cameras, ensuring your personal space remains private with advanced and reliable hidden camera detection features. Sweep for hidden cameras using SweepScan Here's what you'll find inside: - BLUETOOTH HIDDEN CAMERA SCANNER Use SweepScan's advanced Bluetooth device scanner to scan for ALL nearby Bluetooth devices. SweepScan's Bluetooth Scanner estimates the distance between devices and helps you quickly find and assess any potential hidden cameras. - WIFI HIDDEN CAMERA SCANNER SweepScan scans all devices on your connected Wi-Fi network. Devices streaming video over your network will be highlighted, and additional information will be displayed. Get a comprehensive list of connected devices to spot any potential threats to your privacy and detect any hidden cameras. - MAGNETIC FIELD SENSOR Use SweepScan's Magnetic Field Sensor to detect hidden cameras. Hold your device to different items around your room to highlight any unusual magnetic fields indicating hidden cameras. - DETAILED DEVICE INFORMATION Get detailed information on each detected device, including names, models, IP addresses, Bluetooth names and estimated proximity. Examine useful device information to distinguish hidden cameras. And much more for you to discover. Take control of your privacy today with SweepScan, the top choice for portable advanced Hidden Camera Detection. Sweep offers a subscription to unlock Premium functionality. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is rating: SweepScan at 4.7 against Tracer's 3.7. SweepScan also leads on ratings volume (66 vs 3). Tracer's advantage is in-app purchases (none vs 6) and update cadence (fortnightly vs every 3 months). On price, ads, 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
Both are free to download. SweepScan sells 6 in-app purchases, starting at $2.99 per 7 days. Tracer asks for nothing beyond the download.
SweepScan holds the better App Store score, 4.7 against 3.7. That said, the two scores are not equally well evidenced: SweepScan has 66 ratings behind it against 3, so its average is the more settled of the two.
Tracer ships an update fortnightly, SweepScan every 3 months. Both last shipped on November 4, 2026.
| Parameter | Tracer | SweepScan |
|---|---|---|
| Price | Free | Free |
| Rating | 3.7 (3 ratings) | 4.7 (66 ratings) — better |
| Positive reviews | — | 50.0% of reviews |
| Number of ratings | 3 | 66 — better |
| Update frequency | Fortnightly — better | Every 3 months |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Ad-supported — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 12.0 | 12.0 |
| Further details — not scored | ||
| Size | 37 MB | 59 MB |
| Age rating | 17+ | 4+ |
| Developer | ReFleX Wireless Inc. | SK LABS LIMITED |
Customer experience
Tracer
SweepScan
In-app purchases
Tracer
No in-app purchases
SweepScan
- Sweep Pro 1 Week$2.997 Days
- Sweep Pro 1 Month$4.991 Month
- Sweep Pro 1 Month$6.991 Month
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- Sweep Pro 1 Week 7.99$7.997 Days
- Sweep Pro Annual Subscription$39.991 Year
- Sweep Pro Annual Subscription$49.991 Year
