TeslaVision EMF Detector vs RAYSID
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
TeslaVision EMF Detector
Detect, measure, and visualize ambient electromagnetic fields in real-time. This professional-grade tool offers detailed analysis, data export, and customizable settings for monitoring your electromagnetic environment.
- Real-time EMF measurement
- 2D and 3D EMF visualization
- Raw EMF data export
- Customizable EMF calibration
- Adjustable EMF sensitivity
- Record and analyze EMF sessions
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Experience unmatched EMF radiation detection with © TeslaVision. We are confident you will not find a better EMF meter on the App Store. © TeslaVision is a professional, easy-to-use, and powerful EMF radiation detection meter. © TeslaVision enables you to detect, measure, and visualize the ambient electromagnetic field level in real-time. Furthermore, © TeslaVision enables you to effortlessly detect, monitor, record, and export your overall level of EMF exposure. © TeslaVision is the perfect app to detect, monitor, and visualize your electromagnetic environment. Key Features: • High-quality, professional grade software • Real-time EMF measurement (0-3000+ µT) • 100Hz EMF Data resolution capability • Supports raw, unfiltered EMF data for advanced analysis • Export raw recorded EMF session data • 2D and 3D EMF visualization • Real-time 3D plotting of EMF orientation • Metrics for minimum, maximum, and average EMF exposure • Raw, calibrated, and scaled EMF data • Color coded representation of EMF strength • Customizable EMF calibration • Adjustable EMF sensitivity • Record, analyze, and share EMF session data • Intuitive, professional, and easy-to-use design • Comprehensive help section • Easy access to customer support • Lifetime free updates Frustration Free • No ads • No subscriptions • No in-app purchases • No gimmicks • World-class customer support If you have any questions about this app, please contact us at: JedaSoftwareSystemsHelp@gmail.com
RAYSID
This app connects to a RAYSID gamma spectrometer via Bluetooth to display real-time radiation data. It offers detailed spectrum analysis, automatic isotope identification, and customizable device alarms. Data is stored locally on your phone.
- Real-time count rate and dose rate
- Automatic isotope identification
- High-resolution spectrum analysis
- Device threshold alarms with notifications
- Export spectrum data to N42 file
- Phone-side Geiger clicks
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Raysid is the iOS companion app for the RAYSID CsI(Tl) gamma spectrometer. Connect to your RAYSID over Bluetooth and see radiation in real time: • Live count rate (CPS) and dose rate (µSv/h) • Accumulated dose and yearly projection • 33-bin coarse histogram for quick scanning • 1800-channel high-resolution spectrum with log or linear axis • Automatic isotope identification against a built-in library of 43 reference spectra (natural, medical, and industrial isotopes) • Device threshold alarms with phone notifications, sound, and haptic • Phone-side Geiger clicks through the speaker, AirPods, or car audio • Export the high-resolution spectrum as a standards-compliant N42 file • Local radiation map: record your readings geotagged to where you took them, view them by count rate or dose, with an optional community layer. Recorded only while the app is open; your map stays on your device. You'll need a RAYSID device to use this app. Your measurements, location, and recorded map stay on your phone - nothing is uploaded. This app is an independent companion and is not affiliated with the RAYSID device manufacturer.
Screenshots
Verdict
The clearest difference is price: RAYSID at Free against TeslaVision EMF Detector's $4.99. RAYSID also leads on rating (5.0 vs 4.4) and update cadence (weekly vs every 13 months). TeslaVision EMF Detector's advantage is ratings volume (10 vs 1). On ads, in-app purchases 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
RAYSID is free to download; TeslaVision EMF Detector costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.
RAYSID holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: TeslaVision EMF Detector has 10 ratings behind it against 1, so its average is the more settled of the two.
TeslaVision EMF Detector ships an update every 13 months, RAYSID weekly. The most recent releases landed on October 1, 2026 and October 6, 2026 respectively.
| Parameter | TeslaVision EMF Detector | RAYSID |
|---|---|---|
| Price | $4.99 | Free — better |
| Rating | 4.4 (10 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 33.3% of reviews | — |
| Number of ratings | 10 — better | 1 |
| Update frequency | Every 13 months | Weekly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Devices | iPhone | iPhone |
| Requires iOS | 18.0 | 16.0 — better |
| Further details — not scored | ||
| Size | 2 MB | 145 MB |
| Age rating | 4+ | 4+ |
| Developer | Michael Weber | Isai Olvera |
Customer experience
TeslaVision EMF Detector
RAYSID
In-app purchases
TeslaVision EMF Detector
No in-app purchases
RAYSID
No in-app purchases
Questions
Is TeslaVision EMF Detector free?
Is RAYSID free?
Which has better reviews, TeslaVision EMF Detector or RAYSID?
Do TeslaVision EMF Detector or RAYSID have ads?
Which is updated more often, TeslaVision EMF Detector or RAYSID?
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