EMFMeter vs Contacts backup `
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
EMFMeter
This tool transforms your smartphone into a real-time electromagnetic field scanner. It visualizes EMF readings, detects studs and metal objects behind walls, and alerts you to high EMF levels. You can also track EMF source direction and export data for analysis.
- Real-time EMF detection
- Electromagnetic field visualization
- Built-in stud finder
- High EMF alerts
- EMF source direction tracking
- CSV data export
- Session logging
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EMF Meter is a professional and accurate EMF detection tool that transforms your smartphone into a real-time electromagnetic field scanner. Using the built-in magnetometer sensor, EMF Meter captures and displays live EMF data to help you detect and understand electromagnetic fields in your surroundings. Key Features - Accurate EMF Detection: EMF Meter uses your device’s magnetometer to measure the strength of surrounding electromagnetic fields. - Real-Time Graphs: Visualize EMF readings across X, Y, and W axes with smooth, responsive line graphs that update in real time. - Built-in Stud Finder: Detect studs, pipes, and metal objects behind walls using magnetic field analysis. - High EMF Alerts: EMF Meter automatically warns you when high electromagnetic field levels are detected, helping you stay aware of potential risks. - EMF Source Direction: Track the direction of EMF sources using magnetic field vector analysis. - CSV Export: Save your EMF detection sessions in CSV format for deeper offline analysis and reporting. - Session Logging: EMF Meter keeps logs of all measurements, allowing you to review and explore electromagnetic field activity over time. Optimized for EMF Detection EMF Meter is designed specifically for accurate EMF detection, electromagnetic field tracking, and graph-based visualization. Whether you’re conducting an environmental scan, investigating EMF exposure, or performing technical analysis, EMF Meter provides the tools you need. - EMF Meter is ideal for users interested in: - EMF detection and measurement - Magnetic field visualization - Electromagnetic field data logging - Real-time EMF graph tracking - Magnetic flux analysis - Environmental EMF monitoring Detecting EMF levels in homes, offices, or public spaces EMF Meter repeats core features like EMF detection, electromagnetic field monitoring, and real-time graphing throughout the app for consistency and reliability. Feedback: We highly appreciate your suggestions! Support email: support@neuralfulai.com Terms of Service: https://neuralfulai.com/terms-of-use/ Privacy Policy: https://neuralfulai.com/privacy-policy-apps/
Contacts backup `
Safeguard your address book with this straightforward utility. Easily back up, restore, and transfer contacts in various formats, even offline. Schedule regular backups and organize them by date for peace of mind.
- One-tap contact backup
- Restore from previous backups
- Export in VCF or CSV
- Share backups easily
- Smart backup reminders
- Organize backups by date
- Offline functionality
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Never lose a contact again with Contact Keeper – your simple, reliable contact backup and transfer solution. Easily back up, restore, and transfer your contacts in just a few taps. Whether you're switching devices, upgrading phones, or just staying safe, Contact Keeper has you covered. Key Features: • One-tap contact backup to secure your address book • Restore contacts from previous backups anytime • Export contacts in VCF or CSV formats and more • Share backups easily via email, AirDrop, or other apps • Set smart reminders to back up regularly • Organize backups by date • Works offline — no internet required • Unlimited backups and restores • Clean, modern interface with Dark Mode support To unlock unlimited access, you may need to purchase a subscription or in-app purchase. Privacy Policy: enginesstudio.tech/privacy Support & Terms: enginesstudio.tech/support/contact
Screenshots
Verdict
EMFMeter and Contacts backup ` both sit at 4.7 stars, but that hides the real split: 60% of EMFMeter's written reviews are positive against 0% of Contacts backup `'s. EMFMeter also leads on iOS requirement (15.6 vs 17.6). Contacts backup `'s advantage is ads (none vs shown) and update cadence (every 3 weeks vs every 2 months). On price, rating, ratings volume and in-app purchases 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. EMFMeter sells 3 in-app purchases, starting at $3.99 per 7 days and Contacts backup ` sells 4 in-app purchases, starting at $0.99 per 7 days. Whichever you choose, the download price is not the number that matters.
On the App Store both sit at effectively the same score — 4.7 for EMFMeter against 4.7 for Contacts backup `. Both are backed by a comparable volume of ratings — 98 and 53 respectively. Written reviews are what separate them: 60% of EMFMeter's written reviews are positive against 0% of Contacts backup `'s.
EMFMeter ships an update every 2 months, Contacts backup ` every 3 weeks. The most recent releases landed on September 21, 2026 and September 24, 2026 respectively.
| Parameter | EMFMeter | Contacts backup ` |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (98 ratings) | 4.7 (53 ratings) |
| Positive reviews | 60.0% of reviews — better | 0.0% of reviews |
| Number of ratings | 98 — better | 53 |
| Update frequency | Every 2 months | Every 3 weeks — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 15.6 — better | 17.6 |
| Further details — not scored | ||
| Size | 187 MB | 11 MB |
| Age rating | 4+ | 4+ |
| Developer | Neuralful Ai ltd | ENGINES STUDIO LAB |
Customer experience
EMFMeter
Contacts backup `
In-app purchases
EMFMeter
- week$3.997 Days
- yearlypro3 Days trial$9.991 Year
- emfmeter$19.99
Contacts backup `
- Full access for 1 week$0.997 Days
- Full access for 1 month$3.991 Month
- Full access for 1 year$19.991 Year
- Lifetime access$24.99
Questions
Is EMFMeter free?
Is Contacts backup ` free?
Which has better reviews, EMFMeter or Contacts backup `?
Do EMFMeter or Contacts backup ` have ads?
Which is updated more often, EMFMeter or Contacts backup `?
Other comparisons
