SwimEval vs EMF Radar
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SwimEval
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SwimEval was created by swim coaches for swim coaches. With a simple statement of "there has to be an easier way" turned into us creating SwimEval. SwimEval goal is to make coaches life's easier by delivering modern technology simply.
EMF Radar
This app uses your device's sensors to detect and measure electromagnetic fields in real-time. It also provides a map to visualize nearby cellular towers and their coverage, offering insights into your local electromagnetic environment.
- Real-time magnetic field measurements
- Animated gauge display
- Cellular tower map
- Searchable location for tower coverage
- EMF scores for cellular density
- Offline magnetometer readings
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EMF Radar helps you understand the electromagnetic environment around you. EMF Meter Use your iPhone's built-in magnetometer to detect and measure DC magnetic fields in real-time. The intuitive gauge displays field strength in microtesla (μT), making it easy to identify sources of magnetic activity near electronics, appliances, and other objects. Cell Tower Map Search any address to see nearby cellular towers and their coverage. View tower details including network type (5G, LTE, UMTS, GSM, CDMA) and distance from your location. Each area receives an EMF score based on tower density and proximity. Features - Real-time magnetic field measurements with animated gauge - Interactive map with tower markers color-coded by network type - Search any location to check tower coverage - EMF scores to quickly assess cellular infrastructure density - Works offline for magnetometer readings Whether you're curious about the magnetic fields in your home or want to understand cellular coverage in your area, EMF Radar gives you the tools to explore.
Screenshots
Verdict
The clearest difference is update cadence: EMF Radar at every 2 months against SwimEval's every 5 months. SwimEval's advantage is device support (3 vs 1) and iOS requirement (12.0 vs 17.0). On price, ads 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. Neither carries in-app purchases, so what you see is what you pay.
SwimEval ships an update every 5 months, EMF Radar every 2 months. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.
| Parameter | SwimEval | EMF Radar |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.4 (7 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 7 — better |
| Update frequency | Every 5 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 12.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 30 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | TecDesigns LLC | Justin Tormey |
In-app purchases
SwimEval
No in-app purchases
EMF Radar
No in-app purchases









