FieldSweep: Magnetic Field Log
iOS app by Netflowers Inc.. Utilities · Netflowers Inc.
- Store rating
- 0 / 5
- Store rating count
- 0
- Download price
- 1.99 USD
- In-app purchases
- Unknown
- Version
- 1.0
- Listing last refreshed
- 2026-09-07
View the original store listing
Store description excerpt
Behind the fridge. By the breaker panel. Now you have a number. FieldSweep turns your phone's magnetometer into a calm analog meter. Walk around a room, watch the needle move, and record the peaks with a place name — so "it feels strong here" becomes "126.8 µT, behind the fridge, last Tuesday." MEASURE - A paper-white dial with a real needle, 0 to 200 µT - A 60-second trend line under the dial - Guided figure-eight calibration keeps readings meaningful RECORD - Capture the recent peak with one tap - Name the place: kitchen, desk, breaker panel, or your own words - Sort your readings by time or by strength HONEST ABOUT ITS LIMITS - It measures magnetic flux density only — not electric fields, not Wi-Fi, not cellular signals - It makes no health claims and no safety judgments, ever - Earth's own field is roughly 25–65 µT; the app says so on the dial PRIVATE BY DESIGN - Readings and place names stay on your device - No account, no cloud, works completely offline One purchase, everything included, forever.
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