AimSat vs Magnetometer...
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
AimSat
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Point your phone - or your antenna - at any satellite in real time. AimSat gives you live azimuth and elevation for over 50 satellites: the International Space Station, MUOS military UHF birds, WGS broadband relays, amateur AMSAT passes, weather satellites, and more. WHAT IT DOES - Live sky position (azimuth + elevation) updated every second from your GPS - SGP4/SDP4 orbital propagation - the same math NASA uses, running on-device - Antenna alignment mode: hold your phone like a tray, tilt it up, and the crosshair tells you exactly where to point - Pass notifications: get alerted before a satellite rises over your horizon - Garmin watch support: az/el values mirror to your wrist hands-free - Filter by category: ISS, Amateur, Weather, GEO, MUOS, WGS - Pin, hide, and sort satellites to match your workflow - Full ground-track map with sub-satellite point AIMSAT PRO Upgrade once ($2.99) and unlock the 7-day pass planner - see every satellite window for the full week ahead, export passes to your calendar, and plan before you're in the field. No subscription, ever. BUILT FOR OPERATORS Whether you're a ham radio operator chasing FM satellites, a SATCOM technician aligning a terminal, or just someone who wants to wave at the ISS - AimSat has the precision you need without the bloat you don't. PRIVACY Your location never leaves your device. No accounts, no analytics, no tracking. Orbital data is fetched from CelesTrak and Space-Track; everything else runs offline. Map data (c) OpenStreetMap contributors, under the Open Database License (ODbL).
Magnetometer...
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Turn your phone into a real-time magnetometer and magnetic field measurement tool. Magnetometer uses your device’s built-in magnetic sensor to measure magnetic field strength in µT. View X, Y and Z axis readings, track changes, record measurements, review history, and export your data as CSV. REAL-TIME MAGNETOMETER • Real-time magnetic field strength in µT • Individual X, Y and Z axis readings • Total magnetic field strength • Absolute and relative measurement modes • Custom baseline for measuring relative changes • Calibration guidance to help improve sensor accuracy MAGNETIC FIELD ALERTS Set a custom threshold and receive optional sound and vibration alerts when magnetic field strength exceeds your selected level. RECORDING & HISTORY Record magnetic field measurements over time and review saved sessions later. • Live recording and timeline • Current, minimum, maximum and average readings • X, Y and Z measurement data • Recording timestamps and duration • Detailed graphs and statistics • Measurement mode and sample information • Rename or delete recordings • Refresh or clear measurement history CSV EXPORT Export recorded magnetic field data as CSV for spreadsheets, analysis, experiments or other projects. CUSTOMIZATION & EXTRAS • 4 visual styles: Dark Green, Light Green, Neon and Warm • Support for 77+ languages • Offline mode available with subscription • Ad-free experience available with subscription • Built-in feedback and suggestions USE MAGNETOMETER FOR Explore magnetic fields, compare field strength between objects or locations, detect magnetic changes, test your phone’s magnetic sensor, run experiments and demonstrations, or record measurements for later analysis. Magnetic field readings depend on your device’s built-in magnetometer and calibration. Nearby magnets, metal objects and electronics may affect measurements. This app is intended for general measurement, experimentation and educational use and is not a replacement for calibrated professional equipment. LICENSED APPLICATION END USER LICENSE AGREEMENT: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: AimSat at none against Magnetometer...'s 2. AimSat also leads on ads (none vs shown) and iOS requirement (13.0 vs 15.0). On price 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
Both are free to download. Magnetometer... sells 2 in-app purchases, starting at $1.99 per month. AimSat asks for nothing beyond the download.
| Parameter | AimSat | Magnetometer... |
|---|---|---|
| Price | Free | Free |
| Update frequency | Daily | — |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 23 MB | 97 MB |
| Age rating | 4+ | 4+ |
| Developer | ZACHARY AARON CALDWELL | Olga Ivanova |
In-app purchases
AimSat
No in-app purchases
Magnetometer...
- magnetometer_by_oliva_subscription$1.991 Month
- magnetometer_by_oliva_donation$1.99
Questions
Is AimSat free?
Is Magnetometer... free?
Do AimSat or Magnetometer... have ads?
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