Wireless Power Reader vs Solar Sphere
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Wireless Power Reader
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Note: This App requires Motionics wireless device (iWMD) to operate. Visit www.motionics.com for more details. Reads analog DC signals through WiFi channel of the iPad from any wireless device. This App can be used for wireless power monitoring of rotating machinery by monitoring the DC signals represents the power of the machine. The App can run in Offline Mode or in Online Mode by connecting any WiFi Device to monitor the input signal. Use the the Offline Mode to see and test all the features and capabilities of the App.
Solar Sphere
Monitor real-time solar activity with Kp-index data and high-resolution solar images. Understand geomagnetic disturbances and their impact on Earth's magnetic field. Ideal for drone pilots needing to check conditions before flying.
- Real-time Kp-index monitoring
- High-resolution solar images
- Kp-index explanation
- Geomagnetic storm indication
- Drone flying safety guidance
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The Solar Sphere provides current value of Kp-index derived from the NOAA Space Weather Prediction Center using data from multiple ground-based magnetometers. Also, current solar images are available in 4 different high resolution formats. The Kp-index quantifies solar disturbances in the horizontal component of earth's magnetic field with an integer in the range 0-9 with 1 being calm and 5 or more indicating a geomagnetic storm. For drone flyers, please only fly on solar KP Index less than 5.
Screenshots
Verdict
The clearest difference is device support: Solar Sphere at 4 against Wireless Power Reader's 1. On price, update cadence, 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.
Wireless Power Reader ships an update every 7 months, Solar Sphere every 9 months. The most recent releases landed on September 14, 2026 and June 1, 2026 respectively.
| Parameter | Wireless Power Reader | Solar Sphere |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.0 (6 ratings) — better |
| Positive reviews | — | 44.4% of reviews |
| Number of ratings | — | 6 — better |
| Update frequency | Every 7 months — better | Every 9 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPad | iPhone, iPad, iPod, Apple Watch — better |
| Requires iOS | 9.0 | 9.0 |
| Further details — not scored | ||
| Size | 11 MB | 3 MB |
| Age rating | 4+ | 17+ |
| Developer | Motionics LLC | Pulsely Consulting Limited |
In-app purchases
Wireless Power Reader
No in-app purchases
Solar Sphere
No in-app purchases
Questions
Is Wireless Power Reader free?
Is Solar Sphere free?
Do Wireless Power Reader or Solar Sphere have ads?
Which is updated more often, Wireless Power Reader or Solar Sphere?
Other comparisons
