# Wireless Power Reader vs Solar Sphere

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.

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.

## The numbers

| Metric | Wireless Power Reader | Solar Sphere |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (6 ratings)](https://appshunter.io/ios/app/solar-sphere/id990396823/reviews)** |
| Number of ratings | — | **6** |
| Positive reviews | — | 44.4% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 7 months** | Every 9 months |
| Monetization | — | Free |
| Size | 11 MB | 3 MB |
| Requires iOS | 9.0 | 9.0 |
| Devices | iPad | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 17+ |
| Developer | [Motionics LLC](https://appshunter.io/developer/424498959) | [Pulsely Consulting Limited](https://appshunter.io/developer/475349326) |

## What reviewers say

### Wireless Power Reader

[App page](https://appshunter.io/ios/app/wireless-power-reader/id916611850)

**Features:** macOS Compatibility

**In-app purchases:** none


### Solar Sphere

[App page](https://appshunter.io/ios/app/solar-sphere/id990396823)

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.

**Highlights:** Real-time Kp-index monitoring, High-resolution solar images, Kp-index explanation, Geomagnetic storm indication, Drone flying safety guidance

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Wireless Power Reader free?

Wireless Power Reader is free to download, with no in-app purchases.

### Is Solar Sphere free?

Solar Sphere is free to download, with no in-app purchases.

### Do Wireless Power Reader or Solar Sphere have ads?

Neither Wireless Power Reader nor Solar Sphere shows ads.

### Which is updated more often, Wireless Power Reader or Solar Sphere?

Wireless Power Reader ships an update every 7 months, and Solar Sphere every 9 months. Most recently, Wireless Power Reader was updated on September 14, 2026 and Solar Sphere on June 1, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*