# Solar Sphere vs Sonar Mobile

Solar Sphere and Sonar Mobile both sit at 4.1 stars, but that hides the real split: 100% of Sonar Mobile's written reviews are positive against 40% of Solar Sphere's. Sonar Mobile also leads on update cadence (every 6 weeks vs every 9 months). Solar Sphere's advantage is device support (4 vs 2) and iOS requirement (9.0 vs 16.0). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 4.1 for Solar Sphere against 4.2 for Sonar Mobile. Both are backed by a comparable volume of ratings — 7 and 10 respectively. Written reviews are what separate them: 40% of Solar Sphere's written reviews are positive against 100% of Sonar Mobile's.

Solar Sphere ships an update every 9 months, Sonar Mobile every 6 weeks. The most recent releases landed on October 26, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Solar Sphere | Sonar Mobile |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.1 (7 ratings)](https://appshunter.io/ios/app/solar-sphere/id990396823/reviews) | **[4.2 (10 ratings)](https://appshunter.io/ios/app/sonar-mobile/id1398130124/reviews)** |
| Number of ratings | 7 | **10** |
| Positive reviews | 40.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 6 weeks** |
| Monetization | Free | Free |
| Size | 3 MB | 46 MB |
| Requires iOS | **9.0** | 16.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Pulsely Consulting](https://appshunter.io/developer/475349326) | [Advantix THINaër LLC](https://appshunter.io/developer/1398130123) |

## What reviewers say

### 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, Apple Watch app, Vision Pro support

**In-app purchases:** none


### Sonar Mobile

[App page](https://appshunter.io/ios/app/sonar-mobile/id1398130124)

Locate Bluetooth devices and monitor environmental conditions in real-time. Gain insights into asset usage and maintenance needs without traditional tracking solutions. Jumpstart your business's digital transformation with this powerful IoT tool.

**Highlights:** Real-time asset location, Environmental condition monitoring, Bluetooth device tracking, Predictive maintenance alerts, Asset usage insights, Digital transformation tool

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Solar Sphere free?

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

### Is Sonar Mobile free?

Sonar Mobile is free to download, with no in-app purchases.

### Which has better reviews, Solar Sphere or Sonar Mobile?

Sonar Mobile is rated higher. Solar Sphere averages 4.1 out of 5 from 7 ratings, while Sonar Mobile averages 4.2 from 10 ratings.

### Do Solar Sphere or Sonar Mobile have ads?

Neither Solar Sphere nor Sonar Mobile shows ads.

### Which is updated more often, Solar Sphere or Sonar Mobile?

Solar Sphere ships an update every 9 months, and Sonar Mobile every 6 weeks. Most recently, Solar Sphere was updated on October 26, 2026 and Sonar Mobile on October 14, 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.*