# SOLAR ONE vs Rapid Charge

The clearest difference is update cadence: Rapid Charge at every 3 weeks against SOLAR ONE's every 4 months. SOLAR ONE's advantage is iOS requirement (13.0 vs 16.4). On price, ads, in-app purchases and device support there is nothing between them.

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

SOLAR ONE ships an update every 4 months, Rapid Charge every 3 weeks. The most recent releases landed on October 11, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | SOLAR ONE | Rapid Charge |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/rapid-charge/id6754316168/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Monetization | — | Free |
| Size | 347 MB | 62 MB |
| Requires iOS | **13.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Solar One](https://appshunter.io/developer/1649006606) | [Umbo SHPK](https://appshunter.io/developer/1847831647) |

## What reviewers say

### SOLAR ONE

[App page](https://appshunter.io/ios/app/solar-one/id6443745666)

**Features:** macOS Compatibility

**In-app purchases:** none


### Rapid Charge

[App page](https://appshunter.io/ios/app/rapid-charge/id6754316168)

Find and use electric vehicle charging stations with an interactive map. Monitor real-time availability, pay easily with multiple payment options, and access 24/7 support for a seamless charging experience.

**Highlights:** Interactive map to locate charging stations, Real-time station availability monitoring, Seamless payment processing, 24/7 customer support, View station distance and prices

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is SOLAR ONE free?

SOLAR ONE is free to download, with no in-app purchases.

### Is Rapid Charge free?

Rapid Charge is free to download, with no in-app purchases.

### Do SOLAR ONE or Rapid Charge have ads?

Neither SOLAR ONE nor Rapid Charge shows ads.

### Which is updated more often, SOLAR ONE or Rapid Charge?

SOLAR ONE ships an update every 4 months, and Rapid Charge every 3 weeks. Most recently, SOLAR ONE was updated on October 11, 2026 and Rapid Charge on October 5, 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.*