# SolarGPS2 vs Power car C.H.A9

The clearest difference is update cadence: SolarGPS2 at monthly against Power car C.H.A9's every 3 months. 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.

SolarGPS2 ships an update monthly, Power car C.H.A9 every 3 months. The most recent releases landed on September 16, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | SolarGPS2 | Power car C.H.A9 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 3 months |
| Size | 21 MB | 18 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [维刚 王](https://appshunter.io/developer/913823126) | [Kimsroeurn Sokchea](https://appshunter.io/developer/1706768033) |

## What reviewers say

### SolarGPS2

[App page](https://appshunter.io/ios/app/solargps2/id1495788735)

**Features:** macOS Compatibility

**In-app purchases:** none


### Power car C.H.A9

[App page](https://appshunter.io/ios/app/power-car-cha9/id6465794472)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SolarGPS2 free?

SolarGPS2 is free to download, with no in-app purchases.

### Is Power car C.H.A9 free?

Power car C.H.A9 is free to download, with no in-app purchases.

### Do SolarGPS2 or Power car C.H.A9 have ads?

Neither SolarGPS2 nor Power car C.H.A9 shows ads.

### Which is updated more often, SolarGPS2 or Power car C.H.A9?

SolarGPS2 ships an update monthly, and Power car C.H.A9 every 3 months. Most recently, SolarGPS2 was updated on September 16, 2026 and Power car C.H.A9 on September 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.*