# SolarGPS2 vs TAN EV Charging

The clearest difference is update cadence: TAN EV Charging at every 5 days against SolarGPS2's monthly. SolarGPS2's advantage is iOS requirement (12.0 vs 15.1). 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, TAN EV Charging every 5 days. The most recent releases landed on October 3, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | SolarGPS2 | TAN EV Charging |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 5 days** |
| Size | 21 MB | 62 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [维刚 王](https://appshunter.io/developer/913823126) | [Len Tan](https://appshunter.io/developer/1540234879) |

## What reviewers say

### SolarGPS2

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

**Features:** macOS Compatibility

**In-app purchases:** none


### TAN EV Charging

[App page](https://appshunter.io/ios/app/tan-ev-charging/id6800825738)

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

**In-app purchases:** none


## Frequently asked questions

### Is SolarGPS2 free?

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

### Is TAN EV Charging free?

TAN EV Charging is free to download, with no in-app purchases.

### Do SolarGPS2 or TAN EV Charging have ads?

Neither SolarGPS2 nor TAN EV Charging shows ads.

### Which is updated more often, SolarGPS2 or TAN EV Charging?

SolarGPS2 ships an update monthly, and TAN EV Charging every 5 days. Most recently, SolarGPS2 was updated on October 3, 2026 and TAN EV Charging on October 10, 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.*