# SolarTouch vs TPGC

The clearest difference is iOS requirement: SolarTouch at 8.0 against TPGC's 13.0. 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.

SolarTouch ships an update every 3 weeks, TPGC every 6 weeks. Both last shipped on September 16, 2026.

## The numbers

| Metric | SolarTouch | TPGC |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.6 (7 ratings)](https://appshunter.io/ios/app/solartouch/id1448823981/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 6 weeks |
| Monetization | Free | — |
| Size | 58 MB | 59 MB |
| Requires iOS | **8.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [AsianPowerDevicesInc](https://appshunter.io/developer/1214788661) | [北京光益新能源科技有限公司](https://appshunter.io/developer/1712802563) |

## What reviewers say

### SolarTouch

[App page](https://appshunter.io/ios/app/solartouch/id1448823981)

Monitor your solar inverter's performance and access its configuration settings. Track inverter data logs and manage settings remotely. This utility app helps you keep tabs on your solar energy system's efficiency.

**Highlights:** Monitor inverter data, Access inverter logs, Configure inverter settings, Remote monitoring, Track solar energy system performance

**Features:** macOS Compatibility

**In-app purchases:** none


### TPGC

[App page](https://appshunter.io/ios/app/tpgc/id6479881406)

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

**In-app purchases:** none


## Frequently asked questions

### Is SolarTouch free?

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

### Is TPGC free?

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

### Do SolarTouch or TPGC have ads?

Neither SolarTouch nor TPGC shows ads.

### Which is updated more often, SolarTouch or TPGC?

SolarTouch ships an update every 3 weeks, and TPGC every 6 weeks. Most recently, SolarTouch was updated on September 16, 2026 and TPGC on September 16, 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.*