# GMtech vs solar

GMtech and solar are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

GMtech ships an update every 3 months, solar every 2 months. The most recent releases landed on September 23, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | GMtech | solar |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Size | 37 MB | 50 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [GM Outdoor](https://appshunter.io/developer/1837853910) | [Solar Mobile](https://appshunter.io/developer/1893516940) |

## What reviewers say

### GMtech

[App page](https://appshunter.io/ios/app/gmtech/id6752009314)

**Features:** macOS Compatibility

**In-app purchases:** none


### solar

[App page](https://appshunter.io/ios/app/solar-mobile/id6762241341)

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

**In-app purchases:** none


## Frequently asked questions

### Is GMtech free?

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

### Is solar free?

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

### Do GMtech or solar have ads?

Neither GMtech nor solar shows ads.

### Which is updated more often, GMtech or solar?

GMtech ships an update every 3 months, and solar every 2 months. Most recently, GMtech was updated on September 23, 2026 and solar on September 22, 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.*