# Solar Controller vs Automaxx Power Tracker

The clearest difference is update cadence: Automaxx Power Tracker at every 3 weeks against Solar Controller's every 9 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.

Solar Controller ships an update every 9 months, Automaxx Power Tracker every 3 weeks. Both last shipped on November 7, 2026.

## The numbers

| Metric | Solar Controller | Automaxx Power Tracker |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 3 weeks** |
| Size | 23 MB | 18 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [TBB Power Co., Ltd](https://appshunter.io/developer/1089239531) | [DIGISINE ENERGYTECH CO.,LTD.](https://appshunter.io/developer/1541781655) |

## What reviewers say

### Solar Controller

[App page](https://appshunter.io/ios/app/solar-controller/id1665008052)

**In-app purchases:** none


### Automaxx Power Tracker

[App page](https://appshunter.io/ios/app/automaxx-power-tracker/id6443824623)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Solar Controller free?

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

### Is Automaxx Power Tracker free?

Automaxx Power Tracker is free to download, with no in-app purchases.

### Do Solar Controller or Automaxx Power Tracker have ads?

Neither Solar Controller nor Automaxx Power Tracker shows ads.

### Which is updated more often, Solar Controller or Automaxx Power Tracker?

Solar Controller ships an update every 9 months, and Automaxx Power Tracker every 3 weeks. Most recently, Solar Controller was updated on November 7, 2026 and Automaxx Power Tracker on November 7, 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.*