# Smart Throttle vs SolarZero

The clearest difference is device support: SolarZero at 2 against Smart Throttle's —. Smart Throttle's advantage is iOS requirement (10.0 vs 17.0). On price 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.

## The numbers

| Metric | Smart Throttle | SolarZero |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 35.7% of reviews |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | — | Monthly |
| Monetization | — | Free |
| Size | 79 MB | 22 MB |
| Requires iOS | **10.0** | 17.0 |
| Devices | — | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Go tyres Mobile pty ltd](https://appshunter.io/developer/1681068977) | [solarZero Limited](https://appshunter.io/developer/1283894275) |

## What reviewers say

### Smart Throttle

[App page](https://appshunter.io/ios/app/smart-throttle/id6447357393)

**In-app purchases:** none


### SolarZero

[App page](https://appshunter.io/ios/app/solarzero/id6504657190)

Monitor and optimize your home's solar energy system with real-time data on energy generation and usage. Track carbon savings, access energy-saving modes, and refer friends to the service.

**Highlights:** Real-time energy generation and usage data, Energy import/export status updates, Carbon savings and footprint tracking, Hot water energy saving mode, Refer-a-Friend program

**In-app purchases:** none


## Frequently asked questions

### Is Smart Throttle free?

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

### Is SolarZero free?

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

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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.*