# ZeroFootprint vs ACS Energy

The clearest difference is iOS requirement: ACS Energy at 14 against ZeroFootprint's 16.6. 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.

## The numbers

| Metric | ZeroFootprint | ACS Energy |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | — |
| Size | 97 MB | 91 MB |
| Requires iOS | 16.6 | **14** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [Rocknetz Systems Private Limited](https://appshunter.io/developer/1698128502) | [Ayka Control Systems](https://appshunter.io/developer/6773667854) |

## What reviewers say

### ZeroFootprint

[App page](https://appshunter.io/ios/app/zerofootprint/id6449023899)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### ACS Energy

[App page](https://appshunter.io/ios/app/acs-energy/id6773667701)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is ZeroFootprint free?

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

### Is ACS Energy free?

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

### Do ZeroFootprint or ACS Energy have ads?

Neither ZeroFootprint nor ACS Energy shows ads.

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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.*