# ZeroFootprint vs iGreenVOLT

The clearest difference is update cadence: iGreenVOLT at every 2 weeks against ZeroFootprint's every 7 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.

ZeroFootprint ships an update every 7 months, iGreenVOLT every 2 weeks. The most recent releases landed on June 2, 2026 and August 17, 2026 respectively.

## The numbers

| Metric | ZeroFootprint | iGreenVOLT |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 2 weeks** |
| Size | 97 MB | 91 MB |
| Requires iOS | 16.6 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [Rocknetz Systems Private Limited](https://appshunter.io/developer/1698128502) | [iGreenVOLT](https://appshunter.io/developer/1728416351) |

## What reviewers say

### ZeroFootprint

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

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### iGreenVOLT

[App page](https://appshunter.io/ios/app/igreenvolt-ev-charging/id6476971169)

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

**In-app purchases:** none


## Frequently asked questions

### Is ZeroFootprint free?

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

### Is iGreenVOLT free?

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

### Do ZeroFootprint or iGreenVOLT have ads?

Neither ZeroFootprint nor iGreenVOLT shows ads.

### Which is updated more often, ZeroFootprint or iGreenVOLT?

ZeroFootprint ships an update every 7 months, and iGreenVOLT every 2 weeks. Most recently, ZeroFootprint was updated on June 2, 2026 and iGreenVOLT on August 17, 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.*