# GasGrid vs ZeroDay

The clearest difference is ads: GasGrid at none against ZeroDay's shown. ZeroDay's advantage is update cadence (every 4 days vs every 2 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

GasGrid ships an update every 2 months, ZeroDay every 4 days. The most recent releases landed on October 18, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | GasGrid | ZeroDay |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 4 days** |
| Size | 43 MB | 4 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [CLOUD4THINGS TECHNOLOGIES PRIVATE LIMITED](https://appshunter.io/developer/1711576065) | [Keith Lai](https://appshunter.io/developer/1499728762) |

## What reviewers say

### GasGrid

[App page](https://appshunter.io/ios/app/gasgrid/id6469695878)

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

**In-app purchases:** none


### ZeroDay

[App page](https://appshunter.io/ios/app/zeroday/id6759825480)

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

**In-app purchases:** none


## Frequently asked questions

### Is GasGrid free?

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

### Is ZeroDay free?

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

### Do GasGrid or ZeroDay have ads?

ZeroDay shows ads; GasGrid does not.

### Which is updated more often, GasGrid or ZeroDay?

GasGrid ships an update every 2 months, and ZeroDay every 4 days. Most recently, GasGrid was updated on October 18, 2026 and ZeroDay on October 16, 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.*