# Orbital Defense Protocol vs Grid Defense

The clearest difference is price: Grid Defense at Free against Orbital Defense Protocol's $0.99. Orbital Defense Protocol's advantage is in-app purchases (none vs 1). On ads, device support and iOS requirement there is nothing between them.

Grid Defense is free to download; Orbital Defense Protocol costs $0.99 up front. Grid Defense sells 1 one-off in-app purchase. Orbital Defense Protocol asks for nothing beyond the download.

## The numbers

| Metric | Orbital Defense Protocol | Grid Defense |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 2 weeks |
| Size | 68 MB | 10 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Carlos Nieto](https://appshunter.io/developer/1896214451) | [Dimitar Porkov](https://appshunter.io/developer/6790099306) |

## What reviewers say

### Orbital Defense Protocol

[App page](https://appshunter.io/ios/app/orbital-defense-protocol/id6766149607)

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

**In-app purchases:** none


### Grid Defense

[App page](https://appshunter.io/ios/app/grid-defense/id6790099304)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Game Unlock | $1.99 | one-time |


## Frequently asked questions

### Is Orbital Defense Protocol free?

Orbital Defense Protocol costs $0.99, with no in-app purchases.

### Is Grid Defense free?

Grid Defense is free to download, with in-app purchases available.

### Do Orbital Defense Protocol or Grid Defense have ads?

Neither Orbital Defense Protocol nor Grid Defense 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.*