# NSG Zero Hour vs Echo Flight.

The clearest difference is in-app purchases: NSG Zero Hour at none against Echo Flight.'s 6. NSG Zero Hour also leads on iOS requirement (13.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Echo Flight. sells 6 one-off in-app purchases. NSG Zero Hour asks for nothing beyond the download.

## The numbers

| Metric | NSG Zero Hour | Echo Flight. |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | — |
| Size | 153 MB | 5 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Excelsior Technologies](https://appshunter.io/developer/1061071132) | [Florian Poliakov](https://appshunter.io/developer/1867122277) |

## What reviewers say

### NSG Zero Hour

[App page](https://appshunter.io/ios/app/nsg-zero-hour-commando-gunner/id6754595543)

**Features:** macOS Compatibility

**In-app purchases:** none


### Echo Flight.

[App page](https://appshunter.io/ios/app/echo-flight/id6757461306)

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Starter Pack | $0.99 | one-time |
| Crystal Skin | $0.99 | one-time |
| Nebula Skin | $0.99 | one-time |
| Premium Pack | $1.99 | one-time |
| Phoenix Skin | $1.99 | one-time |
| Voidmaster Skin | $2.99 | one-time |


## Frequently asked questions

### Is NSG Zero Hour free?

NSG Zero Hour is free to download, with no in-app purchases.

### Is Echo Flight. free?

Echo Flight. is free to download, with in-app purchases available.

### Do NSG Zero Hour or Echo Flight. have ads?

Neither NSG Zero Hour nor Echo Flight. 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.*