# NC One Water vs Basic Wastewater Operator Prep

The clearest difference is in-app purchases: NC One Water at none against Basic Wastewater Operator Prep's 3. NC One Water also leads on iOS requirement (11.0 vs 13.0). On price, ads and device support there is nothing between them.

Both are free to download. Basic Wastewater Operator Prep sells 3 in-app purchases, starting at $6.99 per 7 days. NC One Water asks for nothing beyond the download.

## The numbers

| Metric | NC One Water | Basic Wastewater Operator Prep |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 28 months | — |
| Size | 24 MB | 29 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Mobile Town Guide](https://appshunter.io/developer/1076797990) | [FLY SKY PTY LTD](https://appshunter.io/developer/1838696534) |

## What reviewers say

### NC One Water

[App page](https://appshunter.io/ios/app/nc-one-water/id6450940706)

**Features:** macOS Compatibility

**In-app purchases:** none


### Basic Wastewater Operator Prep

[App page](https://appshunter.io/ios/app/basic-wastewater-operator-prep/id6784085292)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Basic Wastewater Full Access | $6.99 | per 7 days |
| Basic Wastewater Full Access | $16.99 | per month |
| Basic Wastewater Lifetime | $69.99 | one-time |


## Frequently asked questions

### Is NC One Water free?

NC One Water is free to download, with no in-app purchases.

### Is Basic Wastewater Operator Prep free?

Basic Wastewater Operator Prep is free to download, with in-app purchases available.

### Do NC One Water or Basic Wastewater Operator Prep have ads?

Neither NC One Water nor Basic Wastewater Operator Prep 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.*