# Water Treatment Exam Prep 2026 vs Basic Wastewater Operator Prep

The clearest difference is device support: Basic Wastewater Operator Prep at 3 against Water Treatment Exam Prep 2026's 1. Basic Wastewater Operator Prep also leads on iOS requirement (13.0 vs 17.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Water Treatment Exam Prep 2026 sells 2 in-app purchases, starting at $9.99 per month and Basic Wastewater Operator Prep sells 3 in-app purchases, starting at $6.99 per 7 days. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Water Treatment Exam Prep 2026 | Basic Wastewater Operator Prep |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | — |
| Size | 6 MB | 29 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Deeun Inc.](https://appshunter.io/developer/1691824695) | [FLY SKY PTY LTD](https://appshunter.io/developer/1838696534) |

## What reviewers say

### Water Treatment Exam Prep 2026

[App page](https://appshunter.io/ios/app/water-treatment-exam-prep-2026/id6761682590)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro - Monthly | $9.99 | per month |
| Pro - Lifetime Access | $24.99 | one-time |


### 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 Water Treatment Exam Prep 2026 free?

Water Treatment Exam Prep 2026 is free to download, with in-app purchases available.

### Is Basic Wastewater Operator Prep free?

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

### Do Water Treatment Exam Prep 2026 or Basic Wastewater Operator Prep have ads?

Neither Water Treatment Exam Prep 2026 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.*