# Water Distribution Exam Prep vs Wastewater Operator Test Prep

The clearest difference is in-app purchases: Wastewater Operator Test Prep at none against Water Distribution Exam Prep's 9. On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Water Distribution Exam Prep sells 9 in-app purchases, starting at $3.99 per 7 days. Wastewater Operator Test Prep asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Water Distribution Exam Prep against 5.0 for Wastewater Operator Test Prep. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

## The numbers

| Metric | Water Distribution Exam Prep | Wastewater Operator Test Prep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/water-distribution-exam-prep/id6752021512/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/wastewater-operator-test-prep/id6761349297/reviews) |
| Number of ratings | **2** | 1 |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | — | Monthly |
| Monetization | Free with in-app purchases | **Free** |
| Size | 39 MB | 28 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [YAUHEN BAHDANOVICH](https://appshunter.io/developer/1711932790) | [Mike Watson](https://appshunter.io/developer/1848411021) |

## What reviewers say

### Water Distribution Exam Prep

[App page](https://appshunter.io/ios/app/water-distribution-exam-prep/id6752021512)

Prepare for your water distribution operator certification exam with expert-crafted practice questions and realistic simulations. Track your progress, focus on weak areas, and gain the confidence needed for success in this vital public health role.

**Highlights:** Expertly crafted practice questions, Realistic exam simulations, Detailed explanations for each question, Customizable study plans, Progress tracking and analytics, Interactive learning tools, Regular content updates

**Features:** macOS Compatibility

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Water Operator Weekly Access | $3.99 | per 7 days |
| Water Operator Monthly Access | $9.99 | per month |
| WaterOp Monthly Full Access | $9.99 | per month |
| WaterOp Quarterly Full Access | $22.99 | per 3 months |
| WaterOp Quarterly Full Access | $22.99 | per 3 months |
| WaterOp Semiannual Full Access | $38.99 | per 6 months |
| WaterOp Semiannual Full Access | $38.99 | per 6 months |
| WaterOp Annual Full Access | $59.99 | per year |
| WaterOp Annual Full Access | $59.99 | per year |


### Wastewater Operator Test Prep

[App page](https://appshunter.io/ios/app/wastewater-operator-test-prep/id6761349297)

This professional calculator provides 16 essential wastewater treatment calculations for licensed operators, covering Class I through Class IV certification math. It displays formulas and substituted values for easy verification and works completely offline, making it ideal for field use.

**Highlights:** 16 essential wastewater calculations, Supports Class I-IV certification math, Shows formulas and substituted values, Works 100% offline, Large, readable results for field use, Copy result for sharing, Calculation history

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

**In-app purchases:** none


## Frequently asked questions

### Is Water Distribution Exam Prep free?

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

### Is Wastewater Operator Test Prep free?

Wastewater Operator Test Prep is free to download, with no in-app purchases.

### Which has better reviews, Water Distribution Exam Prep or Wastewater Operator Test Prep?

Water Distribution Exam Prep and Wastewater Operator Test Prep are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.

### Do Water Distribution Exam Prep or Wastewater Operator Test Prep have ads?

Neither Water Distribution Exam Prep nor Wastewater Operator Test 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.*