# Plutocalc+ Water vs The Backflow Assistant

The clearest difference is price: The Backflow Assistant at Free against Plutocalc+ Water's $4.99. The Backflow Assistant also leads on rating (5.0 vs 4.0) and ratings volume (3 vs 1). Plutocalc+ Water's advantage is in-app purchases (none vs 2) and device support (3 vs 1). On ads there is nothing between them.

The Backflow Assistant is free to download; Plutocalc+ Water costs $4.99 up front. The Backflow Assistant sells 2 in-app purchases, starting at $9.99 per month. Plutocalc+ Water asks for nothing beyond the download.

The Backflow Assistant holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 1 and 3 respectively.

## The numbers

| Metric | Plutocalc+ Water | The Backflow Assistant |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | [4.0 (1 ratings)](https://appshunter.io/ios/app/plutocalc-plus-water/id1142058236/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/the-backflow-assistant/id6746165015/reviews)** |
| Number of ratings | 1 | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | — |
| Monetization | **Paid** | Subscription |
| Size | 5 MB | 21 MB |
| Requires iOS | **13.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Daniel Peig](https://appshunter.io/developer/1142058235) | [Cloud Brew LLC](https://appshunter.io/developer/1815522422) |

## What reviewers say

### Plutocalc+ Water

[App page](https://appshunter.io/ios/app/plutocalc-plus-water/id1142058236)

This comprehensive engineering calculator suite offers over 100 solvers for water treatment, hydraulics, and environmental chemistry. It provides instant results with self-explanatory diagrams and internal databases, functioning completely offline. Available in multiple languages, it's designed for professionals needing precise calculations on the go.

**Highlights:** 103 solvers for water treatment and hydraulics, 2670+ calculations with instant results, Self-explanatory diagrams, Internal chemical and standards databases, 100% offline functionality, Multiple language support, Advertisement-free experience

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

**In-app purchases:** none


### The Backflow Assistant

[App page](https://appshunter.io/ios/app/the-backflow-assistant/id6746165015)

This app streamlines backflow prevention testing with digital reporting and efficient workflow management. It helps testers generate professional reports, import work orders, and maintain compliance, reducing manual entry and errors.

**Highlights:** Advanced report creation and editing, Seamless work order import via CSV, Professional report generation and export, Intuitive user-friendly design, Secure data handling and record keeping, Regular updates based on user feedback

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $9.99 | per month |
| Annual Subscription | $99.99 | per year |


## Frequently asked questions

### Is Plutocalc+ Water free?

Plutocalc+ Water costs $4.99, with no in-app purchases.

### Is The Backflow Assistant free?

The Backflow Assistant is free to download, with in-app purchases available.

### Which has better reviews, Plutocalc+ Water or The Backflow Assistant?

The Backflow Assistant is rated higher. Plutocalc+ Water averages 4.0 out of 5 from 1 ratings, while The Backflow Assistant averages 5.0 from 3 ratings.

### Do Plutocalc+ Water or The Backflow Assistant have ads?

Neither Plutocalc+ Water nor The Backflow Assistant shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*