# Flexcon Water Tank Sizing App vs ProPump

The clearest difference is in-app purchases: Flexcon Water Tank Sizing App at none against ProPump's 11. Flexcon Water Tank Sizing App also leads on update cadence (daily vs every 4 days). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. ProPump sells 11 in-app purchases, starting at $4.99 per month. Flexcon Water Tank Sizing App asks for nothing beyond the download.

Flexcon Water Tank Sizing App ships an update daily, ProPump every 4 days. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Flexcon Water Tank Sizing App | ProPump |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Daily** | Every 4 days |
| Size | 9 MB | 145 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Flexcon Industries](https://appshunter.io/developer/1801895162) | [Brandon Wright](https://appshunter.io/developer/1828458254) |

## What reviewers say

### Flexcon Water Tank Sizing App

[App page](https://appshunter.io/ios/app/flexcon-water-tank-sizing-app/id6743196195)

**Features:** macOS Compatibility

**In-app purchases:** none


### ProPump

[App page](https://appshunter.io/ios/app/propump/id6773907072)

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

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ProPump Goulds Monthly Subscription | $4.99 | per month |
| ProPumpPentair Monthly Subscription | $4.99 | per month |
| Franklin Monthly Subscription | $4.99 | per month |
| F&W Monthly Subscription | $4.99 | per month |
| ProPump Goulds Yearly Subscription | $44.99 | per year |
| ProPump Pentair Yearly Subscription | $49.99 | per year |
| Franklin Yearly Subscription | $49.99 | per year |
| F&W Yearly Subscription | $49.99 | per year |
| ProPump Small Team Subscription | $149.00 | per month |
| ProPump Growth Team Subscription | $279.00 | per month |
| ProPump Large Team Subscription | $679.00 | per month |


## Frequently asked questions

### Is Flexcon Water Tank Sizing App free?

Flexcon Water Tank Sizing App is free to download, with no in-app purchases.

### Is ProPump free?

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

### Do Flexcon Water Tank Sizing App or ProPump have ads?

Neither Flexcon Water Tank Sizing App nor ProPump shows ads.

### Which is updated more often, Flexcon Water Tank Sizing App or ProPump?

Flexcon Water Tank Sizing App ships an update daily, and ProPump every 4 days. Most recently, Flexcon Water Tank Sizing App was updated on October 25, 2026 and ProPump on October 24, 2026.

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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.*