Flexcon Water Tank Sizing App vs ProPump Calc
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Flexcon Water Tank Sizing App
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This application is for field operators to measure tank sizes.
ProPump Calc
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ProPump Calc - QF is the essential offline tool for well installers and technicians to quickly select the best QF submersible pump for any job. Full access requires a paid subscription (auto-renewable monthly or yearly, with a 14-day free trial available on first use). No internet required — perfect for remote sites and fieldwork. Unlock detailed pump/motor recommendations, multi-pipe configurations, check valve placement guidance, and in-stock filtering with your subscription. Subscriptions are subject to Apple's standard Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://sites.google.com/bluediamondfab.com/privacypolicy/home
Screenshots
Verdict
The clearest difference is in-app purchases: Flexcon Water Tank Sizing App at none against ProPump Calc's 2. Flexcon Water Tank Sizing App also leads on update cadence (daily vs every 3 weeks). ProPump Calc's advantage is iOS requirement (13.0 vs 15.6). On price, ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. ProPump Calc sells 2 in-app purchases, starting at $8.99 per month. Flexcon Water Tank Sizing App asks for nothing beyond the download.
Flexcon Water Tank Sizing App ships an update daily, ProPump Calc every 3 weeks. The most recent releases landed on October 25, 2026 and October 12, 2026 respectively.
| Parameter | Flexcon Water Tank Sizing App | ProPump Calc |
|---|---|---|
| Price | Free | Free |
| Update frequency | Daily — better | Every 3 weeks |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.6 | 13.0 — better |
| Further details — not scored | ||
| Size | 9 MB | 54 MB |
| Age rating | 4+ | 4+ |
| Developer | Flexcon Industries | Brandon Wright |
In-app purchases
Flexcon Water Tank Sizing App
No in-app purchases
ProPump Calc
- ProPump Monthly Subscription14 Days trial$8.991 Month
- ProPump Yearly Subscription14 Days trial$89.991 Year
Questions
Is Flexcon Water Tank Sizing App free?
Is ProPump Calc free?
Do Flexcon Water Tank Sizing App or ProPump Calc have ads?
Which is updated more often, Flexcon Water Tank Sizing App or ProPump Calc?
Other comparisons
