Flow Test Calculator vs HiperGIS
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Flow Test Calculator
Calculate hydrant flow rates and determine maximum water system flow. This tool uses a standard variation of the Hazen-Williams formula for calculations. Imperial units are currently supported, with metric coming soon.
- Hydrant flow rate calculation
- Maximum water system flow determination
- Hazen-Williams formula implementation
- Imperial unit support
- Future metric unit support
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This app is a simple flow test calculator to assist the user with determining flow rates of hydrants as well as determining if the maximum flow of the water system. A standard variation of the Hazen-Williams formula is used to determine the Max Flow Available. All units are in Imperial. Metric to come soon.
HiperGIS
This app allows field workers to efficiently capture infrastructure data, log inspections, and issue maintenance work orders. It supports viewing GIS layers, asset maintenance history, and creating requests for supervisor approval. Designed for ease of use by all technical levels.
- View GIS layers by user group
- Log inspections and issue work orders
- Track asset maintenance history
- Add attachments to records
- Create supervisor approval requests
- Toggle GIS layers for viewing
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HiperGIS is now available on your iPhone or iPad! Easily capture maintenance issues and execute your preventative maintenance program. HiperGIS enables field workers of all technical levels to capture essential infrastructure data efficiently and accurately. Features: - View all GIS layers by user group - Log Inspections. - Issue corrective maintenance work orders. - View asset maintenance history. - Add attachments to your maintenance records. - Create requests for supervisor approval. - Toggle on and off layers for easier viewing ability
Screenshots
Verdict
The clearest difference is rating: HiperGIS at 5.0 against Flow Test Calculator's 4.1. HiperGIS also leads on in-app purchases (none vs 4) and update cadence (every 14 months vs every 90 months). Flow Test Calculator's advantage is ratings volume (63 vs 3). On price, ads, device support and iOS requirement 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. Flow Test Calculator sells 4 one-off in-app purchases. HiperGIS asks for nothing beyond the download.
HiperGIS holds the better App Store score, 5.0 against 4.1. That said, the two scores are not equally well evidenced: Flow Test Calculator has 63 ratings behind it against 3, so its average is the more settled of the two.
Flow Test Calculator ships an update every 90 months, HiperGIS every 14 months. The most recent releases landed on October 23, 2026 and October 4, 2026 respectively.
| Parameter | Flow Test Calculator | HiperGIS |
|---|---|---|
| Price | Free | Free |
| Rating | 4.1 (63 ratings) | 5.0 (3 ratings) — better |
| Positive reviews | 68.8% of reviews | — |
| Number of ratings | 63 — better | 3 |
| Update frequency | Every 90 months | Every 14 months — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 14.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 2 MB | 132 MB |
| Age rating | 4+ | 4+ |
| Developer | Larry Owens | gWorks |
Customer experience
Flow Test Calculator
HiperGIS
In-app purchases
Flow Test Calculator
- Disable Purchase Requests$0.99
- Disable Purchase Requests 1.99$1.99
- Disable Purchase Request 4.99$4.99
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- Disable Purchase Requests 9.99$9.99
HiperGIS
No in-app purchases
Questions
Is Flow Test Calculator free?
Is HiperGIS free?
Which has better reviews, Flow Test Calculator or HiperGIS?
Do Flow Test Calculator or HiperGIS have ads?
Which is updated more often, Flow Test Calculator or HiperGIS?
Other comparisons
