Flow Test Calculator vs FormLink
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.
FormLink
Streamline fire and life safety inspections with digital forms and issue tracking. Generate professional PDF reports quickly and manage compliance. Access data anywhere, online or offline, and easily switch from paper-based processes.
- Digital inspection forms
- Issue tracking and deficiency management
- Professional PDF report generation
- Offline form completion
- Custom form building tools
- Inspection due date tracking
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FormLink offers digital inspection forms, issue tracking, and customer reporting for Fire and Life Safety systems. Using FormLink you can easily complete your Fire and Life Safety inspection forms using your mobile device. You can deliver professional PDF inspection reports in minutes, not days or weeks. FormLink allows you to track your inspections and deficiencies so you can increase compliance or service work. The FormLink system lets you access your data anywhere. Work online or download forms to your mobile device. Once downloaded, inspection forms can be completed without an internet connection. You can upload your completed inspection forms the next time you have a connection. Our mobile-friendly inspection forms make it easy to switch from paper. Formlink Systems is here to offer all of your required documents in a digital form to be able to save your inspectors time in the field. We offer the NFPA 25 in a digital Fire Inspection Software that your inspection team can access from their phone or tablet, where ever they are. Having access to the NFPA 25 is very important as it is the standard for all inspections, maintenance, and testing for any fire protection system that is water based. We also offer the NFPA 72 inspection form in a digital form. This form is used to make sure that business’ systems are up-to-date on all of the latest safety codes for fire alarm systems. The NFPA 72 also monitors all of the standards for mass notification systems, such as weather, biological, chemical, and nuclear emergencies. Use our existing forms, have us create a form for you, or use the custom form building tools to create one yourself. Our software will track when your submissions are due so you never miss an inspection. When you complete a form, all deficiencies are tracked so you can ensure your community is safe. It is important to be sure that your employees have the best technology in the field. It is time to give your team the best Fire Inspection Software available. Contact FormLink Systems and speak to a representative to get set up today!
Screenshots
Verdict
Flow Test Calculator and FormLink both sit at 4.1 stars, but that hides the real split: 69% of Flow Test Calculator's written reviews are positive against 0% of FormLink's. Flow Test Calculator also leads on ratings volume (63 vs 4). FormLink's advantage is in-app purchases (none vs 4) and update cadence (monthly vs every 90 months). On price, rating, 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. Flow Test Calculator sells 4 one-off in-app purchases. FormLink asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 4.1 for Flow Test Calculator against 4.0 for FormLink. That said, the two scores are not equally well evidenced: Flow Test Calculator has 63 ratings behind it against 4, so its average is the more settled of the two. Written reviews are what separate them: 69% of Flow Test Calculator's written reviews are positive against 0% of FormLink's.
Flow Test Calculator ships an update every 90 months, FormLink monthly. The most recent releases landed on September 18, 2026 and September 23, 2026 respectively.
| Parameter | Flow Test Calculator | FormLink |
|---|---|---|
| Price | Free | Free |
| Rating | 4.1 (63 ratings) — better | 4.0 (4 ratings) |
| Positive reviews | 68.8% of reviews — better | 0.0% of reviews |
| Number of ratings | 63 — better | 4 |
| Update frequency | Every 90 months | Monthly — 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 | 11.0 — better |
| Further details — not scored | ||
| Size | 2 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Larry Owens | Inspect Point Holdings, LLC |
Customer experience
Flow Test Calculator
FormLink
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
FormLink
No in-app purchases
Questions
Is Flow Test Calculator free?
Is FormLink free?
Which has better reviews, Flow Test Calculator or FormLink?
Do Flow Test Calculator or FormLink have ads?
Which is updated more often, Flow Test Calculator or FormLink?
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