Comparison

FD Pump Ops vs Reverse Flow

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

FD Pump Ops

This comprehensive fireground operating system provides firefighters with essential tools for pump operations, fire flow estimation, relay pumping, wildland incidents, and company officer decision-making. It offers a distraction-free, offline-capable interface designed for high-stress environments, replacing traditional reference materials with digital confidence.

Highlights
  • Pump discharge pressure calculations
  • Friction loss for various lines
  • Fire flow estimation methods
  • Relay pumping calculations
  • Wildland fire tools
  • Company officer decision support
  • Offline functionality
Features
Read full description

Own Your Panel. Own the Fireground. 24/7. This is not another calculator app. This is a complete fireground operating system built for real firefighters, engineers, and company officers who want absolute confidence on the pump panel and beyond. Designed by firefighters, for firefighters, this app delivers the most comprehensive collection of fire hydraulics, engineer tools, wildland calculators, training references, and company officer resources available on the App Store today. For one low price of $4.99, you get everything. No subscriptions. No locked essentials. No gimmicks. ENGINEER AND PUMP OPERATIONS Master your pump panel with speed and accuracy: Pump Discharge Pressure calculations for common and custom scenarios Friction loss for attack lines, supply lines, LDH, and relay operations Smoothbore and fog nozzle support with customizable pressures Quick presets for residential, commercial, master streams, and dead loads Adjustable hose coefficients and department specific defaults Know your numbers instantly, even under stress. FIRE FLOW MADE PRACTICAL Estimate fire flow with confidence using: Iowa State fire flow method NFA fire flow method Quick building presets and manual dimension entry Clear explanations built into the interface Stop guessing. Flow what the fire demands. RELAY PUMPING SIMPLIFIED Plan long distance water supply without the math headache: Engine spacing calculations Multi engine relay pressure planning LDH and supply line options Clear setup guidance for real world deployment Built for rural, wildland, and extended operations. WILDLAND AND RURAL OPERATIONS Critical tools for the wildland environment: LCES, Watch Outs, and Fire Orders reference Fire weather tracking and interpretation RH and dew point calculator Slope percentage calculator Fire spotting distance modeling Fuel moisture content tools Safety zone distance calculator Everything you need when the fire is moving faster than the plan. COMPANY OFFICER TOOLBOX Support decision making on arrival and throughout the incident: First due size up checklists Flow path and ventilation risk reminders VEIS decision guidance Mayday quick action references RIT air management calculator Collapse zone visualizer Exposure separation distance tools Building construction identification Built to help officers think clearly when seconds matter. FIELD TOOLBOX AND UTILITIES Everyday tools firefighters actually use: Stopwatch and timers Compass and GPS location tools Altimeter and speed tracking Area calculation tools Foam tank duration estimator BUILT FOR THE FIREGROUND Fast, clean, distraction free interface Works offline when signal disappears Designed for gloved hands and high stress environments Customizable to match your department standards This app replaces notebooks, cheat cards, and mental math with confidence and clarity. THE BOTTOM LINE If you pump, lead, train, or operate on the fireground, this app belongs on your phone. For $4.99, you gain a professional grade fireground toolkit that helps you: Make faster decisions Reduce mistakes Train smarter Perform with confidence Own the fireground. Master your pump panel. Anytime. Anywhere.

About

Reverse Flow

This professional fireground hydraulics platform assists firefighters and pump operators in calculating complex flow rates, pump discharge pressures, and relay pumping requirements. It supports various nozzle types and allows for custom hose coefficients and elevation adjustments for accurate operational planning and decision support.

Highlights
  • Reverse Flow calculations
  • Required PDP calculations
  • Relay Pumping calculations
  • Split Lay analysis
  • Pump Chart storage
  • Nozzle support
  • Custom hose coefficients
Features
Read full description

The ultimate Fireground Hydraulics app! Constantly evolving and improving features. Currently includes: - Generous Suite of calculators - Friction Loss and Pump chart generators - Reference Materials - IOS Widgets Completely Free | No Purchase Required | Supported by the Reverse Flow Community Privacy Policy: https://reverse-flow.app/privacy.html Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

FD Pump Ops4 screens
Reverse Flow4 screens

Verdict

The call

The clearest difference is monetization model: Reverse Flow at free against FD Pump Ops's paid. Reverse Flow also leads on ratings volume (5 vs 1). On price, rating, ads and in-app purchases 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. FD Pump Ops sells 1 one-off in-app purchase and Reverse Flow sells 4 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for FD Pump Ops against 5.0 for Reverse Flow. That said, the two scores are not equally well evidenced: Reverse Flow has 5 ratings behind it against 1, so its average is the more settled of the two.

Scorecard2 real differences · 7 level
FD Pump Ops versus Reverse Flow: the parameters behind the verdict, then further details
ParameterFD Pump OpsReverse Flow
PriceFreeFree
Rating5.0 (1 ratings)5.0 (5 ratings)
Number of ratings15 — better
Update frequency—Weekly
AdsNoNo
In-app purchasesYesYes
MonetizationPaidFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.115.0 — better
Further details — not scored
Size52 MB8 MB
Age rating4+4+
DeveloperPaul BrewerDEREK ANDREW MURDOCK

Customer experience

FD Pump Ops

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Reverse Flow

All ratings5 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

1 purchases

FD Pump Ops

One-time1
  • Pro$4.99
4 purchases

Reverse Flow

Subscriptions2
  • Reverse Flow Monthly Support $3$2.991 Month
  • Reverse Flow Monthly Support $10$9.991 Month
One-time2
  • Reverse Flow One-Time Support $5$4.99
  • Reverse Flow Pro$4.99

Questions

Is FD Pump Ops free?
FD Pump Ops is free to download, with in-app purchases available.
Is Reverse Flow free?
Reverse Flow is free to download, with in-app purchases available.
Which has better reviews, FD Pump Ops or Reverse Flow?
FD Pump Ops and Reverse Flow are both rated 5.0 out of 5 on the App Store, from 1 and 5 ratings respectively.
Do FD Pump Ops or Reverse Flow have ads?
Neither FD Pump Ops nor Reverse Flow shows ads.

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