Comparison

Flow Rate Help vs Pump Power

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

Head to head
About

Flow Rate Help

Calculate liquid flow rate, pipe diameter, or velocity with ease. Customize units for diameter, velocity, and flow rate, and set your preferred decimal places for precise results.

Highlights
  • Solve flow rate equations
  • Customizable diameter units
  • Customizable velocity units
  • Customizable flow rate units
  • Set decimal places
Features
Read full description

Quickly find flow rate, required pipe diameter or velocity of a liquid! Features Include: - Accurately solve flow rate equations - Set preferred diameter unit from: mm, cm, m, km, inches, feet, yards and miles - Set preferred velocity unit from: m/s, m/min, km/min, km/h, ft/s, ft/min, mi/min and mph - Set preferred flow rate unit from: m³/s, m³/min, m³/h, l/s, l/min, l/h, gps. gpm and gph - Select your preferred number of decimal places

About

Pump Power

Features
Read full description

This app is very handy and useful for calculation Pump Power requirement in simple,easy and faster way. This app has following calculator: Pump Power Calculator. Pump Flow Rate calculator. Pump Head Calculator. This app calculation is based on Centrifugal Pump. In this app we can calculate Following Powers: 1. hydraulic power 2.Shaft power 3.Motor Power This apps takes input of followings parameter: Flow rate in m3/hr pump head in m Material Density in kg/m3 pump efficiency motor efficiency. this app is useful for mechanical, chemical, electrical and instrumentation engineers. key words: pump, pump power, flow rate, head, hydraulic power, shaft power, fabrication, centrifugal pump,pump efficiency, motor efficiency.

Screenshots

Flow Rate Help3 screens
Pump Power4 screens

Verdict

The call

The clearest difference is update cadence: Flow Rate Help at every 15 months against Pump Power's every 56 months. Flow Rate Help also leads on device support (4 vs 2) and price ($0.99 vs $1.99). On 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

Flow Rate Help costs $0.99 and Pump Power $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Flow Rate Help ships an update every 15 months, Pump Power every 56 months. The most recent releases landed on August 6, 2026 and September 15, 2026 respectively.

Scorecard4 real differences · 6 level
Flow Rate Help versus Pump Power: the parameters behind the verdict, then further details
ParameterFlow Rate HelpPump Power
Price$0.99 — better$1.99
Rating4.3 (44 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings44 — better—
Update frequencyEvery 15 months — betterEvery 56 months
AdsNoNo
In-app purchasesNoNo
MonetizationPaid—
DevicesiPhone, iPad, iPod, Mac — betteriPhone, iPad
Requires iOS11.0 — better16.1
Further details — not scored
Size3 MB2 MB
Age rating4+4+
DeveloperArmchair EngineeringImran Pinjara

In-app purchases

None

Flow Rate Help

No in-app purchases

None

Pump Power

No in-app purchases

Questions

Is Flow Rate Help free?
Flow Rate Help costs $0.99, with no in-app purchases.
Is Pump Power free?
Pump Power costs $1.99, with no in-app purchases.
Do Flow Rate Help or Pump Power have ads?
Neither Flow Rate Help nor Pump Power shows ads.
Which is updated more often, Flow Rate Help or Pump Power?
Flow Rate Help ships an update every 15 months, and Pump Power every 56 months. Most recently, Flow Rate Help was updated on August 6, 2026 and Pump Power on September 15, 2026.

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