Comparison

Thetis Tools vs Pump Calculator

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

Head to head
About

Thetis Tools

Features
Read full description

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About

Pump Calculator

Calculate pump power requirements quickly and easily. This utility app features calculators for pump power, flow rate, and head, based on centrifugal pump principles. It's designed for engineers needing to determine hydraulic, shaft, and motor power.

Highlights
  • Pump Power Calculator
  • Pump Flow Rate Calculator
  • Pump Head Calculator
  • Hydraulic Power Calculation
  • Shaft Power Calculation
  • Motor Power Calculation
Features
Read full description

Pump Calculator is a professional engineering tool for performing pump power, pump head, and pump capacity calculations using standard hydraulic equations. It is designed for engineers, technicians, maintenance professionals, mechanical engineering students, and anyone involved in pump system design, analysis, sizing, and performance verification. The app provides fast and convenient hydraulic calculations with Metric and Imperial unit support, automatic unit conversion, and clear engineering results. Included Pump Calculators • Pump Power Calculator • Pump Head Calculator • Pump Capacity Calculator Pump Power Calculator Calculate the power requirements of a pump system based on operating conditions and pump efficiency. Calculate: • Hydraulic Power • Shaft Power • Motor Power • Power in kW • Power in HP Input parameters include: • Flow Rate • Fluid Density • Pump Head • Pump Efficiency • Motor Efficiency This calculator can help with pump sizing, motor selection, energy estimation, and preliminary system analysis. Pump Head Calculator Calculate pump head from known operating conditions. Calculate: • Pump Head in meters • Pump Head in millimeters • Pump Head in feet Input parameters include: • Pump Power • Fluid Density • Flow Rate This tool is useful for analyzing existing pump systems, checking operating conditions, and verifying pump performance using available field or design data. Pump Capacity Calculator Calculate pump flow capacity for a given power and pump head. Calculate: • Pump Capacity in m³/hr • Pump Capacity in CFM • Additional flow units for reference Input parameters include: • Pump Power • Fluid Density • Pump Head This calculator can assist with pump selection, flow estimation, and preliminary hydraulic system design. Features • Pump power calculation • Hydraulic power calculation • Shaft power calculation • Motor power calculation • Pump head calculation • Pump capacity calculation • Metric and Imperial units • Automatic unit conversion • Multiple output units • Clear and readable results • Fast engineering calculations • Simple and professional interface • No internet connection required Applications Pump Calculator is useful for: • Pump System Design • Pump Sizing • Motor Selection • Hydraulic System Analysis • Water Pumping Systems • Industrial Pumping • Process Engineering • HVAC Systems • Plant Maintenance • Mechanical Engineering • Fluid Handling Systems • Engineering Education Designed For • Mechanical Engineers • Process Engineers • Maintenance Engineers • Design Engineers • Plant Engineers • Engineering Technicians • Equipment Designers • Maintenance Professionals • Engineering Students Pump Calculator helps simplify common hydraulic calculations and provides quick reference values for pump power, head, capacity, and related operating conditions. Whether you are selecting a pump motor, estimating hydraulic power, checking pump head, or determining flow capacity, Pump Calculator provides a convenient engineering calculation tool for everyday pump system analysis.

Screenshots

Thetis Tools3 screens
Pump Calculator4 screens

Verdict

The call

The clearest difference is price: Thetis Tools at Free against Pump Calculator's $2.99. Thetis Tools also leads on update cadence (every 7 months vs every 41 months) and iOS requirement (14.0 vs 16.1). On ads, in-app purchases 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

CostPrice · In-app purchases · Ads · Monetization

Thetis Tools is free to download; Pump Calculator costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Thetis Tools ships an update every 7 months, Pump Calculator every 41 months. The most recent releases landed on September 10, 2026 and August 24, 2026 respectively.

Scorecard3 real differences · 7 level
Thetis Tools versus Pump Calculator: the parameters behind the verdict, then further details
ParameterThetis ToolsPump Calculator
PriceFree — better$2.99
Rating—1.0 (1 ratings) — better
Positive reviews—0.0% of reviews
Number of ratings—1 — better
Update frequencyEvery 7 months — betterEvery 41 months
AdsNoNo
In-app purchasesNoNo
Monetization—Paid
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS14.0 — better16.1
Further details — not scored
Size50 MB1 MB
Age rating4+4+
DeveloperThetis srlImran Pinjara

In-app purchases

None

Thetis Tools

No in-app purchases

None

Pump Calculator

No in-app purchases

Questions

Is Thetis Tools free?
Thetis Tools is free to download, with no in-app purchases.
Is Pump Calculator free?
Pump Calculator costs $2.99, with no in-app purchases.
Do Thetis Tools or Pump Calculator have ads?
Neither Thetis Tools nor Pump Calculator shows ads.
Which is updated more often, Thetis Tools or Pump Calculator?
Thetis Tools ships an update every 7 months, and Pump Calculator every 41 months. Most recently, Thetis Tools was updated on September 10, 2026 and Pump Calculator on August 24, 2026.

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