# Thermal Engineering Calc vs Pumping Power Calculator

The clearest difference is update cadence: Thermal Engineering Calc at every 15 months against Pumping Power Calculator's every 38 months. Thermal Engineering Calc also leads on price ($2.99 vs $3.99). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Thermal Engineering Calc costs $2.99 and Pumping Power Calculator $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Thermal Engineering Calc ships an update every 15 months, Pumping Power Calculator every 38 months. The most recent releases landed on November 1, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Thermal Engineering Calc | Pumping Power Calculator |
| --- | --- | --- |
| Price | **$2.99** | $3.99 |
| Rating | **[4.7 (6 ratings)](https://appshunter.io/ios/app/thermal-engineering-calc/id684142208/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 15 months** | Every 38 months |
| Monetization | Paid | — |
| Size | 3 MB | 20 MB |
| Requires iOS | 16.1 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [V PUGAZHENTHI](https://appshunter.io/developer/491898049) | [Gorasiya Vishal Nanjibhai](https://appshunter.io/developer/1287086933) |

## What reviewers say

### Thermal Engineering Calc

[App page](https://appshunter.io/ios/app/thermal-engineering-calc/id684142208)

This app provides 44 calculators for thermal engineering parameters, along with thermodynamics tables, formulas, and definitions. It's a comprehensive tool for mechanical engineers and students needing to perform various thermal calculations.

**Highlights:** 44 thermal engineering calculators, Thermodynamics tables, Formulas and definitions, Carnot and Rankine efficiency calculators, Heat transfer calculations, Temperature conversion

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Pumping Power Calculator

[App page](https://appshunter.io/ios/app/pumping-power-calculator/id6446798051)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Thermal Engineering Calc free?

Thermal Engineering Calc costs $2.99, with no in-app purchases.

### Is Pumping Power Calculator free?

Pumping Power Calculator costs $3.99, with no in-app purchases.

### Do Thermal Engineering Calc or Pumping Power Calculator have ads?

Neither Thermal Engineering Calc nor Pumping Power Calculator shows ads.

### Which is updated more often, Thermal Engineering Calc or Pumping Power Calculator?

Thermal Engineering Calc ships an update every 15 months, and Pumping Power Calculator every 38 months. Most recently, Thermal Engineering Calc was updated on November 1, 2026 and Pumping Power Calculator on October 25, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*