# Pump Calculator vs WeldOffice

The clearest difference is price: WeldOffice at Free against Pump Calculator's $2.99. WeldOffice also leads on update cadence (every 3 months vs every 41 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

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

Pump Calculator ships an update every 41 months, WeldOffice every 3 months. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Pump Calculator | WeldOffice |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/pump-calculator/id1487084383/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 41 months | **Every 3 months** |
| Monetization | Paid | — |
| Size | 1 MB | 20 MB |
| Requires iOS | **16.1** | 16.6 |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Imran Pinjara](https://appshunter.io/developer/1484488781) | [ASMEIX CORPORATION](https://appshunter.io/developer/911716652) |

## What reviewers say

### Pump Calculator

[App page](https://appshunter.io/ios/app/pump-calculator/id1487084383)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### WeldOffice

[App page](https://appshunter.io/ios/app/weldoffice/id6615075038)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Pump Calculator free?

Pump Calculator costs $2.99, with no in-app purchases.

### Is WeldOffice free?

WeldOffice is free to download, with no in-app purchases.

### Do Pump Calculator or WeldOffice have ads?

Neither Pump Calculator nor WeldOffice shows ads.

### Which is updated more often, Pump Calculator or WeldOffice?

Pump Calculator ships an update every 41 months, and WeldOffice every 3 months. Most recently, Pump Calculator was updated on November 3, 2026 and WeldOffice on October 30, 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.*