# Pypley vs EFHW Remote Switch

The clearest difference is price: EFHW Remote Switch at Free against Pypley's $2.99. EFHW Remote Switch also leads on update cadence (every 4 days vs every 3 weeks). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

EFHW Remote Switch is free to download; Pypley costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Pypley ships an update every 3 weeks, EFHW Remote Switch every 4 days. The most recent releases landed on June 25, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | Pypley | EFHW Remote Switch |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/pypley/id1540444278/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 83.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 4 days** |
| Monetization | Paid | — |
| Size | 4 MB | 30 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ali Mohammed](https://appshunter.io/developer/1540444280) | [Elia Chiarucci](https://appshunter.io/developer/1473204666) |

## What reviewers say

### Pypley

[App page](https://appshunter.io/ios/app/pypley/id1540444278)

This app calculates flow rate, pressure drop, and pump performance for circular pipe systems. It supports custom pumps and fittings, and allows for unit conversions between Metric and US Imperial. Ideal for hydraulic and process engineers for early-stage design and quick estimations.

**Highlights:** Flow rate and pressure drop calculation, Customizable pump and fitting database, Metric/Imperial unit conversion, Pump performance curve plotting, Cavitation risk assessment (NPSH), Reynolds number and friction factor calculation

**Features:** macOS Compatibility

**In-app purchases:** none


### EFHW Remote Switch

[App page](https://appshunter.io/ios/app/efhw-remote-switch/id6742027566)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Pypley free?

Pypley costs $2.99, with no in-app purchases.

### Is EFHW Remote Switch free?

EFHW Remote Switch is free to download, with no in-app purchases.

### Do Pypley or EFHW Remote Switch have ads?

Neither Pypley nor EFHW Remote Switch shows ads.

### Which is updated more often, Pypley or EFHW Remote Switch?

Pypley ships an update every 3 weeks, and EFHW Remote Switch every 4 days. Most recently, Pypley was updated on June 25, 2026 and EFHW Remote Switch on September 20, 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.*