# Pypley vs Pipe Flow Liquid Flow Rate

The clearest difference is price: Pipe Flow Liquid Flow Rate at Free against Pypley's $2.99. Pipe Flow Liquid Flow Rate also leads on rating (4.9 vs 1.0) and ratings volume (8 vs 1). Pypley's advantage is in-app purchases (none vs 1). On update cadence, ads and device support there is nothing between them.

Pipe Flow Liquid Flow Rate is free to download; Pypley costs $2.99 up front. Pipe Flow Liquid Flow Rate sells 1 one-off in-app purchase. Pypley asks for nothing beyond the download.

Pipe Flow Liquid Flow Rate holds the better App Store score, 4.9 against 1.0. That said, the two scores are not equally well evidenced: Pipe Flow Liquid Flow Rate has 8 ratings behind it against 1, so its average is the more settled of the two.

Pypley ships an update every 3 weeks, Pipe Flow Liquid Flow Rate fortnightly. The most recent releases landed on October 20, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Pypley | Pipe Flow Liquid Flow Rate |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/pypley/id1540444278/reviews) | **[4.9 (8 ratings)](https://appshunter.io/ios/app/pipe-flow-liquid-flow-rate/id1582818872/reviews)** |
| Number of ratings | 1 | **8** |
| Positive reviews | 83.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 4 MB | 67 MB |
| Requires iOS | 13.0 | **11.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Ali Mohammed](https://appshunter.io/developer/1540444280) | [Pipe Flow Software](https://appshunter.io/developer/1193064957) |

## 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, Vision Pro support

**In-app purchases:** none


### Pipe Flow Liquid Flow Rate

[App page](https://appshunter.io/ios/app/pipe-flow-liquid-flow-rate/id1582818872)

Calculate fluid flow rate in pipes, including friction and fitting losses, using accurate engineering equations. Features extensive databases for liquids, pipes, and fittings, with customizable units and reporting options.

**Highlights:** Fluid flow rate calculation, Friction and fitting loss calculation, Extensive material and fluid databases, Customizable units (Imperial/Metric), Professional Excel and PDF reports, Results verification against published data

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pipe Flow Flow Rate | $4.99 | one-time |


## Frequently asked questions

### Is Pypley free?

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

### Is Pipe Flow Liquid Flow Rate free?

Pipe Flow Liquid Flow Rate is free to download, with in-app purchases available.

### Which has better reviews, Pypley or Pipe Flow Liquid Flow Rate?

Pipe Flow Liquid Flow Rate is rated higher. Pypley averages 1.0 out of 5 from 1 ratings, while Pipe Flow Liquid Flow Rate averages 4.9 from 8 ratings.

### Do Pypley or Pipe Flow Liquid Flow Rate have ads?

Neither Pypley nor Pipe Flow Liquid Flow Rate shows ads.

### Which is updated more often, Pypley or Pipe Flow Liquid Flow Rate?

Pypley ships an update every 3 weeks, and Pipe Flow Liquid Flow Rate fortnightly. Most recently, Pypley was updated on October 20, 2026 and Pipe Flow Liquid Flow Rate on October 24, 2026.

---

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