# P/T Manager vs Pipe Sizer

The clearest difference is price: P/T Manager at Free against Pipe Sizer's $0.99. P/T Manager also leads on update cadence (every 4 months vs every 27 months) and iOS requirement (15.0 vs 17.6). Pipe Sizer's advantage is in-app purchases (none vs 1) and chart position (#189 vs unranked). On ads and device support there is nothing between them.

P/T Manager is free to download; Pipe Sizer costs $0.99 up front. P/T Manager sells 1 in-app purchase, starting at $3.99 per year. Pipe Sizer asks for nothing beyond the download.

P/T Manager ships an update every 4 months, Pipe Sizer every 27 months. The most recent releases landed on October 5, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | P/T Manager | Pipe Sizer |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/pipe-sizer-water-pipe-sizing/id1576656624/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 27 months |
| Monetization | — | Paid |
| Best chart rank | — | **#189** |
| Size | 1 MB | 1 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Aeronautical Data Systems Inc.](https://appshunter.io/developer/552304929) | [Wassim Murr](https://appshunter.io/developer/1474939474) |

## What reviewers say

### P/T Manager

[App page](https://appshunter.io/ios/app/pt-manager/id1544892210)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Free 30 days trial | $3.99 | per year |


### Pipe Sizer

[App page](https://appshunter.io/ios/app/pipe-sizer-water-pipe-sizing/id1576656624)

**Currently charting:** #189 Top Paid · Utilities (US App Store)

This utility app assists in selecting appropriate pipe diameters for water systems, supporting both pressure and gravity flow calculations. It offers automatic recommendations based on user-defined limits and incorporates multiple pipe materials and unit systems.

**Highlights:** Pressure pipe sizing, Gravity pipe sizing, Automatic pipe size recommendations, Multiple pipe material support, SI and Imperial units, Hazen-Williams and Manning equations

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

**In-app purchases:** none


## Frequently asked questions

### Is P/T Manager free?

P/T Manager is free to download, with in-app purchases available.

### Is Pipe Sizer free?

Pipe Sizer costs $0.99, with no in-app purchases.

### Do P/T Manager or Pipe Sizer have ads?

Neither P/T Manager nor Pipe Sizer shows ads.

### Which is updated more often, P/T Manager or Pipe Sizer?

P/T Manager ships an update every 4 months, and Pipe Sizer every 27 months. Most recently, P/T Manager was updated on October 5, 2026 and Pipe Sizer on October 15, 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.*