# pipelayerpro vs Drain Slope Pro

The clearest difference is in-app purchases: pipelayerpro at none against Drain Slope Pro's 1. pipelayerpro also leads on update cadence (daily vs every 3 months). Drain Slope Pro's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Drain Slope Pro sells 1 one-off in-app purchase. pipelayerpro asks for nothing beyond the download.

pipelayerpro ships an update daily, Drain Slope Pro every 3 months. The most recent releases landed on October 2, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | pipelayerpro | Drain Slope Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/pipelayerpro/id6742408995/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Daily** | Every 3 months |
| Monetization | Ad-supported | — |
| Size | 55 MB | 39 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Keith Bollinger](https://appshunter.io/developer/1798226970) | [BRUCE RAY MCCAMPBELL](https://appshunter.io/developer/6772438648) |

## What reviewers say

### pipelayerpro

[App page](https://appshunter.io/ios/app/pipelayerpro/id6742408995)

This utility app assists excavators in calculating structure elevations and pipe slopes. It simplifies complex onsite calculations, reducing errors for both experienced and novice operators. The goal is to improve accuracy and profitability for construction projects.

**Highlights:** Structure elevation calculation, Pipe slope calculation, Easy to use interface, Reduces onsite calculation errors, Aids in profitability

**Features:** macOS Compatibility

**In-app purchases:** none


### Drain Slope Pro

[App page](https://appshunter.io/ios/app/drain-slope-pro-plumber/id6772439957)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Unlock | $1.99 | one-time |


## Frequently asked questions

### Is pipelayerpro free?

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

### Is Drain Slope Pro free?

Drain Slope Pro is free to download, with in-app purchases available.

### Do pipelayerpro or Drain Slope Pro have ads?

pipelayerpro shows ads; Drain Slope Pro does not.

### Which is updated more often, pipelayerpro or Drain Slope Pro?

pipelayerpro ships an update daily, and Drain Slope Pro every 3 months. Most recently, pipelayerpro was updated on October 2, 2026 and Drain Slope Pro on October 6, 2026.

---

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