# pipelayerpro vs Pipe Slope Invert Planner

The clearest difference is price: pipelayerpro at Free against Pipe Slope Invert Planner's $4.99. pipelayerpro also leads on update cadence (daily vs fortnightly) and iOS requirement (15.1 vs 17.0). Pipe Slope Invert Planner's advantage is ads (none vs shown). On in-app purchases and device support there is nothing between them.

pipelayerpro is free to download; Pipe Slope Invert Planner costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

pipelayerpro ships an update daily, Pipe Slope Invert Planner fortnightly. The most recent releases landed on July 10, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | pipelayerpro | Pipe Slope Invert Planner |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| 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 | No |
| Ads | Yes | **No** |
| Update frequency | **Daily** | Fortnightly |
| Monetization | Ad-supported | — |
| Size | 55 MB | 1 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Keith Bollinger](https://appshunter.io/developer/1798226970) | [光 杨](https://appshunter.io/developer/1891134953) |

## 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


### Pipe Slope Invert Planner

[App page](https://appshunter.io/ios/app/pipe-slope-invert-planner/id6768115052)

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

**In-app purchases:** none


## Frequently asked questions

### Is pipelayerpro free?

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

### Is Pipe Slope Invert Planner free?

Pipe Slope Invert Planner costs $4.99, with no in-app purchases.

### Do pipelayerpro or Pipe Slope Invert Planner have ads?

pipelayerpro shows ads; Pipe Slope Invert Planner does not.

### Which is updated more often, pipelayerpro or Pipe Slope Invert Planner?

pipelayerpro ships an update daily, and Pipe Slope Invert Planner fortnightly. Most recently, pipelayerpro was updated on July 10, 2026 and Pipe Slope Invert Planner on September 19, 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.*