# Drainage Tile Calculator vs Slope Calculation Tool

The clearest difference is rating: Drainage Tile Calculator at 5.0 against Slope Calculation Tool's 4.3. Drainage Tile Calculator also leads on iOS requirement (8.0 vs 12.0). Slope Calculation Tool's advantage is update cadence (every 3 weeks vs every 7 months) and ratings volume (86 vs 2). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Drainage Tile Calculator holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: Slope Calculation Tool has 86 ratings behind it against 2, so its average is the more settled of the two.

Drainage Tile Calculator ships an update every 7 months, Slope Calculation Tool every 3 weeks. The most recent releases landed on November 4, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | Drainage Tile Calculator | Slope Calculation Tool |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/drainage-tile-calculator/id584976425/reviews)** | [4.3 (86 ratings)](https://appshunter.io/ios/app/slope-calculation-tool/id1442177142/reviews) |
| Number of ratings | 2 | **86** |
| Positive reviews | — | 71.4% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 15 MB | 12 MB |
| Requires iOS | **8.0** | 12.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | +4 | 4+ |
| Developer | [Ag PhD](https://appshunter.io/developer/520210329) | [Riyad Habash](https://appshunter.io/developer/1073719756) |

## What reviewers say

### Drainage Tile Calculator

[App page](https://appshunter.io/ios/app/drainage-tile-calculator/id584976425)

This app assists with field drainage projects by calculating tile supply needs. It helps determine acres drained, required pipe size, and total pipe length for single and dual wall tile.

**Highlights:** Calculate acres drained, Determine pipe size needed, Calculate total pipe length, Support for single and dual wall tile, Calculate for any size and grade

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

**In-app purchases:** none


### Slope Calculation Tool

[App page](https://appshunter.io/ios/app/slope-calculation-tool/id1442177142)

Calculate all aspects of a ramp's dimensions, including slope, run, length, and rise. It can also measure the slope of existing surfaces using your device's sensors. Supports various input combinations for flexible calculations.

**Highlights:** Calculate slope, run, length, and rise, Supports multiple input combinations, Measure existing surface slopes, Uses device sensors for measurement, Calculates slope as percentage, ratio, and angle

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Drainage Tile Calculator free?

Drainage Tile Calculator is free to download, with no in-app purchases.

### Is Slope Calculation Tool free?

Slope Calculation Tool is free to download, with no in-app purchases.

### Which has better reviews, Drainage Tile Calculator or Slope Calculation Tool?

Drainage Tile Calculator is rated higher. Drainage Tile Calculator averages 5.0 out of 5 from 2 ratings, while Slope Calculation Tool averages 4.3 from 86 ratings.

### Do Drainage Tile Calculator or Slope Calculation Tool have ads?

Neither Drainage Tile Calculator nor Slope Calculation Tool shows ads.

### Which is updated more often, Drainage Tile Calculator or Slope Calculation Tool?

Drainage Tile Calculator ships an update every 7 months, and Slope Calculation Tool every 3 weeks. Most recently, Drainage Tile Calculator was updated on November 4, 2026 and Slope Calculation Tool on November 2, 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.*