# Cat® GRADE Assistant vs Benchmark Slope

The clearest difference is in-app purchases: Cat® GRADE Assistant at none against Benchmark Slope's 2. Cat® GRADE Assistant also leads on iOS requirement (14.0 vs 16.6). Benchmark Slope's advantage is update cadence (every 4 days vs every 8 months). On price, ads and device support there is nothing between them.

Both are free to download. Benchmark Slope sells 2 in-app purchases, starting at $9.99 per month. Cat® GRADE Assistant asks for nothing beyond the download.

Cat® GRADE Assistant ships an update every 8 months, Benchmark Slope every 4 days. The most recent releases landed on September 20, 2026 and July 8, 2026 respectively.

## The numbers

| Metric | Cat® GRADE Assistant | Benchmark Slope |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/benchmark-slope/id6751212219/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 4 days** |
| Monetization | — | Subscription |
| Size | 38 MB | 74 MB |
| Requires iOS | **14.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | +4 | 4+ |
| Developer | [Caterpillar Inc.](https://appshunter.io/developer/571668770) | [Benchmark Slope](https://appshunter.io/developer/1834014574) |

## What reviewers say

### Cat® GRADE Assistant

[App page](https://appshunter.io/ios/app/cat-grade-assistant/id1604853064)

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

**In-app purchases:** none


### Benchmark Slope

[App page](https://appshunter.io/ios/app/benchmark-slope/id6751212219)

This app helps employees quickly determine jobsite elevation marks and calculate slopes. It provides target pole-shots based on established instrument height and allows for instant unit conversions between decimal feet, feet and inches, and meters. It aims to reduce errors and save time on construction sites.

**Highlights:** Jobsite elevation mark determination, Target pole-shot calculation, Slope calculation function, Elevation difference, distance, and gradient calculation, Unit conversion (Decimal Feet, Feet/Inches, Meters), Quick rise/fall toggle

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $9.99 | per month |
| Premium Yearly | $99.99 | per year |


## Frequently asked questions

### Is Cat® GRADE Assistant free?

Cat® GRADE Assistant is free to download, with no in-app purchases.

### Is Benchmark Slope free?

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

### Do Cat® GRADE Assistant or Benchmark Slope have ads?

Neither Cat® GRADE Assistant nor Benchmark Slope shows ads.

### Which is updated more often, Cat® GRADE Assistant or Benchmark Slope?

Cat® GRADE Assistant ships an update every 8 months, and Benchmark Slope every 4 days. Most recently, Cat® GRADE Assistant was updated on September 20, 2026 and Benchmark Slope on July 8, 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.*