# ABD Calculator vs Benchmark Slope

The clearest difference is in-app purchases: ABD Calculator at none against Benchmark Slope's 3. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Benchmark Slope sells 3 in-app purchases, starting at $9.99 per month. ABD Calculator asks for nothing beyond the download.

## The numbers

| Metric | ABD Calculator | Benchmark Slope |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (5 ratings)](https://appshunter.io/ios/app/benchmark-slope/id6751212219/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Weekly |
| Monetization | — | Freemium |
| Size | 2 MB | 83 MB |
| Requires iOS | 17.1 | **16.6** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Daniel Miller](https://appshunter.io/developer/1739007574) | [Benchmark Slope](https://appshunter.io/developer/1834014574) |

## What reviewers say

### ABD Calculator

[App page](https://appshunter.io/ios/app/abd-calculator/id6480434613)

**Features:** macOS Compatibility

**In-app purchases:** none


### Benchmark Slope

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

This app simplifies jobsite elevation, slope, and pitch calculations for construction crews. It offers instant target rod readings, slope analysis with ADA guidance, and multi-unit support. Hands-free voice input and a guided tutorial enhance usability for quick and accurate site measurements.

**Highlights:** Set Height of Instrument, Target rod readings instantly, Calculate slope and pitch, ADA Slope Guidance, Multi-unit support (feet, inches, meters), Hands-free voice input, Guided tutorial and help

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $9.99 | per month |
| Premium Yearly | $99.99 | per year |
| Lifetime Unlock | $59.99 | one-time |


## Frequently asked questions

### Is ABD Calculator free?

ABD Calculator 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 ABD Calculator or Benchmark Slope have ads?

Neither ABD Calculator nor Benchmark Slope shows ads.

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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.*