# Benchmark Slope vs SurveyNotes

The clearest difference is in-app purchases: SurveyNotes at none against Benchmark Slope's 2. SurveyNotes also leads on ratings volume (3 vs 1). Benchmark Slope's advantage is iOS requirement (16.6 vs 26.2). On price, rating, update cadence and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for Benchmark Slope against 5.0 for SurveyNotes. Both are backed by a comparable volume of ratings — 1 and 3 respectively.

Benchmark Slope ships an update every 4 days, SurveyNotes weekly. The most recent releases landed on September 30, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Benchmark Slope | SurveyNotes |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/benchmark-slope/id6751212219/reviews) | [5.0 (3 ratings)](https://appshunter.io/ios/app/surveynotes/id6760939402/reviews) |
| Number of ratings | 1 | **3** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 4 days** | Weekly |
| Monetization | Subscription | **Free** |
| Size | 74 MB | 2 MB |
| Requires iOS | **16.6** | 26.2 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Benchmark Slope](https://appshunter.io/developer/1834014574) | [Nicholas VanderKlip](https://appshunter.io/developer/1886942045) |

## What reviewers say

### 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 |


### SurveyNotes

[App page](https://appshunter.io/ios/app/surveynotes/id6760939402)

This professional tool assists surveyors, engineers, and contractors with precise grade and elevation calculations in the field. It functions as a digital field book, recording instrument setups, benchmark elevations, and foresight shots with timestamps. Export your data as professional PDFs for easy sharing.

**Highlights:** Differential leveling calculations, Instrument setup in seconds, Session-based field book recording, Professional PDF export, Offline functionality, Custom measurement keyboard, Dark mode interface

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

**In-app purchases:** none


## Frequently asked questions

### Is Benchmark Slope free?

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

### Is SurveyNotes free?

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

### Which has better reviews, Benchmark Slope or SurveyNotes?

Benchmark Slope and SurveyNotes are both rated 5.0 out of 5 on the App Store, from 1 and 3 ratings respectively.

### Do Benchmark Slope or SurveyNotes have ads?

Neither Benchmark Slope nor SurveyNotes shows ads.

### Which is updated more often, Benchmark Slope or SurveyNotes?

Benchmark Slope ships an update every 4 days, and SurveyNotes weekly. Most recently, Benchmark Slope was updated on September 30, 2026 and SurveyNotes on September 29, 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.*