# Surveying Leveling Field Notes vs Hydrographic Survey

The clearest difference is ads: Hydrographic Survey at none against Surveying Leveling Field Notes's shown. Hydrographic Survey also leads on iOS requirement (13.0 vs 15.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Surveying Leveling Field Notes sells 1 one-off in-app purchase and Hydrographic Survey sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Surveying Leveling Field Notes | Hydrographic Survey |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (5 ratings)](https://appshunter.io/ios/app/surveying-leveling-field-notes/id1462164977/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 5 months | — |
| Monetization | Free with in-app purchases | — |
| Size | 52 MB | 31 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [HFX Lab](https://appshunter.io/developer/1139262927) | [Gerard Rampal](https://appshunter.io/developer/6780474851) |

## What reviewers say

### Surveying Leveling Field Notes

[App page](https://appshunter.io/ios/app/surveying-leveling-field-notes/id1462164977)

This app automates calculations and checks for the Height of Instrument method in surveying. Users can customize column titles and easily share their field notes as CSV files.

**Highlights:** Height of Instrument method calculation, Automatic checking of calculations, Editable column titles, Share as CSV file

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $2.99 | one-time |


### Hydrographic Survey

[App page](https://appshunter.io/ios/app/hydrographic-survey/id6780474489)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $4.99 | per month |
| Yearly Subscription | $49.99 | per year |


## Frequently asked questions

### Is Surveying Leveling Field Notes free?

Surveying Leveling Field Notes is free to download, with in-app purchases available.

### Is Hydrographic Survey free?

Hydrographic Survey is free to download, with in-app purchases available.

### Do Surveying Leveling Field Notes or Hydrographic Survey have ads?

Surveying Leveling Field Notes shows ads; Hydrographic Survey does not.

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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.*