# Geological Field Notes vs wSlope Pro

The clearest difference is update cadence: Geological Field Notes at every 3 months against wSlope Pro's every 39 months. Geological Field Notes also leads on device support (3 vs 1) and iOS requirement (12.0 vs 16.1). wSlope Pro's advantage is price ($1.99 vs $4.99). On ads and in-app purchases there is nothing between them.

Geological Field Notes costs $4.99 and wSlope Pro $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Geological Field Notes ships an update every 3 months, wSlope Pro every 39 months. The most recent releases landed on August 23, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Geological Field Notes | wSlope Pro |
| --- | --- | --- |
| Price | $4.99 | **$1.99** |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/geological-field-notes/id1013592692/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 39 months |
| Monetization | Paid | — |
| Size | 11 MB | 1 MB |
| Requires iOS | **12.0** | 16.1 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Liansheng Zhang](https://appshunter.io/developer/448246392) | [Roozbeh Geraili Mikola](https://appshunter.io/developer/1403201499) |

## What reviewers say

### Geological Field Notes

[App page](https://appshunter.io/ios/app/geological-field-notes/id1013592692)

Create detailed geological field notebooks with rich media, including text, images, audio, and drawings. Organize entries with timestamps, passwords, and export them for backup or sharing.

**Highlights:** Rich media note-taking (text, image, audio, video, drawing, links), Integrated geological tools (compass, level, ruler, calculator), Password protection for individual entries, Media expiration options, Export notes as zipped HTML, Cloud backup via Dropbox

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

**In-app purchases:** none


### wSlope Pro

[App page](https://appshunter.io/ios/app/wslope-pro/id1505707625)

**In-app purchases:** none


## Frequently asked questions

### Is Geological Field Notes free?

Geological Field Notes costs $4.99, with no in-app purchases.

### Is wSlope Pro free?

wSlope Pro costs $1.99, with no in-app purchases.

### Do Geological Field Notes or wSlope Pro have ads?

Neither Geological Field Notes nor wSlope Pro shows ads.

### Which is updated more often, Geological Field Notes or wSlope Pro?

Geological Field Notes ships an update every 3 months, and wSlope Pro every 39 months. Most recently, Geological Field Notes was updated on August 23, 2026 and wSlope Pro on September 24, 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.*