# GeoKit vs Lithos

The clearest difference is in-app purchases: GeoKit at none against Lithos's 1. GeoKit also leads on iOS requirement (15.1 vs 26.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Lithos sells 1 in-app purchase, starting at $49.99 per month. GeoKit asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 6 weeks. The most recent releases landed on October 30, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | GeoKit | Lithos |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.5 (2 ratings)](https://appshunter.io/ios/app/geokit-field-data-collector/id6746970793/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | Every 6 weeks |
| Monetization | Free | — |
| Size | 69 MB | 67 MB |
| Requires iOS | **15.1** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [AppFlows](https://appshunter.io/developer/1771490801) | [One North Software Pte. Ltd.](https://appshunter.io/developer/6773476226) |

## What reviewers say

### GeoKit

[App page](https://appshunter.io/ios/app/geokit-field-data-collector/id6746970793)

This app provides geologists and students with essential field tools, including a geological compass, barometric altimeter, and mapping features. It allows for GPS-tagged photos, field notes, and real-time earthquake monitoring, with offline capabilities and GIS data export.

**Highlights:** Geological compass and clinometer, Barometric altimeter with GPS fallback, Field mapping with specialized markers, GPS-tagged photos with annotations, Real-time earthquake monitoring, GIS data export (KML, GeoJSON, CSV), Offline map downloads and local storage

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

**In-app purchases:** none


### Lithos

[App page](https://appshunter.io/ios/app/lithos/id6773476224)

**Features:** iPhone Duo support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plan | $49.99 | per month |


## Frequently asked questions

### Is GeoKit free?

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

### Is Lithos free?

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

### Do GeoKit or Lithos have ads?

Neither GeoKit nor Lithos shows ads.

### Which is updated more often, GeoKit or Lithos?

GeoKit ships an update every 6 weeks, and Lithos every 6 weeks. Most recently, GeoKit was updated on October 30, 2026 and Lithos on November 5, 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.*