# StraboField vs ODNscan

The clearest difference is update cadence: StraboField at every 9 days against ODNscan's every 10 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

StraboField ships an update every 9 days, ODNscan every 10 months. The most recent releases landed on October 6, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | StraboField | ODNscan |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (19 ratings)](https://appshunter.io/ios/app/strabofield/id1555903455/reviews)** | — |
| Number of ratings | **19** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 10 months |
| Monetization | Free | — |
| Size | 89 MB | 17 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [The University of Kansas](https://appshunter.io/developer/726307325) | [Ocean Data Network](https://appshunter.io/developer/1689000347) |

## What reviewers say

### StraboField

[App page](https://appshunter.io/ios/app/strabofield/id1555903455)

This mobile application helps geologists record field observations, capture data like photos and sketches, and create geologic maps. It supports various geological subdisciplines and allows for offline use with data syncing capabilities.

**Highlights:** Record field data with photos, sketches, and notes, Collect georeferenced orientation and spatial data, Use custom or built-in basemaps offline, Create multi-scale observations with nested Spots, Organize and back up data locally or to StraboSpot.org, Fully functional offline for remote fieldwork

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

**In-app purchases:** none


### ODNscan

[App page](https://appshunter.io/ios/app/odnscan/id6749337845)

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

**In-app purchases:** none


## Frequently asked questions

### Is StraboField free?

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

### Is ODNscan free?

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

### Do StraboField or ODNscan have ads?

Neither StraboField nor ODNscan shows ads.

### Which is updated more often, StraboField or ODNscan?

StraboField ships an update every 9 days, and ODNscan every 10 months. Most recently, StraboField was updated on October 6, 2026 and ODNscan on September 12, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*