# MyUSNG vs StraboField

MyUSNG and StraboField both sit at 4.4 stars, but that hides the real split: 100% of MyUSNG's written reviews are positive against 50% of StraboField's. MyUSNG also leads on iOS requirement (11.0 vs 15.6). StraboField's advantage is update cadence (every 2 weeks vs every 10 months). On price, rating, ratings volume and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 4.4 for MyUSNG against 4.5 for StraboField. Both are backed by a comparable volume of ratings — 9 and 19 respectively. Written reviews are what separate them: 100% of MyUSNG's written reviews are positive against 50% of StraboField's.

MyUSNG ships an update every 10 months, StraboField every 2 weeks. The most recent releases landed on June 1, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | MyUSNG | StraboField |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (9 ratings)](https://appshunter.io/ios/app/myusng/id1281298855/reviews) | **[4.5 (19 ratings)](https://appshunter.io/ios/app/strabofield/id1555903455/reviews)** |
| Number of ratings | 9 | **19** |
| Positive reviews | **100.0% of reviews** | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 30 MB | 87 MB |
| Requires iOS | **11.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Esri Online LLC](https://appshunter.io/developer/765991884) | [The University of Kansas](https://appshunter.io/developer/726307325) |

## What reviewers say

### MyUSNG

[App page](https://appshunter.io/ios/app/myusng/id1281298855)

This app reports your device's location in US National Grid format. Easily copy your USNG coordinates to your clipboard with a single tap, or email them with a tap and hold. It also features a map to capture and view USNG locations.

**Highlights:** USNG location reporting, One-tap copy to clipboard, Tap-and-hold email function, Map view for location capture, USNG information resource

**In-app purchases:** none


### 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


## Frequently asked questions

### Is MyUSNG free?

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

### Is StraboField free?

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

### Which has better reviews, MyUSNG or StraboField?

StraboField is rated higher. MyUSNG averages 4.4 out of 5 from 9 ratings, while StraboField averages 4.5 from 19 ratings.

### Do MyUSNG or StraboField have ads?

Neither MyUSNG nor StraboField shows ads.

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

MyUSNG ships an update every 10 months, and StraboField every 2 weeks. Most recently, MyUSNG was updated on June 1, 2026 and StraboField on September 18, 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.*