Comparison

MyUSNG vs StraboField

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

MyUSNG

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
Read full description

MyUSNG reports the location of your device in US National Grid format (USNG). With a single tap on the screen, you will copy the USNG location into your clipboard. With a tap and hold, you can easily e-mail your USNG location. MyUSNG also includes a simple map that will let you capture the USNG of locations away from you, or center the map The United States National Grid (USNG) is a nationally consistent language of location in a user friendly format. USNG is commonly used during Search and Rescue operations in the United States. For more information about USNG visit usngcenter.org. MyUSNG is an Esri Labs project and not an official Esri product. MyUSNG is provided on an as-is-basis and you assume all risks associated with using this app.

About

StraboField

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
Read full description

StraboField is a powerful, all-in-one mobile app designed to streamline your geological fieldwork. Record observations, capture photos and sketches, collect orientation data, create geologic maps and stratigraphic sections — all from a single, map-centered platform. Easily collect spatially referenced data using point, line, or polygon-based Spots. Work across multiple scales using nested Spots and high-resolution image basemaps. Designed by geologists, for geologists, StraboField supports workflows across subdisciplines including structural geology, sedimentology, petrology, volcanology, and geomorphology. ** Key Features: ** * Capture 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 * StraboField is fully functional offline, making it ideal for remote fieldwork. Once online, your data can be synced to the StraboSpot digital data system at StraboSpot.org — an open- source platform supported by the National Science Foundation.

Screenshots

MyUSNG3 screens
StraboField4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard3 real differences · 7 level
MyUSNG versus StraboField: the parameters behind the verdict, then further details
ParameterMyUSNGStraboField
PriceFreeFree
Rating4.4 (9 ratings)4.5 (19 ratings) — better
Positive reviews100.0% of reviews — better50.0% of reviews
Number of ratings919 — better
Update frequencyEvery 10 monthsEvery 2 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS11.0 — better15.6
Further details — not scored
Size30 MB87 MB
Age rating4+4+
DeveloperEsri Online LLCThe University of Kansas

Customer experience

MyUSNG

All ratings9 ratings
Positive88.9%
Neutral0.0%
Negative11.1%
Written reviews5 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

StraboField

All ratings19 ratings
Positive89.5%
Neutral0.0%
Negative10.5%
Written reviews4 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

In-app purchases

None

MyUSNG

No in-app purchases

None

StraboField

No in-app purchases

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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