Comparison

Local Scale Factor vs Leica DX Field Shield

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

Head to head
About

Local Scale Factor

This tool calculates local scale factors and Cartesian coordinates from WGS84 GPS positions. It supports numerous local grid transformations and can convert between local postcodes and geodetic positions. It also offers map navigation to selected coordinates.

Highlights
  • Local scale factor calculation
  • Cartesian coordinate conversion
  • WGS84 GPS position input
  • Local grid transformations
  • Postcode to geodetic position conversion
  • Map navigation
Features
Read full description

For professional surveyors and geodesists who need to know the local scale factor and Cartesian coordinates based on WGS84 GPS positions Hundreds of local grid transformations built in. A full list of available transformations can be found at https://www.nrgsurveys.co.uk/wp-content/uploads/transformations.txt Converts latitude and longitude using local ellipsoid parameters and Helmert 7 step transformations As a bonus it converts local postcodes to geodetic positions and vice versa Open Maps navigation to the selected coordinates (If available)

About

Leica DX Field Shield

Features
Read full description

Leica DX Field Shield is a simple, easy to use mobile app supporting Leica DD SMART locators and Digicat 700 family locators. Leica DX Field Shield works as a remote transfer tool linking data from the work site to our DX Office Shield or DX Manager Shield software. Upload and transfer locator scan data to DX Office or DX Manager Shield to gain a better understanding of locator use, generate reports and make informed decisions for future improvements. Upload site documentation including risk assessments and photos to DX Manager Shield and streamline work efficiencies, centralising all site activities in one accessible system. With DX Field Shield you can: - Download the data from the locators - Originate site documentation including risk assessments and attach photos during surveys - Upload the locator data and site documentation directly to DX Manager Shield - Email data to the office for integration into DX Office Shield DX Shield Software, a new digital utility workflow designed to: - Protect your personnel - Protect your assets - Protect utilities - Protect your reputation By: - Delivering more information - Ensuring best practice - Demonstrating compliance - Managing competence

Screenshots

Local Scale Factor4 screens
Leica DX Field Shield4 screens

Verdict

The call

The clearest difference is update cadence: Local Scale Factor at every 2 months against Leica DX Field Shield's every 37 months. On price, ads, in-app purchases and device support there is nothing between them.

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

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

UpkeepUpdate frequency

Local Scale Factor ships an update every 2 months, Leica DX Field Shield every 37 months. The most recent releases landed on October 19, 2026 and October 25, 2026 respectively.

Scorecard1 real difference ยท 7 level
Local Scale Factor versus Leica DX Field Shield: the parameters behind the verdict, then further details
ParameterLocal Scale FactorLeica DX Field Shield
PriceFreeFree
Positive reviews100.0% of reviewsโ€”
Update frequencyEvery 2 months โ€” betterEvery 37 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeโ€”
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS10.39.0 โ€” better
Further details โ€” not scored
Size65 MB116 MB
Age rating4+4+
DeveloperNRG Surveys LtdLeica Geosystems AG

In-app purchases

None

Local Scale Factor

No in-app purchases

None

Leica DX Field Shield

No in-app purchases

Questions

Is Local Scale Factor free?
Local Scale Factor is free to download, with no in-app purchases.
Is Leica DX Field Shield free?
Leica DX Field Shield is free to download, with no in-app purchases.
Do Local Scale Factor or Leica DX Field Shield have ads?
Neither Local Scale Factor nor Leica DX Field Shield shows ads.
Which is updated more often, Local Scale Factor or Leica DX Field Shield?
Local Scale Factor ships an update every 2 months, and Leica DX Field Shield every 37 months. Most recently, Local Scale Factor was updated on October 19, 2026 and Leica DX Field Shield on October 25, 2026.

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