Comparison

Field Triangulate vs Schlow Card

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

Head to head
About

Field Triangulate

Determine a remote GPS location using compass bearings from multiple points. Supports automated device location and manual entry of readings. Displays results on a map in various modes and offers multiple latitude/longitude formats.

Highlights
  • Calculate remote GPS locations
  • Use compass bearings
  • Automated iOS device location
  • Manual reading entry
  • On-map display
  • Multiple latitude/longitude formats
  • Share triangulation results
Features
Read full description

Quickly and easily determine a remote GPS location from two, or more, geolocated points with compass bearings to that location. Specifically designed for use in the field, Field Triangulate supports: - Fully automated use of iOS device location. Compass bearings are best manually entered. - Manual entry/edit of any/all readings. - On map display in various display modes. - Manually update device bearings (e.g. for use with a compass.) - Share the triangulation to others. - Multiple latitude/longitude formats: -- Decimal degrees -- Degrees and decimal minutes -- Degrees, minutes and seconds. -- (Display for UTM.) Basic usage: Use your iOS device & compass to take bearing on a remote location from two locations and Field Triangulate will calculate and display the GPS coordinate for the remote location. Advanced usage: Enter readings provided from a remote person (perhaps by iPhone or radio) and add your own readings manually in order to calculate a remote location.

About

Schlow Card

Digitally store all your library cards in one convenient app. Access the library's website easily for event sign-ups, hours, and contact information.

Highlights
  • Store multiple library cards
  • Simplify login process
  • Access library website
  • Sign up for library events
  • View library hours
  • Contact library directly
Features
Read full description

Schlow Card makes it easy to keep your library cards accessible on your iPhone. Sign in with your Schlow Centre Region Library card, then quickly display its barcode whenever you visit the library. You can also add and organize cards for family members, making it easier to manage everyone’s library access from one place. Features: • Display a large, scannable library card barcode • Keep one primary card and up to five family cards • Give each card a recognizable nickname • Rename, replace, or remove family cards • Quickly access your online library account • Browse eBooks, events, research resources, children’s services, library hours, and contact information • Call Schlow Centre Region Library directly from the app Your PIN is used only to validate your library card and is not stored by the app. Schlow Card is provided for patrons of Schlow Centre Region Library and participating Centre County Federation of Public Libraries.

Screenshots

Field Triangulate4 screens
Schlow Card4 screens

Verdict

The call

The clearest difference is price: Schlow Card at Free against Field Triangulate's $7.99. Schlow Card also leads on review sentiment (60% vs 40%). Field Triangulate's advantage is rating (3.7 vs 3.1) and update cadence (every 2 months vs every 65 months). On ads, in-app purchases and device support 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

Schlow Card is free to download; Field Triangulate costs $7.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Field Triangulate holds the better App Store score, 3.7 against 3.1. Both are backed by a comparable volume of ratings — 21 and 7 respectively. Written reviews complicate that: 40% of Field Triangulate's written reviews are positive against 60% of Schlow Card's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

Field Triangulate ships an update every 2 months, Schlow Card every 65 months. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

Scorecard7 real differences · 3 level
Field Triangulate versus Schlow Card: the parameters behind the verdict, then further details
ParameterField TriangulateSchlow Card
Price$7.99Free — better
Rating3.7 (21 ratings) — better3.1 (7 ratings)
Positive reviews40.0% of reviews60.0% of reviews — better
Number of ratings21 — better7
Update frequencyEvery 2 months — betterEvery 65 months
AdsNoNo
In-app purchasesNoNo
MonetizationPaidFree — better
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS11.4 — better17.0
Further details — not scored
Size37 MB1 MB
Age rating4+4+
DeveloperNeukadyeSchlow Centre Region Library

Customer experience

Field Triangulate

All ratings21 ratings
Positive66.7%
Neutral0.0%
Negative33.3%
Written reviews10 reviews
Positive40.0%
Neutral0.0%
Negative60.0%

Schlow Card

All ratings7 ratings
Positive42.9%
Neutral14.3%
Negative42.9%
Written reviews5 reviews
Positive60.0%
Neutral20.0%
Negative20.0%

In-app purchases

None

Field Triangulate

No in-app purchases

None

Schlow Card

No in-app purchases

Questions

Is Field Triangulate free?
Field Triangulate costs $7.99, with no in-app purchases.
Is Schlow Card free?
Schlow Card is free to download, with no in-app purchases.
Which has better reviews, Field Triangulate or Schlow Card?
Field Triangulate is rated higher. Field Triangulate averages 3.7 out of 5 from 21 ratings, while Schlow Card averages 3.1 from 7 ratings.
Do Field Triangulate or Schlow Card have ads?
Neither Field Triangulate nor Schlow Card shows ads.
Which is updated more often, Field Triangulate or Schlow Card?
Field Triangulate ships an update every 2 months, and Schlow Card every 65 months. Most recently, Field Triangulate was updated on October 23, 2026 and Schlow Card on October 24, 2026.

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