Field Triangulate vs Schlow Card
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Calculate remote GPS locations
- Use compass bearings
- Automated iOS device location
- Manual reading entry
- On-map display
- Multiple latitude/longitude formats
- Share triangulation results
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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.
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.
- Store multiple library cards
- Simplify login process
- Access library website
- Sign up for library events
- View library hours
- Contact library directly
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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
Verdict
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
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.
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.
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.
| Parameter | Field Triangulate | Schlow Card |
|---|---|---|
| Price | $7.99 | Free — better |
| Rating | 3.7 (21 ratings) — better | 3.1 (7 ratings) |
| Positive reviews | 40.0% of reviews | 60.0% of reviews — better |
| Number of ratings | 21 — better | 7 |
| Update frequency | Every 2 months — better | Every 65 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 11.4 — better | 17.0 |
| Further details — not scored | ||
| Size | 37 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Neukadye | Schlow Centre Region Library |
Customer experience
Field Triangulate
Schlow Card
In-app purchases
Field Triangulate
No in-app purchases
Schlow Card
No in-app purchases
Questions
Is Field Triangulate free?
Is Schlow Card free?
Which has better reviews, Field Triangulate or Schlow Card?
Do Field Triangulate or Schlow Card have ads?
Which is updated more often, Field Triangulate or Schlow Card?
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