# Field Triangulate vs Schlow Card

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.

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.

## The numbers

| Metric | Field Triangulate | Schlow Card |
| --- | --- | --- |
| Price | $7.99 | **Free** |
| Rating | **[3.7 (21 ratings)](https://appshunter.io/ios/app/field-triangulate/id548943416/reviews)** | [3.1 (7 ratings)](https://appshunter.io/ios/app/schlow-card/id1072445027/reviews) |
| Number of ratings | **21** | 7 |
| Positive reviews | 40.0% of reviews | **60.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 65 months |
| Monetization | Paid | **Free** |
| Size | 37 MB | 1 MB |
| Requires iOS | **11.4** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Neukadye](https://appshunter.io/developer/309451806) | [Schlow Centre Region Library](https://appshunter.io/developer/1072445026) |

## What reviewers say

### Field Triangulate

[App page](https://appshunter.io/ios/app/field-triangulate/id548943416)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Schlow Card

[App page](https://appshunter.io/ios/app/schlow-card/id1072445027)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*