Strike and Dip vs TrailGuide GPS
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Strike and Dip
This app functions as a pocket geological tool, enabling users to record strike and dip measurements, bearings, and plunge angles. It also provides real-time location data like latitude, longitude, and elevation, with the ability to save notes and attach photos. Integrated maps display saved data points, and the app offers extensive customization for measurement formats.
- Record strike, dip, and plunge
- Get real-time GPS coordinates
- Save measurements with notes and photos
- View data on integrated maps
- Customizable measurement formats
- Supports azimuth and quadrant bearings
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Strike and Dip turns your iPhone into a pocket transit. Take strike & dip measurements, bearings, plunge, and all that geological goodness, while simultaneously getting your latitude, longitude, and elevation. Save your measurements as notes, and add photos to your notes. Now also with maps (geological in the U.S. and some other parts of the world) that show the locations of all your saved data. Customizable to how you work: choose between azimuth and quadrant formats for bearings, three formats for coordinates, meters and feet, and three different formats for strike and dip.
TrailGuide GPS
Navigate trails with detailed maps and track your progress. Load GPX files to follow existing routes and receive alerts for deviations or arrival at points of interest. This app is designed for outdoor enthusiasts and hikers.
- Hiking and trekking GPS navigation
- Displays hiking maps
- Shows movement path on map
- Load and display GPX tracking files
- Follow-track feature with deviation alerts
- Arrival notifications at points of interest
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This is a GPS app for hiking and trekking. It displays hiking maps, shows your movement path on the map, and allows you to load GPS tracking (GPX) files created by others to display them on the map. Using the follow-track feature, you can receive alerts when you deviate from the track and notifications when you arrive at specific points. If you try the app and like it, we would appreciate your recommendation. If you find anything you don’t like or have suggestions for improvement, please leave a comment and we will do our best to reflect your feedback. Thank you.
Screenshots
Verdict
The clearest difference is price: TrailGuide GPS at Free against Strike and Dip's $4.99. TrailGuide GPS also leads on update cadence (every 3 weeks vs every 9 months) and iOS requirement (15.0 vs 26.0). Strike and Dip's advantage is ads (none vs shown). On rating, ratings volume, 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
TrailGuide GPS is free to download; Strike and Dip costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 5.0 for Strike and Dip against 5.0 for TrailGuide GPS. Both are backed by a comparable volume of ratings — 2 and 1 respectively.
Strike and Dip ships an update every 9 months, TrailGuide GPS every 3 weeks. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.
| Parameter | Strike and Dip | TrailGuide GPS |
|---|---|---|
| Price | $4.99 | Free — better |
| Rating | 5.0 (2 ratings) | 5.0 (1 ratings) |
| Positive reviews | 46.2% of reviews | — |
| Number of ratings | 2 — better | 1 |
| Update frequency | Every 9 months | Every 3 weeks — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Paid | Ad-supported — better |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 26.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 11 MB | 148 MB |
| Age rating | 4+ | 17+ |
| Developer | Hunt Mountain Software | Kwangnam Jung |
Customer experience
Strike and Dip
TrailGuide GPS
In-app purchases
Strike and Dip
No in-app purchases
TrailGuide GPS
No in-app purchases
