Manuals Viewer vs OpenCanyon.org
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Manuals Viewer
Access and save manuals for Colorado Time Systems products for offline viewing. This app is ideal for quick troubleshooting without an internet connection.
- View product manuals
- Download manuals
- Save manuals for offline access
- On-deck troubleshooting
- Colorado Time Systems product support
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View, download and save manuals for all your Colorado Time Systems products. Once saved, you can access your manuals without an internet connection. Perfect for on-deck troubleshooting.
OpenCanyon.org
Access a comprehensive offline database of canyons for planning and on-location use. Search, filter, and view detailed information, including GPS coordinates and community reports. Navigate to canyons using your preferred map application.
- Offline canyon access
- Map-based canyon search
- Advanced filtering and search
- Detailed canyon information
- Navigation integration
- GPX export
- Community trip reports
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OpenCanyon.org brings the canyon database from opencanyon.org to your smartphone. The app works online and offline and is suitable for planning at home and for use on location. Features • Offline mode – save canyons including images, topos and descriptions locally and use them without an internet connection • Map search – find canyons on the map • Filters and full-text search – by name, country, duration, difficulty, number of rappels and rating • Detail view – key data, description, GPS coordinates, trip reports, photos and links • Navigation – open coordinates in Apple Maps, Google Maps, Organic Maps or Swisstopo • GPX export – export the main coordinate of a canyon tour as GPX • Community reports – descents and feedback from other users • Content in German, French, Italian and English OpenCanyon.org is an open, community-driven platform. Important safety notice Canyoning is a demanding and potentially dangerous outdoor activity. It requires physical fitness, technical skill, proper equipment and thorough preparation. The information in this app does not replace qualified training, local reconnaissance or up-to-date weather and water level reports. Use is at your own risk. Check current conditions before each trip and, when in doubt, consult experienced canyoning guides.
Screenshots
Verdict
The clearest difference is iOS requirement: Manuals Viewer at 7.1 against OpenCanyon.org's 16.0. On price, rating, ratings volume and update cadence 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
Both are free to download. 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 Manuals Viewer against 5.0 for OpenCanyon.org. Both are backed by a comparable volume of ratings — 1 and 1 respectively.
Manuals Viewer ships an update every 3 months, OpenCanyon.org every 2 months. The most recent releases landed on November 1, 2026 and November 4, 2026 respectively.
| Parameter | Manuals Viewer | OpenCanyon.org |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) | 5.0 (1 ratings) |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 | 1 |
| Update frequency | Every 3 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 7.1 — better | 16.0 |
| Further details — not scored | ||
| Size | 59 MB | 101 MB |
| Age rating | 4+ | 4+ |
| Developer | Colorado Time Systems | Urs Kobald |
Customer experience
Manuals Viewer
OpenCanyon.org
In-app purchases
Manuals Viewer
No in-app purchases
OpenCanyon.org
No in-app purchases
Questions
Is Manuals Viewer free?
Is OpenCanyon.org free?
Which has better reviews, Manuals Viewer or OpenCanyon.org?
Do Manuals Viewer or OpenCanyon.org have ads?
Which is updated more often, Manuals Viewer or OpenCanyon.org?
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