Comparison

Manuals Viewer vs OpenCanyon.org

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

Head to head
About

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.

Highlights
  • View product manuals
  • Download manuals
  • Save manuals for offline access
  • On-deck troubleshooting
  • Colorado Time Systems product support
Features
Read full description

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.

About

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.

Highlights
  • Offline canyon access
  • Map-based canyon search
  • Advanced filtering and search
  • Detailed canyon information
  • Navigation integration
  • GPX export
  • Community trip reports
Features
Read full description

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

Manuals Viewer4 screens
OpenCanyon.org4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard1 real difference · 9 level
Manuals Viewer versus OpenCanyon.org: the parameters behind the verdict, then further details
ParameterManuals ViewerOpenCanyon.org
PriceFreeFree
Rating5.0 (1 ratings)5.0 (1 ratings)
Positive reviews100.0% of reviews—
Number of ratings11
Update frequencyEvery 3 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS7.1 — better16.0
Further details — not scored
Size59 MB101 MB
Age rating4+4+
DeveloperColorado Time SystemsUrs Kobald

Customer experience

Manuals Viewer

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

OpenCanyon.org

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Manuals Viewer

No in-app purchases

None

OpenCanyon.org

No in-app purchases

Questions

Is Manuals Viewer free?
Manuals Viewer is free to download, with no in-app purchases.
Is OpenCanyon.org free?
OpenCanyon.org is free to download, with no in-app purchases.
Which has better reviews, Manuals Viewer or OpenCanyon.org?
Manuals Viewer and OpenCanyon.org are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.
Do Manuals Viewer or OpenCanyon.org have ads?
Neither Manuals Viewer nor OpenCanyon.org shows ads.
Which is updated more often, Manuals Viewer or OpenCanyon.org?
Manuals Viewer ships an update every 3 months, and OpenCanyon.org every 2 months. Most recently, Manuals Viewer was updated on November 1, 2026 and OpenCanyon.org on November 4, 2026.

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