Comparison

Boulder Challenge vs klettrack

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

Head to head
About

Boulder Challenge

Easily create and share custom climbing boulder problems by taking a photo of the wall. Define holds, difficulty, and descriptions to document your routes or outdoor projects. Discover and rate boulders created by others, and track your climbing progress.

Highlights
  • Create custom boulder problems from photos
  • Define hand and foot holds
  • Specify difficulty and descriptive text
  • Search and rate existing boulders
  • Track climbed and favorite boulders
  • Export data to Excel
  • Follow other climbers and view news feed
Features
Read full description

App to create and share your own boulder problems on every climbing wall / spray wall / training wall / system wall / chaos wall / boulder block by simply taking a picture and easily specifying the definition as detailed as you like. - No additional costs like many other apps. Create as many walls and boulders as you like - Search for locations / boulder walls that have already been added or add them yourself - Suitable for all artificial boulder walls and also for saving the beta of your outdoor projects - Take a picture of the wall area you want, select an image that is already stored in the app or from the gallery of your smartphone - Define the start and end of your boulder - Define hand and foot holds (optionally separately and explicitly for left / right if desired) - Optionally define fixed hold sequences by specifying numbering - Various ways of displaying the markers - Smoothly fade out markings to be able to see details "behind" the markings - General descriptive text for a boulder and also possible per hold - Optional specification of the wall angle - Specification of difficulty in Fontainebleau / Hueco V scale or without - Mark boulders that have been resetted to see directly that they are no longer on the wall - Edit, delete and clone boulders - Rate and comment boulders - Submission of individual difficulty ratings with graphical display of the difficulty distribution per boulder - Search for boulders by name, creator, difficulty from / to, rating, climbed, favorite, wall angle, resetted - Sorting of boulders by created on, climbed on, name, difficulty, number of ascents, popularity - Random boulder selection in a certain difficulty range for e.g. warm-up - Lists for your favorite and already climbed boulders - Share boulders outside of the app as an image, direct link and QR code - Display of news per location / boulder wall - Display of the difficulty distribution per location / boulder wall - Display of the locals per location / boulder wall - "Bulletin board" per location / boulder wall - Share locations / boulder walls outside of the app as direct link and QR code - Follow other users and see what they've been up to in your personal news feed - Get score points for your created boulders, climbed boulders or e. g. if one of your boulders has been rated well by others - Optional private profile if your activities should not be visible to others - Send and receive private messages - Automatically kept logbook to easily display your activities for a period of your choice - Export of all your created and climbed boulders in Microsoft Excel format for further individual evaluation Have fun!

About

klettrack

This open-source application allows climbers to log climbs and training sessions, build custom workouts from over 100 exercises, and monitor progress. It syncs with system boards and keeps all data on the user's device.

Highlights
  • Log climbs and training sessions
  • Customizable workout builder
  • Progress monitoring
  • System board synchronization
  • On-device data storage
  • Open-source
Read full description

klettrack helps you train smarter, climb stronger, and stay consistent! Track your sessions, log exercises, and build your own training plans - all in one clean, open-source app built by climbers, for climbers. Whether you’re climbing on a board, in the gym, or outside, klettrack makes it easy to track your progress to achieve your goals. Key features: - Log climbs and training sessions with custom notes - Create structured workouts using a catalog with move than 100 exercises - Monitor your progress and visualize improvements - Sync with known system boards (Kilter, Tension board) - All data stays on your device — no accounts, no tracking 100% free and open-source klettrack is a community project , not a company. We built it to give back to the climbing community that we love.

Screenshots

Boulder Challenge4 screens
klettrack4 screens

Verdict

The call

The clearest difference is price: klettrack at Free against Boulder Challenge's $2.99. klettrack also leads on rating (5.0 vs 4.3) and review sentiment (100% vs 71%). Boulder Challenge's advantage is ratings volume (23 vs 1) and device support (3 vs 1). On ads and in-app purchases 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

klettrack is free to download; Boulder Challenge costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

klettrack holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: Boulder Challenge has 23 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 71% of Boulder Challenge's written reviews are positive against 100% of klettrack's.

UpkeepUpdate frequency

Boulder Challenge ships an update every 6 weeks, klettrack every 2 weeks. The most recent releases landed on October 9, 2026 and October 14, 2026 respectively.

Scorecard8 real differences · 2 level
Boulder Challenge versus klettrack: the parameters behind the verdict, then further details
ParameterBoulder Challengeklettrack
Price$2.99Free — better
Rating4.3 (23 ratings)5.0 (1 ratings) — better
Positive reviews70.6% of reviews100.0% of reviews — better
Number of ratings23 — better1
Update frequencyEvery 6 weeksEvery 2 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidFree — better
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS10.3 — better17.0
Further details — not scored
Size79 MB6 MB
Age rating4+4+
DeveloperChristian FenzlShahar Noy

Customer experience

Boulder Challenge

All ratings23 ratings
Positive82.6%
Neutral8.7%
Negative8.7%
Written reviews17 reviews
Positive70.6%
Neutral11.8%
Negative17.6%

klettrack

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

In-app purchases

None

Boulder Challenge

No in-app purchases

None

klettrack

No in-app purchases

Questions

Is Boulder Challenge free?
Boulder Challenge costs $2.99, with no in-app purchases.
Is klettrack free?
klettrack is free to download, with no in-app purchases.
Which has better reviews, Boulder Challenge or klettrack?
klettrack is rated higher. Boulder Challenge averages 4.3 out of 5 from 23 ratings, while klettrack averages 5.0 from 1 ratings.
Do Boulder Challenge or klettrack have ads?
Neither Boulder Challenge nor klettrack shows ads.
Which is updated more often, Boulder Challenge or klettrack?
Boulder Challenge ships an update every 6 weeks, and klettrack every 2 weeks. Most recently, Boulder Challenge was updated on October 9, 2026 and klettrack on October 14, 2026.

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