Comparison

Boulder Trainer vs Zlagboard

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

Head to head
About

Boulder Trainer

Create personalized training routines for climbing and bouldering. Features voice instructions, training reminders, and the ability to save and share your workout plans. Supports over 70 preset fingerboards and allows custom exercise creation for efficient progress.

Highlights
  • Custom workout creation
  • Voice instructions for timing
  • Save and share training plans
  • Training reminders
  • Over 70 preset fingerboards
  • Manage multiple plans
Features
Read full description

Boulder Trainer is the training app for your hangboard: 90 boards are built in, you build your own plans in minutes, and a voice tells you when to hang and when to rest - on iPhone or straight from your Apple Watch. Get started right away: 90 common training boards are included with high-resolution artwork. Pick your board, download a ready-made plan or build your own. No account needed, everything works offline. Training + Custom training plans with sets, hang times and rest times + Download ready-made plans and shared community plans - free + Voice cues and signal tones so you never have to look at the screen + Exercise library with photos: hangboard, floor, gym (with weight), prehab + Training reminder every 2, 3, 5 or 7 days Apple Watch + Browse plans on your wrist and start the session from there + Haptic feedback on every change + Recorded as a workout in Apple Health incl. heart rate and activity rings Keep the habit + Habits (daily or with a counter), up to 3 reminders per day + Streaks with celebration moments when you keep the run alive + 31 achievements in four categories + Home Screen and Lock Screen widgets, Control Center toggle, check off right in the widget Your board is missing? Just photograph it: cut it out, align it, number the holes - done. Or write me: support@boulder-trainer.com Your data + iCloud sync across your devices, no sign-up + Works fully offline + iPhone and iPad These 90 boards are built in: + Metolius: Project, Wood Grips Compact, Wood Grips II Compact, Wood Grips II Deluxe, Wood Grips Training, Contact, Simulator 3D, Rock Rings, Foundry, Campus Blocks, Campus Rungs, Lite Rail, Prime Rib + Beastmaker: 1000, 2000 + So iLL: Blister, Wood Blister, Reaper, Iron Palm, Mini Palm, SlopeyMon, Boost, Remedy, Hangers, All Chalk No Action + Antworks: Power Ant Mini, Strong Ant 1, Strong Ant 2, Strong Ant 2 (old version), Strong Ant 3, Strong Ant 4 Solo + Moon Climbing: Fingerboard, Phat Boy + Tension: Flash Board, Grindstone, Grindstone Pro, Grindstone Mk2 + Crusher Holds: Matrix, Faceon, Megarail, Mission Portable + Kraxl: Classic, Portable, Rock, Xtrem + ERZI: small, medium, large, campus + MAX CLIMBING: MAX CLIMBING, Spinch Solo Easy, Spinch Solo Hard, Spinchboard Easy, Spinchboard Hard + EPUSA / Entre Prises: Kineboard, Hang Time, Training Board + Trango: Rock Prodigy, Rock Prodigy Forge + Eva López: Progression, Transgression + Problemsolver: Hanzo, Trainingsboard + DRCC: V3 Hangboard, V5-12 Hangboard + Vola: Hangboard, Pinch / Sloper + ALPIDEX: PRO 2.0, Large + Nicros: Ultimate, Warrior + Dein Klettershop: EVOLUTION, BB Sport Pro + Single boards: Bergfreunde Flash, Core Fingerboard, OCUN Fingerboard, Ascender X8, Wataaah Transformer Starr, Sic Grips Pocket Rock, Crimpmonster, Captain Fingerfood, Griptonite smartrock, PUC II Domini, Decathlon Ballsy, Kraxel To Go, Danger BuddyBoard, Revolution Grillito, Clevo, Frictitious Megalith, OK Board Crag Developer statement: When I bought my first fingerboard there was no reasonable guide for training on it. That is why I built Boulder Trainer. Please keep in mind: there is no company behind this app, just a small private project. Like Boulder Trainer on Facebook: www.facebook.com/BoulderTrainer Boulder Trainer Pro (subscription / one-time purchase): Starting workouts, habit check-ins and the achievements page require Boulder Trainer Pro - as a weekly subscription, yearly subscription or lifetime one-time purchase. Creating plans, setting up boards and sharing stay free. Subscriptions renew automatically unless canceled at least 24 hours before the end of the current period; manage and cancel anytime in your Apple ID settings. If you bought the app in the past, training stays free for you and you get exclusive loyalty pricing. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://app-bis-web.de/datenschutz/

About

Zlagboard

This app enhances climbing training by automating hang-time and pull-up counts when used with a compatible physical hangboard. It offers free workouts, personalized pro plans designed by professional climbers, and level assessments to track progress and choose suitable training programs. Users can also engage in hang-time competitions with friends.

Highlights
  • Automated hang-time and pull-up tracking
  • Free quick training sessions
  • Individualized pro training plans
  • Level assessment for strength and stamina
  • Hang-time competitions with friends
  • Progress measurement
Features
Read full description

The Zlagboard is more than an average hangboard for climbers. Paired with this app, it allows for efficient training by automating hang-time and pull-up count. Workouts: Workouts are free, quick training sessions that you can do whenever you feel you have some extra energy. Pro plans: Pro plans are individualized training programs designed by professional climbers. They address a wide range of training needs, consisting of a variety of exercises. The programs typically span several months and collectively contain hundreds of exercises. Pro plans are designed by world class coaches like Ingo Filzwieser. Unlock all pro plans for one fixed fee. Level Assessment: You can measure your strength and stamina with level assessment, which will help you choose the training programs that fit your performance goals. You can also use this feature to measure your progress. Competition: Start a hang-time competition with your friends! It's up to you to choose the hang edges. The results will leave no doubt as to who can hang the longest! New compatible board: Mammut Diamond Finger Please note that this app works only with the corresponding physical boards.

Screenshots

Boulder Trainer4 screens
Zlagboard4 screens

Verdict

The call

The clearest difference is review sentiment: Boulder Trainer at 70% against Zlagboard's 15%. Boulder Trainer also leads on rating (4.6 vs 3.0) and monetization model (free vs free with in-app purchases). Zlagboard's advantage is iOS requirement (10.0 vs 26.0). On price, ads, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Boulder Trainer sells 6 in-app purchases, starting at $1.99 per 7 days and Zlagboard sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Boulder Trainer holds the better App Store score, 4.6 against 3.0. That said, the two scores are not equally well evidenced: Boulder Trainer has 859 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 70% of Boulder Trainer's written reviews are positive against 15% of Zlagboard's.

UpkeepUpdate frequency

Boulder Trainer ships an update every 3 days, Zlagboard every 9 days. Both last shipped on November 1, 2026.

Scorecard6 real differences · 4 level
Boulder Trainer versus Zlagboard: the parameters behind the verdict, then further details
ParameterBoulder TrainerZlagboard
PriceFreeFree
Rating4.6 (859 ratings) — better3.0 (2 ratings)
Positive reviews70.2% of reviews — better14.7% of reviews
Number of ratings859 — better2
Update frequencyEvery 3 days — betterEvery 9 days
AdsNoNo
In-app purchasesYesYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, Apple WatchiPhone, iPad, iPod
Requires iOS26.010.0 — better
Further details — not scored
Size189 MB78 MB
Age rating4+4+
DeveloperJan LutherVertical-Life srl

Customer experience

Boulder Trainer

All ratings860 ratings
Positive92.7%
Neutral3.0%
Negative4.3%
Written reviews215 reviews
Positive70.2%
Neutral7.4%
Negative22.3%

Zlagboard

All ratings2 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews34 reviews
Positive14.7%
Neutral20.6%
Negative64.7%

Bugs and requests

Boulder Trainer

Reported bugs

4 issues
  • Cannot change hangboard selection
  • Preset workouts don't match selected hangboard
  • Registration/account creation issues
  • Frequent crashes and connectivity problems

Requested features

5 requests
  • Ability to log/track workout history
  • Integration with fitness apps (Apple Health, Strava)
  • Ability to upload custom hangboard profiles
  • More advanced training plans and recommendations
  • Option to play music in background during workouts

Zlagboard

Not enough reviews yet to summarise bugs or requests.

In-app purchases

6 purchases

Boulder Trainer

Subscriptions4
  • Boulder Pro — Weekly$1.997 Days
  • Boulder Pro Loyalty — Week$1.997 Days
  • Boulder Pro Loyalty — Year$11.991 Year
Show 1 more
  • Boulder Trainer Pro — Yearly3 Days trial$17.991 Year
One-time2
  • Boulder Pro Loyalty Lifetime$24.99
  • Boulder Pro — Lifetime$39.99
10 purchases

Zlagboard

One-time10
  • Patxi Usobiaga Medium Plan$4.99
  • Patxi Usobiaga Advanced Plan$4.99
  • Patxi Usobiaga Pro Plan$4.99
Show 7 more
  • Zlagboard Sensor$4.99
  • AthleteByChoice Medium Plan - Zlagboard Pro$4.99
  • AthleteByChoice Advanced Plan - Zlagboard Pro$4.99
  • GimmeKraft! Basic training schedule - ZB Pro$4.99
  • GimmeKraft! Basic+ training schedule - ZB Pro$4.99
  • GimmeKraft! Advanced training schedule - ZB Pro$4.99
  • GimmeKraft! Advanced+ training schedule - ZB Pro$4.99

Questions

Is Boulder Trainer free?
Boulder Trainer is free to download, with in-app purchases available.
Is Zlagboard free?
Zlagboard is free to download, with in-app purchases available.
Which has better reviews, Boulder Trainer or Zlagboard?
Boulder Trainer is rated higher. Boulder Trainer averages 4.6 out of 5 from 859 ratings, while Zlagboard averages 3.0 from 2 ratings.
Do Boulder Trainer or Zlagboard have ads?
Neither Boulder Trainer nor Zlagboard shows ads.
Which is updated more often, Boulder Trainer or Zlagboard?
Boulder Trainer ships an update every 3 days, and Zlagboard every 9 days. Most recently, Boulder Trainer was updated on November 1, 2026 and Zlagboard on November 1, 2026.

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