Comparison

Boulder Trainer vs Sqrls

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

Sqrls

Features
Read full description

sqrls is the climbing companion that turns every gym visit into measurable progress. Scan a route's QR code, log your send in one tap, and watch your stats grow. Whether you're chasing your first send of a new grade or grinding through a long-term project, sqrls keeps your climbing history in one place — no more spreadsheets, paper logs, or trying to remember what you sent last Wednesday. WHAT YOU CAN DO • Scan QR codes at your home gym to instantly log ascents • Track recent ascents with starthold and route photos to remember every send • See your completion rate by difficulty, sector, or hold color • Browse all the routes currently set — grouped by sector or grade • Add friends, follow their climbs, and compare progress BUILT FOR SETTERS, TOO Gym staff and routesetters can use sqrls to manage their wall: • Create QR codes for new routes • Edit difficulty, sector, hold color, or setter attribution from the gym floor • Capture a starthold and route photo so climbers can find the line at a glance • Take down routes in batches when it's time to re-set • Everything syncs across the team in real time WHO IT'S FOR sqrls works best at climbing gyms that have adopted the QR-per-route system. Ask your gym if they're partnered, or send them our way — we're rolling out to more walls. SUBSCRIPTION The core app is free. A Pro subscription unlocks logging ascents on the top two grades at your gym, plus future Pro-only features. Subscriptions auto-renew unless cancelled. Manage or cancel any time in iPhone Settings. Questions, ideas, or want sqrls at your gym? Reach out via the support link below. Privacy Policy: https://sqrls.app/privacy.html Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Boulder Trainer4 screens
Sqrls4 screens

Verdict

The call

The clearest difference is device support: Boulder Trainer at 3 against Sqrls's 1. Sqrls's advantage is iOS requirement (16.0 vs 26.0). On price, update cadence, 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

Both are free to download. Boulder Trainer sells 6 in-app purchases, starting at $1.99 per 7 days and Sqrls sells 2 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Boulder Trainer ships an update every 3 days, Sqrls every 4 days. The most recent releases landed on October 22, 2026 and October 23, 2026 respectively.

Scorecard2 real differences · 8 level
Boulder Trainer versus Sqrls: the parameters behind the verdict, then further details
ParameterBoulder TrainerSqrls
PriceFreeFree
Rating4.6 (859 ratings) — better—
Positive reviews70.2% of reviews—
Number of ratings859 — better—
Update frequencyEvery 3 days — betterEvery 4 days
AdsNoNo
In-app purchasesYesYes
MonetizationFree—
DevicesiPhone, iPad, Apple Watch — betteriPhone
Requires iOS26.016.0 — better
Further details — not scored
Size189 MB79 MB
Age rating4+4+
DeveloperJan LutherMathias Steger

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

Sqrls

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
2 purchases

Sqrls

Subscriptions2
  • Tier 1$0.991 Month
  • Tier 2 Monthly$2.991 Month

Questions

Is Boulder Trainer free?
Boulder Trainer is free to download, with in-app purchases available.
Is Sqrls free?
Sqrls is free to download, with in-app purchases available.
Do Boulder Trainer or Sqrls have ads?
Neither Boulder Trainer nor Sqrls shows ads.
Which is updated more often, Boulder Trainer or Sqrls?
Boulder Trainer ships an update every 3 days, and Sqrls every 4 days. Most recently, Boulder Trainer was updated on October 22, 2026 and Sqrls on October 23, 2026.

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