ColdLog vs GymLock
Price, ratings, monetisation and update history for both apps, side by side ā with what reviewers say about each.
ColdLog
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ColdLog ā Cold Plunge Tracker One tap. One plunge. All the data you need. ColdLog is the simplest way to track your cold plunge and ice bath sessions on Apple Watch. No complicated setup, no unnecessary features ā just start your workout and let your Watch capture everything automatically. DESIGNED FOR APPLE WATCH ULTRA ColdLog is built with Apple Watch Ultra users in mind. Use the Action Button to instantly start your cold plunge session ā even with wet hands. Add the watch face complication for one-tap access. Water Lock activates automatically when you enter the water. COMPREHENSIVE DATA COLLECTION Every plunge tells a story. ColdLog captures more data than any other cold plunge app: - Water Temperature ā Live readings from Apple Watch sensors - Duration ā Precise timing of every session - Heart Rate ā Continuous monitoring throughout your plunge with detailed graph - Calories Burned ā Science-based calculation using cold-induced thermogenesis research - GPS Location ā See where you plunge on the map - Weather Conditions ā Outside temperature, humidity, and conditions (Pro) - Workout Route ā Sessions appear in Apple Fitness with full route SCIENTIFICALLY ACCURATE CALORIE CALCULATION Unlike other apps that guess your calorie burn, ColdLog uses peer-reviewed research on cold water immersion. The formula accounts for water temperature, session duration, your personal BMR, and post-immersion thermogenesis ā that "afterburn" effect when your body continues burning calories after you exit. INSIGHTS & ANALYTICS (PRO) Track your progress with beautiful monthly charts: - Time in Water ā See your total cold exposure - Temperature Trends ā Track how cold you're going - Heart Rate Patterns ā Monitor your body's adaptation - Energy Burned ā Visualize your calorie expenditure - Cold Stress Score ā Measure your overall cold exposure intensity SEAMLESS SYNC Start a session on your Watch, view details on your iPhone. Everything syncs automatically via WatchConnectivity. All data stays private on your devices and in Apple Health ā no accounts, no cloud, no tracking. CAPTURE & SHARE YOUR PLUNGES Add up to 3 photos to each session ā build your personal cold plunge album. Frozen lake? Ice hole? Ocean sunrise? Capture those epic moments. Ready to share? Choose from multiple card styles: a clean stats-only card or stunning photo overlays with your session data. Share to Instagram, WhatsApp, or anywhere else. Each card shows your water temperature, duration, weather, and location. KEY FEATURES - One-tap workout start from Apple Watch - Action Button support (Apple Watch Ultra) - Watch face complication for quick access - Automatic Water Lock activation - Timer alerts with haptic feedback (Pro) - Auto-save option for hands-free workflow - Session photo gallery (up to 3 photos) - Custom share cards with photo overlays - Personal notes for each session - HealthKit integration - Celsius & Fahrenheit support - No account required - Offline-first design WHO IS COLDLOG FOR? Whether you're a Wim Hof method practitioner, cold water therapy enthusiast, competitive ice swimmer, or just starting your cold exposure journey ā ColdLog helps you track progress and stay consistent. Built by cold plunge enthusiasts who wanted an app that works as simply as stepping into cold water. No bloat. No distractions. Just you, the cold, and your data. FREE TO USE ColdLog is free with all core features ā track duration, water temperature, heart rate, calories, and GPS location. History is limited to 3 sessions. Upgrade to Pro for unlimited session history, detailed insights with charts, weather tracking, and timer alerts. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://coldlog.eu/privacy/
GymLock
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Your workout starts. Your distractions stop. GymLock blocks distracting apps while you train, helping you stay focused, follow your workout plan and make every session count. No endless scrolling between sets. No losing momentum. Just focused training and measurable progress. LOCK OUT DISTRACTIONS ⢠Choose the apps and categories that distract you ⢠Start a workout to activate the lock ⢠Keep distracting apps blocked until your session ends ⢠Track clean sessions, locked-in time and focus streaks TRAIN WITH PURPOSE ⢠Build and schedule your workouts ⢠Follow structured exercises, sets, reps and weights ⢠Use built-in rest timers to maintain your pace ⢠Track personal records and estimated one-rep maxes ⢠Review strength trends across every lift SEE YOUR PROGRESS ⢠Monitor workout consistency and training time ⢠Measure focus scores and distraction-free sessions ⢠View your strongest lift, heaviest set and latest records ⢠Expand detailed performance cards for deeper insights ⢠Follow your progress over time FUEL YOUR TRAINING ⢠Track daily calories and protein ⢠Save meals for faster logging ⢠Monitor hydration throughout the day ⢠Organize your supplement routine ⢠Set targets for training and rest days COMPETE IN THE ARENA Opt in to GymLock leaderboards and compete by focus or training volume across your city, country and continent. BUILT FOR PEOPLE WHO TRAIN GymLock brings app blocking, workout planning, strength tracking, nutrition and competition together in one focused training experience. Stop scrolling. Start training. App blocking requires Screen Time permission. Leaderboard participation is optional. Some features require a GymLock Pro subscription. Subscriptions automatically renew unless cancelled through your Apple Account settings. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://gymlock.co/privacy.html
Screenshots
Verdict
The clearest difference is update cadence: ColdLog at weekly against GymLock's every 3 weeks. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS
Both are free to download. ColdLog sells 1 in-app purchase, starting at $8.99 per year and GymLock sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.
ColdLog ships an update weekly, GymLock every 3 weeks. The most recent releases landed on October 12, 2026 and October 14, 2026 respectively.
| Parameter | ColdLog | GymLock |
|---|---|---|
| Price | Free | Free |
| Update frequency | Weekly ā better | Every 3 weeks |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad, Apple Watch ā better | iPhone, Apple Watch |
| Requires iOS | 17.0 | 17.0 |
| Further details ā not scored | ||
| Size | 17 MB | 54 MB |
| Age rating | 4+ | 4+ |
| Developer | JRSW s.r.o. | brandon ifeanyi |
In-app purchases
ColdLog
- ColdLog PRO$8.991 Year
GymLock
- GymLock Pro Monthly3 Days trial$9.991 Month
- GymLock Pro Annual3 Days trial$39.991 Year









