Comparison

ColdPlungeAutoTimer vs ColdLog

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

Head to head
About

ColdPlungeAutoTimer

This app automatically starts a cold plunge timer when your Apple Watch detects the water temperature has dropped below your set threshold. It offers guided breathing exercises and tracks your progress, session history, and temperature logs to help you achieve your cold therapy goals.

Highlights
  • Automatic timer start based on water temperature
  • Guided pre-plunge breathing exercises
  • Session history and progress tracking
  • Water temperature logging
  • Streak and goal setting
Features
Read full description

autoColdPlungeTimer is the hands-free cold plunge companion built for Apple Watch Ultra models. Most timer apps make you fumble with buttons the moment you need to focus. autoColdPlungeTimer is different. Simply set your temperature threshold in Settings. When your Apple Watch detects the water has dropped below it, your session timer starts automatically. Get in, breathe, and let the app do the rest. Features • Auto-Launch - When Apple Watch is submerged the app will launch • Auto-Start Timer — session begins the moment water hits your temperature threshold, detected by your Apple Watch • Customizable Breathing Exercises — guided pre-plunge breathwork to prepare your body and calm your mind • Progress Tracking — review your session history, build streaks, and hit your goals • Temperature Log — your Apple Watch logs water temp every session so you can track trends over time • Streaks & Goals — set weekly targets and stay consistent Cold therapy is about focus and discipline. autoColdPlungeTimer keeps the tech out of your way so you can stay in yours.

About

ColdLog

Effortlessly track your cold plunge and ice bath sessions with this app. It automatically captures data like water temperature, duration, and heart rate directly from your Apple Watch, offering detailed insights and scientifically accurate calorie calculations.

Highlights
  • One-tap workout start on Apple Watch
  • Automatic Water Lock activation
  • Comprehensive data collection (temp, duration, HR)
  • Scientifically accurate calorie calculation
  • Session photo gallery
  • Customizable share cards
  • HealthKit integration
Features
Read full description

ColdLog – 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 – 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 – 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 – Live readings from Apple Watch sensors - Duration – Precise timing of every session - Heart Rate – Continuous monitoring throughout your plunge with detailed graph - Calories Burned – Science-based calculation using cold-induced thermogenesis research - GPS Location – See where you plunge on the map - Weather Conditions – Outside temperature, humidity, and conditions (Pro) - Workout Route – 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 – 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 – See your total cold exposure - Temperature Trends – Track how cold you're going - Heart Rate Patterns – Monitor your body's adaptation - Energy Burned – Visualize your calorie expenditure - Cold Stress Score – 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 – no accounts, no cloud, no tracking. CAPTURE & SHARE YOUR PLUNGES Add up to 3 photos to each session – 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 – 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 – 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/

Screenshots

ColdLog4 screens

Verdict

The call

The clearest difference is price: ColdLog at Free against ColdPlungeAutoTimer's $1.99. ColdLog also leads on update cadence (weekly vs every 5 weeks). ColdPlungeAutoTimer's advantage is rating (5.0 vs 3.0) and in-app purchases (none vs 1). On ratings volume, ads, device support and iOS requirement 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

ColdLog is free to download; ColdPlungeAutoTimer costs $1.99 up front. ColdLog sells 1 in-app purchase, starting at $8.99 per year. ColdPlungeAutoTimer asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

ColdPlungeAutoTimer holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

UpkeepUpdate frequency

ColdPlungeAutoTimer ships an update every 5 weeks, ColdLog weekly. The most recent releases landed on October 21, 2026 and October 30, 2026 respectively.

Scorecard5 real differences · 5 level
ColdPlungeAutoTimer versus ColdLog: the parameters behind the verdict, then further details
ParameterColdPlungeAutoTimerColdLog
Price$1.99Free — better
Rating5.0 (1 ratings) — better3.0 (1 ratings)
Positive reviews100.0% of reviews—
Number of ratings11
Update frequencyEvery 5 weeksWeekly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaidFreemium — better
DevicesiPhone, Apple WatchiPhone, iPad, Apple Watch — better
Requires iOS17.017.0
Further details — not scored
Size3 MB17 MB
Age rating4+4+
DeveloperSatoshi YoshimotoJRSW s.r.o.

In-app purchases

None

ColdPlungeAutoTimer

No in-app purchases

1 purchases

ColdLog

Subscriptions1
  • ColdLog PRO$8.991 Year

Questions

Is ColdPlungeAutoTimer free?
ColdPlungeAutoTimer costs $1.99, with no in-app purchases.
Is ColdLog free?
ColdLog is free to download, with in-app purchases available.
Which has better reviews, ColdPlungeAutoTimer or ColdLog?
ColdPlungeAutoTimer is rated higher. ColdPlungeAutoTimer averages 5.0 out of 5 from 1 ratings, while ColdLog averages 3.0 from 1 ratings.
Do ColdPlungeAutoTimer or ColdLog have ads?
Neither ColdPlungeAutoTimer nor ColdLog shows ads.
Which is updated more often, ColdPlungeAutoTimer or ColdLog?
ColdPlungeAutoTimer ships an update every 5 weeks, and ColdLog weekly. Most recently, ColdPlungeAutoTimer was updated on October 21, 2026 and ColdLog on October 30, 2026.

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