Comparison

Smart Journal vs Cold Mastery

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

Head to head
About

Smart Journal

Features
Read full description

Dreavie is the private journal that guides your writing. Unlike traditional diaries, Dreavie AI helps you organize thoughts through chat, asks reflective prompts, and analyzes your entries on request. Whether daily journaling, importing handwritten pages via photo, or reflecting with AI – everything stays encrypted on your device. No cloud. No servers. Your thoughts belong to you alone. Write freely, digitize your diary, or talk with an intelligent conversation partner that helps you find clarity. Dreavie makes journaling simple, secure, and personal – for mental health or creative writing. WRITE YOUR JOURNAL Create entries in seconds. Morning thoughts, feelings after work, or evening reflections – just start writing. AI COACH IN CHAT Imagine having a conversation partner who's always available. The AI coach knows your entries and can ask you prompts in the editor, helps you reflect, and brings new perspectives to your thoughts. Perfect when you don't know where to start. DIGITIZE HANDWRITING Photograph handwritten diary pages and Dreavie converts them into searchable text. Your analog memories go digital – without typing everything out. DREAM ANALYSIS Capture and understand your dreams. Dreavie helps you recognize patterns and discover meanings. Your dream diary with intelligent support. FAST SEARCH Find every thought again. Search all your entries – whether digitally written or imported from paper. PRIVACY FIRST All your data stays encrypted on your device. No cloud. No servers. No AI training data. You alone have access to your thoughts. Optionally, you can enable an encrypted cloud backup – but only if you want to. EXPORT YOUR DATA Your data belongs to you. Export all entries anytime as a backup or to use elsewhere. FOR EVERY AREA OF LIFE Mental Health: Reflect on feelings and recognize patterns Fitness & Progress: Document workouts and achievements Creativity: Capture ideas and projects Personal Growth: Track your development over months and years Work: Reflect on your workday to grow Memories: Preserve your most beautiful moments so they last forever Sounds good? It is. Start for free with Dreavie – your private journal. Questions, suggestions, or feedback? Write to us at office@dreavie.com GeschΓ€ftsbedingungen: https://dreavie.com/en/legal/terms Datenschutzrichtlinie: https://dreavie.com/en/legal/privacy-policy EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Cold Mastery

Features
Read full description

Master the cold β€” one session at a time. Cold Mastery is your guided companion for cold showers, ice baths, and cold plunges. No method dogma, no guru subscription β€” a precise tool that turns your intention into a daily practice. THE COMPLETE PRACTICE ON iPHONE β€’ Timer with adjustable lead-in and voice coach β€’ Guided breathing exercise (Box Breathing, Power Breathing, and more) before each session β€’ 3 training programs β€” from beginner to Cold Master β€’ Streak tracking with milestones and daily goals β€’ Temperature tracking for every session β€’ Session history, calendar, and progress charts WITH APPLE WATCH: MEASURED LIVE Wearing a Watch adds the crucial layer β€” in the shower, in the plunge, and in open water: β€’ Direct access from the watch face β€” two taps and your session is running β€’ Haptic countdown pulses every 15 or 30 seconds β€” close your eyes, focus on your body β€’ Live heart rate during the session: see your cold shock response in real time β€’ Recovery phase with HR recovery tracking after the cold β€’ Water Lock for safe wear underwater PROGRESS YOU CAN MEASURE Cold Mastery doesn't just show you how long you lasted β€” it shows how your body adapts: β€’ Peak heart rate trend: your cold shock response decreases over weeks β€’ Recovery rate: how quickly your heart rate returns after the cold β€’ Endurance: from 15 seconds to Cold Master PROGRAMS THAT CARRY YOU Three evidence-based training programs give your practice structure: β€’ Cold Starter β€” your entry point with short cold showers β€’ Cold Seeker β€” increase duration and intensity step by step β€’ Cold Master β€” for the experienced: ice baths, plunges, and longer exposures YOUR DATA STAYS YOURS β€’ No account required β€” no profile, no email β€’ No data sent to external servers β€” your sessions stay on your devices β€’ Private iCloud sync between iPhone and Watch COLD MASTERY PRO The core features with cold showers, timer, and streak are free. Pro unlocks: β€’ All session types (ice bath, cold plunge, open water) β€’ Guided breathing exercise with voice coach β€’ Detailed progress charts (HR trends, recovery rate) β€’ Training programs Not a medical device. Cold exposure carries risks β€” educate yourself and listen to your body. Not suitable for certain cardiovascular conditions, asthma, or during pregnancy. When in doubt: consult a doctor. Terms of Use (EULA): https://coldmastery.com/en/terms Privacy Policy: https://coldmastery.com/en/privacy

Screenshots

Smart Journal4 screens
Cold Mastery4 screens

Verdict

The call

The clearest difference is in-app purchases: Smart Journal at none against Cold Mastery's 3. Smart Journal also leads on iOS requirement (15.1 vs 17.0). Cold Mastery's advantage is ads (none vs shown). On price, update cadence and device support there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. Cold Mastery sells 3 in-app purchases, starting at $4.99 per month. Smart Journal asks for nothing beyond the download.

UpkeepUpdate frequency

Smart Journal ships an update every 5 days, Cold Mastery every 3 days. The most recent releases landed on October 30, 2026 and November 5, 2026 respectively.

Scorecard3 real differences Β· 3 level
Smart Journal versus Cold Mastery: the parameters behind the verdict, then further details
ParameterSmart JournalCold Mastery
PriceFreeFree
Update frequencyEvery 5 daysEvery 3 days β€” better
AdsYesNo β€” better
In-app purchasesNo β€” betterYes
DevicesiPhone, iPad, iPod β€” betteriPhone, Apple Watch
Requires iOS15.1 β€” better17.0
Further details β€” not scored
Size79 MB15 MB
Age rating12+4+
DeveloperNoah Juraj SoticekFabian Weiss

In-app purchases

None

Smart Journal

No in-app purchases

3 purchases

Cold Mastery

Subscriptions2
  • Pro Monthly$4.991 Month
  • Pro Yearly$29.991 Year
One-time1
  • Pro Lifetime$49.99

Questions

Is Smart Journal free?
Smart Journal is free to download, with no in-app purchases.
Is Cold Mastery free?
Cold Mastery is free to download, with in-app purchases available.
Do Smart Journal or Cold Mastery have ads?
Smart Journal shows ads; Cold Mastery does not.
Which is updated more often, Smart Journal or Cold Mastery?
Smart Journal ships an update every 5 days, and Cold Mastery every 3 days. Most recently, Smart Journal was updated on October 30, 2026 and Cold Mastery on November 5, 2026.

Other comparisons