Comparison

Habit Stack vs Master Key

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

Head to head
About

Habit Stack

Features
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HabitStack helps you build lasting consistency through small, stackable habits related to fitness, nutrition, recovery, and wellbeing. Why HabitStack? Life is busy. Traditional habit trackers can feel overwhelming with endless lists and guilt-inducing streaks. HabitStack takes a different approach: group your habits into simple stacks that match your daily routines, check in with one tap, and focus on progress rather than perfection. Core Features - Habit Stacking: Group related habits into routines like "Morning Stack" or "Post-Workout Stack" for faster check-ins - One-Tap Completion: Mark habits as done with a single tap, no friction - Offline-First: Works perfectly without internet, syncs when available (premium) - Privacy-Focused: Your data stays on your device, with optional iCloud sync - Calm Design: No pressure, no guilt. Just encouragement and gentle progress tracking Perfect For HabitStack works brilliantly for health-focused habits: - Fitness routines (stretching, walking, strength training) - Nutrition habits (water intake, supplements, meal prep) - Recovery practices (sleep schedule, rest days, mobility work) - Wellbeing rituals (meditation, journaling, time outdoors) Free Tier Get started with up to 5 habits and 2 stacks, completely free. Track your daily completions and view your weekly progress, everything you need to build consistency. Premium Features Unlock your full potential with HabitStack Premium: - Unlimited habits and stacks - Habit templates to get started quickly - Advanced insights and progress analytics - iCloud sync across all your devices - Smart reminders to support your routines - All future features included Our Philosophy We believe free users should succeed, and premium users should optimize. No ads, no dark patterns, no manipulation just honest tools to support your wellbeing journey. Privacy First HabitStack stores your data locally on your device. We don't collect usage analytics, sell your data, or show you ads. Optional iCloud sync (premium) uses your private iCloud account, fully encrypted. Start Building Today Download HabitStack and take the first step towards lasting consistency. Whether you're working on fitness, nutrition, recovery, or general wellbeing, small stackable habits add up to meaningful change. Subscription Terms of Use https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Master Key

Features
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Try Master Key Manifesting free for 7 days โ€” no commitment, cancel anytime. Manifest faster with Master Key. This is a guided manifestation and meditation experience designed to help you align your mind, body, and frequency with the life you desire. SUBSCRIPTION Full access to all features requires a subscription. Weekly and annual plans are available. Subscriptions auto-renew and can be cancelled anytime in your App Store settings. Most people know what they want. Few know how to feel it before it arrives. Master Key bridges that gap โ€” combining self-guided meditation, deep visualization, ambient soundscapes, and daily affirmations to train your subconscious mind to receive what you're calling in. YOUR PRACTICE Show up every day โ€” even for 5 minutes. Track your sessions, hit the sweet spot, and watch the magic begin! FEATURES โ€ข Self-guided meditation with binueral beats and ambient sounds โ€ข Record and play back your own visualizations โ€ข Vision board โ€” add photos and intentions โ€ข Daily affirmations delivered throughout your day โ€ข Core beliefs and custom affirmation builder โ€ข The Master Key Library โ€” legends and lessons on manifestation โ€ข Track sweet spots, synchronicities, and session notes โ€ข Records and calendar to watch your progress grow โ€ข Frequency levels โ€” rise from Dormant to Transcendent Manifest with real guidance, not just prompts. Immersive, coaching-style visualizations walk you through the feelings and images of the life you're calling in โ€” not just a checklist to log. Set the goals your future self is already living. Turn your deepest desires into clear, specific intentions โ€” then watch the universe start rearranging itself around them. Your daily return to yourself. A few mystical, grounding minutes each day is all it takes to realign with the life that's already yours. THE SWEET SPOT The moment you truly feel it โ€” where belief and emotion align. That frequency is your signal to the universe. Master Key helps you find it, track it, and return to it. The door opens from the inside. Master Key isn't just an app โ€” it's your guide back to the version of you who already has it all. THE MASTER KEY The key has always been yours. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Habit Stack4 screens
Master Key4 screens

Verdict

The call

The clearest difference is update cadence: Master Key at every 2 weeks against Habit Stack's every 2 months. Master Key also leads on iOS requirement (16.2 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Habit Stack sells 3 in-app purchases, starting at $1.99 per month and Master Key sells 2 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Habit Stack ships an update every 2 months, Master Key every 2 weeks. The most recent releases landed on November 9, 2026 and November 5, 2026 respectively.

Scorecard2 real differences ยท 4 level
Habit Stack versus Master Key: the parameters behind the verdict, then further details
ParameterHabit StackMaster Key
PriceFreeFree
Update frequencyEvery 2 monthsEvery 2 weeks โ€” better
AdsNoNo
In-app purchasesYesYes
DevicesiPhoneiPhone
Requires iOS26.016.2 โ€” better
Further details โ€” not scored
Size13 MB11 MB
Age rating4+4+
DeveloperReuben Enterprises LtdShaw Zarkoub

In-app purchases

3 purchases

Habit Stack

Subscriptions2
  • Monthly1 Month trial$1.991 Month
  • Yearly$19.991 Year
One-time1
  • Lifetime$39.99
2 purchases

Master Key

Subscriptions2
  • Master Key Premium โ€” Weekly$2.997 Days
  • Master Key Premium โ€” Annual$49.991 Year

Questions

Is Habit Stack free?
Habit Stack is free to download, with in-app purchases available.
Is Master Key free?
Master Key is free to download, with in-app purchases available.
Do Habit Stack or Master Key have ads?
Neither Habit Stack nor Master Key shows ads.
Which is updated more often, Habit Stack or Master Key?
Habit Stack ships an update every 2 months, and Master Key every 2 weeks. Most recently, Habit Stack was updated on November 9, 2026 and Master Key on November 5, 2026.

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