Comparison

Habit Stack vs Tether

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

Head to head
About

Habit Stack

Features
Read full description

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

Tether

This app helps you build emotional well-being by setting daily boundaries. It provides inspiring quotes, allows you to log your boundaries, and tracks your consistency to boost confidence. Access a library of quotes and helpful scripts for difficult situations.

Highlights
  • Daily boundary quotes
  • Boundary logging with categories
  • Streak tracking for consistency
  • Library of 200+ quotes
  • Scripts for 25+ real situations
  • Private journal for logged boundaries
Features
Read full description

Tether is your daily companion for setting boundaries and building emotional well-being. Every day, Tether delivers a carefully curated quote to inspire and remind you that your boundaries matter. Log the boundaries you set, track your consistency, and watch your confidence grow over time. FEATURES - Daily boundary quotes — a new empowering quote every day - Boundary logging — record the boundaries you set with categories - Streak tracking — celebrate your consistency day by day - Quote library — browse 200+ quotes by category - Boundary scripts — word-for-word scripts for 25+ real situations - Journal — a private record of every boundary you've logged TETHER+ Unlock the full Tether experience with Tether+: - Full quote library — 200+ quotes across 7 categories - Unlimited boundary logging - Full journal history - Home screen widget - Monthly reflection summary TETHER SCRIPTS Know exactly what to say. Tether Scripts gives you word-for-word scripts for the situations where setting a boundary feels hardest — at work, with family, in relationships, and more. Your data stays on your device. Tether does not collect or share your personal information. Set boundaries. Stay grounded. Your data stays on your device. Tether does not collect or share your personal information. Set boundaries. Stay grounded. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://kimmiltonsw.github.io/tether-privacy/

Screenshots

Habit Stack4 screens
Tether4 screens

Verdict

The call

Habit Stack and Tether are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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. Habit Stack sells 3 in-app purchases, starting at $1.99 per month and Tether sells 3 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

ScorecardNo meaningful differences
Habit Stack versus Tether: the parameters behind the verdict, then further details
ParameterHabit StackTether
PriceFreeFree
Rating—5.0 (3 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—3 — better
Update frequencyEvery 2 months—
AdsNoNo
In-app purchasesYesYes
Monetization—Free with in-app purchases
DevicesiPhoneiPhone, iPad — better
Requires iOS26.0 — better26.4
Further details — not scored
Size13 MB11 MB
Age rating4+4+
DeveloperReuben Enterprises LtdKimberley milton

In-app purchases

3 purchases

Habit Stack

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

Tether

Subscriptions2
  • Tether+$4.991 Month
  • Tether+$34.991 Year
One-time1
  • Tether Scripts$4.99

Questions

Is Habit Stack free?
Habit Stack is free to download, with in-app purchases available.
Is Tether free?
Tether is free to download, with in-app purchases available.
Do Habit Stack or Tether have ads?
Neither Habit Stack nor Tether shows ads.

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