Comparison

Habit Tracker (Two Hearts) vs Compound

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

Head to head
About

Habit Tracker (Two Hearts)

This app helps build consistent habits with a "never miss twice" philosophy. It offers a gentler approach than traditional streak trackers, focusing on recovery and consistency over perfection. Track progress visually and stay motivated with a simple, private system.

Highlights
  • Two Hearts System for gentle habit building
  • Focus on consistency over perfection
  • Track progress from day to year
  • Home screen widgets for quick status checks
  • 100% private, no data collection
  • Simple, single-habit focus
Features
Read full description

*Inspired by the Never Miss Twice philosophy from Atomic Habits. Build consistency without chasing perfection. Most habit apps expect you to be perfect. Miss a day and your streak is gone. Two Hearts is built around a simpler idea: Don't miss twice. You start with two hearts. Miss a day and lose one. Miss again before getting back on track and you break your streak. Life happens. The goal isn't perfection—it's returning. Features The Two Hearts System: A gentler alternative to traditional streaks Designed for real life, not perfect days Focus on consistency over guilt Zoom from Day to Year: Track your progress across weekly, monthly, and yearly views See patterns instead of obsessing over individual days Watch consistency compound over time Home Screen Widgets: Check your status without opening the app See remaining hearts, streaks, and progress at a glance Quick reminders to stay on track 100% Private: No accounts No sign-ups No cloud sync No data collection Everything stays on your device. One Habit. One Focus. No endless habit lists No complicated setup No productivity theater Choose what matters most and show up consistently. Why Two Hearts? Most habit trackers are designed around streaks. Two Hearts is designed around recovery. Because success isn't never missing. It's coming back before a missed day becomes a missed week.

About

Compound

This app visually tracks your daily progress on habits, turning consistency into a unique art form. Each completed habit fills a square on a heatmap, and daily improvements are represented as a rising personal percentage. It offers a private, ad-free experience with no account required.

Highlights
  • Habit heatmaps
  • Daily percentage improvement
  • No account required
  • Ad-free experience
  • Private tracking
  • Visual progress representation
Features
Read full description

Compound is a beautifully simple habit tracker that turns your consistency into art. Every habit gets its own heatmap — each day you follow through paints another square, and watching the grid fill up becomes its own reward. To track your progress, completing your habits makes you a small % better each day. Watch your personal stock soar. No account. No sign-up. No cloud. No ads. No tracking. Whether you're building a reading streak, drinking more water, or practicing an instrument, Compound keeps the promise you made to yourself visible - one percent at a time.

Screenshots

Habit Tracker (Two Hearts)4 screens
Compound4 screens

Verdict

The call

The clearest difference is in-app purchases: Habit Tracker (Two Hearts) at none against Compound's 3. Habit Tracker (Two Hearts) also leads on update cadence (every 2 days vs every 4 weeks) and iOS requirement (16.4 vs 18.0). Compound's advantage is ratings volume (3 vs 1). On price, rating, ads and monetization model 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

Both are free to download. Compound sells 3 one-off in-app purchases. Habit Tracker (Two Hearts) asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for Habit Tracker (Two Hearts) against 5.0 for Compound. Both are backed by a comparable volume of ratings — 1 and 3 respectively.

UpkeepUpdate frequency

Habit Tracker (Two Hearts) ships an update every 2 days, Compound every 4 weeks. The most recent releases landed on October 7, 2026 and October 25, 2026 respectively.

Scorecard4 real differences · 6 level
Habit Tracker (Two Hearts) versus Compound: the parameters behind the verdict, then further details
ParameterHabit Tracker (Two Hearts)Compound
PriceFreeFree
Rating5.0 (1 ratings)5.0 (3 ratings)
Positive reviews—100.0% of reviews
Number of ratings13 — better
Update frequencyEvery 2 days — betterEvery 4 weeks
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFreeFree
DevicesiPhone, iPad — betteriPhone
Requires iOS16.4 — better18.0
Further details — not scored
Size43 MB25 MB
Age rating4+4+
DeveloperHeather HuaEyeline Tech LLC

Customer experience

Habit Tracker (Two Hearts)

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Compound

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Habit Tracker (Two Hearts)

No in-app purchases

3 purchases

Compound

One-time3
  • Small Support$4.99
  • Medium Support$7.99
  • Large Support$14.99

Questions

Is Habit Tracker (Two Hearts) free?
Habit Tracker (Two Hearts) is free to download, with no in-app purchases.
Is Compound free?
Compound is free to download, with in-app purchases available.
Which has better reviews, Habit Tracker (Two Hearts) or Compound?
Habit Tracker (Two Hearts) and Compound are both rated 5.0 out of 5 on the App Store, from 1 and 3 ratings respectively.
Do Habit Tracker (Two Hearts) or Compound have ads?
Neither Habit Tracker (Two Hearts) nor Compound shows ads.
Which is updated more often, Habit Tracker (Two Hearts) or Compound?
Habit Tracker (Two Hearts) ships an update every 2 days, and Compound every 4 weeks. Most recently, Habit Tracker (Two Hearts) was updated on October 7, 2026 and Compound on October 25, 2026.

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