Comparison

Aether Habit Tracker vs Du Contracts

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

Head to head
About

Aether Habit Tracker

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The Philosophy of Aether In ancient Greek philosophy, Aether was the pure, clear essence of the cosmos—unaffected by chaos, embodying clarity, balance, and quiet order. The Aether app brings this philosophy to habit tracking: eliminating the noise, gamification bloat, and stress of daily routines, and turning consistency into something natural, light, and sustainable. With a beautiful, animated mesh gradient background and an ultra-clean layout, Aether helps users build routines—not just lists. Key Feature Highlights 1. Interactive iOS Widgets: Track at a Glance Checking off a habit should be friction-free. With brand new Interactive Widgets (built for iOS 17+), users can log habit completions directly from their Home Screen without ever opening the app. Today’s Habits Widget: Interactive check circles let you log habits with one tap. Supports small and medium formats. Progress Widget: A clean, circular circular gauge style widget displaying daily completion percentages. Seamless Updates: Actions taken on the Home Screen automatically sync across the app. 2. Live Activities & Dynamic Island Focus Sessions Stay in the zone with live, glanceable habit tracking. Dynamic Island Integration: Shows active focus sessions, timers, and completions directly at the top of the iPhone screen. Lock Screen Interactivity: Active focus banners feature a "Complete" button directly on the Lock Screen. Celebration Activity: Once all scheduled habits for the day are checked off, a celebratory Live Activity pops up featuring a playful companion and congratulations text ("Woof! You did it!") to reward daily consistency. 3. Visual Analytics & Insights Tab Understand your progress over time with built-in statistical visualization. SwiftUI Charts integration: A beautifully rendered 7-day completion chart shows weekly consistency. Aggregate Insights: Displays overall success rate, average streaks, best streaks, and total completion counts. Nuanced Status Tracking: Log habits as Completed, Skipped, Failed, or Rest—so rest days are protected and never penalize active streaks or success rates. 4. Interactive Streak Medals & Gamification Unlock milestones that reward patience and dedication. Immersive Medals: Earn badges for streaks, starting at "First Step" (first habit completed) to "Flawless Fortnight" (14 days), "One Month Master" (30 days), "Two Month Titan" (60 days), and the legendary "Century Club" (100 days). Tactile Celebration: Tapping unlocked medals triggers a delightful 3D card flip animation, a physical bounce, and custom haptic feedback to make achievements feel tangible. 5. Custom Scheduling & Reminders Build habits that fit your schedule, not the other way around. Flexible Schedules: Define daily frequencies, target weekly frequencies (e.g. 3 times a week), or select specific weekdays. Smart Reminders: Localized notifications scheduled for daily, weekly, or custom days with precise time-of-day execution. 6. CSV Data Export & Backups Your data belongs to you. Export your history anytime. Local CSV Generation: Exports habit title, status, streaks, notes, schedule, and reminders in a clean table format. Share Sheet Support: Share data instantly with Spreadsheet apps, AirDrop, files, or email.

About

Du Contracts

This app helps you build self-trust by creating time-bound "I Will" or "I Won't" commitments. Unfulfilled contracts are visible for a week, serving as a reminder to follow through on your promises to yourself.

Highlights
  • Create "I Will" or "I Won't" contracts
  • 24-hour contract expiration
  • Automatic failure tracking
  • Visible failure reminders
  • Build self-trust and accountability
Features
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The relationship you have with yourself is the most important one you’ll ever build. When you promise yourself you’ll call your doctor, do the dishes, or hit the gym—you owe it to yourself to follow through. At your core, you are two people constantly interacting with one another: the one who decides, and the one who acts. That’s Du! — the dialogue between you and yourself. Introducing Du Contracts. This app lets you create simple “I Will” or “I Won’t” contracts with a 24-hour expiration. Within that window, you either complete or fail your contract. If you don’t update it in time, it automatically moves to your Failure Folder. Failures stay visible on your home page for at least seven days—a gentle but firm reminder of your unfinished commitments. Hold yourself accountable. Build trust with yourself. Start your first Du Contract today.

Screenshots

Aether Habit Tracker4 screens
Du Contracts3 screens

Verdict

The call

The clearest difference is update cadence: Du Contracts at every 3 days against Aether Habit Tracker's fortnightly. Du Contracts also leads on device support (3 vs 1) and iOS requirement (13.0 vs 18.2). On price, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Aether Habit Tracker ships an update fortnightly, Du Contracts every 3 days. The most recent releases landed on September 18, 2026 and September 16, 2026 respectively.

Scorecard3 real differences · 6 level
Aether Habit Tracker versus Du Contracts: the parameters behind the verdict, then further details
ParameterAether Habit TrackerDu Contracts
PriceFreeFree
Rating—5.0 (2 ratings) — better
Number of ratings—2 — better
Update frequencyFortnightlyEvery 3 days — better
AdsNoNo
In-app purchasesNoNo
Monetization—Free
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS18.213.0 — better
Further details — not scored
Size2 MB19 MB
Age rating4+4+
DeveloperLinton PhilipDylan Kramer

In-app purchases

None

Aether Habit Tracker

No in-app purchases

None

Du Contracts

No in-app purchases

Questions

Is Aether Habit Tracker free?
Aether Habit Tracker is free to download, with no in-app purchases.
Is Du Contracts free?
Du Contracts is free to download, with no in-app purchases.
Do Aether Habit Tracker or Du Contracts have ads?
Neither Aether Habit Tracker nor Du Contracts shows ads.
Which is updated more often, Aether Habit Tracker or Du Contracts?
Aether Habit Tracker ships an update fortnightly, and Du Contracts every 3 days. Most recently, Aether Habit Tracker was updated on September 18, 2026 and Du Contracts on September 16, 2026.

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