Comparison

Rytmo vs NotZero

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

Head to head
About

Rytmo

This app helps you build better habits with smart tracking, detailed analytics, and a built-in timer. It offers personalized themes and privacy-focused data storage on your device. Track simple or quantitative habits, view progress with interactive charts, and add notes for reflection.

Highlights
  • Smart habit tracking (yes/no, quantitative)
  • Detailed analytics with charts
  • Integrated timer and stopwatch
  • Notes and reflection logging
  • iOS home screen widgets
  • Privacy-first, local data storage
  • Personalization options
Read full description

Rytmo - complete control over your habits Rytmo isn't just a habit tracker - it's your personal assistant in creating a better version of yourself. The app combines ease of use with powerful progress tracking capabilities. KEY FEATURES: SMART TRACKING Create both simple habits (yes/no) and quantitative ones (drink 8 glasses of water, run 5km). Set "at least" or "at most" goals for maximum flexibility. Each habit has its unique color and icon for quick recognition. DETAILED ANALYTICS View statistics for week, month, or year. Interactive charts show your progress and trends. Calendar view lets you see your entire habit completion history at a glance. TIMER AND STOPWATCH Built-in timer for meditation, workouts, or Pomodoro technique. Stopwatch with lap functionality for tracking sports achievements. History of all sessions is saved automatically. NOTES AND REFLECTION Add notes to each habit to track thoughts, mood, or special moments. Filter notes by habits or view all together. This helps better understand your behavior patterns. iOS WIDGETS Interactive widgets let you mark habits directly from your home screen. Calendar widget shows progress as a heat map. Synchronization between app and widgets works instantly. PRIVACY FIRST All data is stored only on your device. No registrations, no personal data collection. Your privacy is our priority. PERSONALIZATION Three themes (light, dark, system), different app icons, week start settings. The app adapts to your preferences. Rytmo is a tool for those who take self-development seriously but value simplicity and elegance in use.

About

NotZero

Read full description

No zero days start here. NotZero is a clean habit tracker built to help you stay consistent every day. Create one simple system, mark progress in one tap, and keep your streak alive. Why NotZero works: - Track habits for fitness, reading, coding, language learning, and more - Mark today fast and see your streak instantly - Stay focused with a minimal, distraction-free design - Use reminders to stay accountable - Keep your progress visible with Home Screen widgets - See deeper trends, consistency, and momentum over time - Sync your progress with iCloud - Keep your data private and under your control NotZero Premium unlocks: - Unlimited tracks - Widget access - Advanced stats and trends - Themes and customization - iCloud sync and a cleaner long-term system Whether you want to build discipline, improve your routine, or simply make sure the day is not wasted, NotZero helps you keep moving. Terms of Use: https://notzero.app/terms Privacy Policy: https://notzero.app/privacy-policy Support: https://notzero.app/support

Screenshots

Rytmo4 screens
NotZero4 screens

Verdict

The call

The clearest difference is in-app purchases: Rytmo at none against NotZero's 2. Rytmo also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement 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. NotZero sells 2 in-app purchases, starting at $4.99 per month. Rytmo asks for nothing beyond the download.

UpkeepUpdate frequency

Rytmo ships an update every 5 days, NotZero weekly. The most recent releases landed on October 15, 2026 and September 27, 2026 respectively.

Scorecard2 real differences · 8 level
Rytmo versus NotZero: the parameters behind the verdict, then further details
ParameterRytmoNotZero
PriceFreeFree
Rating5.0 (2 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings2 — better—
Update frequencyEvery 5 days — betterWeekly
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPad — betteriPhone
Requires iOS17.0 — better18.0
Further details — not scored
Size3 MB16 MB
Age rating4+4+
DeveloperArtem NovikovDaniil Mykhailenko

In-app purchases

None

Rytmo

No in-app purchases

2 purchases

NotZero

Subscriptions2
  • NotZero Premium Monthly7 Days trial$4.991 Month
  • NotZero Premium Yearly7 Days trial$24.991 Year

Questions

Is Rytmo free?
Rytmo is free to download, with no in-app purchases.
Is NotZero free?
NotZero is free to download, with in-app purchases available.
Do Rytmo or NotZero have ads?
NotZero shows ads; Rytmo does not.
Which is updated more often, Rytmo or NotZero?
Rytmo ships an update every 5 days, and NotZero weekly. Most recently, Rytmo was updated on October 15, 2026 and NotZero on September 27, 2026.

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