Comparison

otu.ai vs Haru Danim

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

Head to head
About

otu.ai

Features
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OTU: Your AI-Powered Cross-Platform Memo App Capture your thoughts seamlessly and find them instantly, wherever you are. Key Features - Cross-Platform Access: Enjoy a consistent experience across all your devices. - AI Chatbot: Get instant answers based on your saved memos. - Advanced Editing Tools: Edit with the power of a word processor. - Quick Capture: Jot down ideas before they slip away. - Auto-Generated Titles: Save time with smart, automated titles. - Text Extraction from Images: Turn images into searchable memos. OTU is more than just a memo app. It’s designed to help you store effortlessly and retrieve effectively, enhanced by AI. Start your new memo journey with OTU today!

About

Haru Danim

Features
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Haru Danim β€” a visit to your day A habit and time tracker: log time and counts with a single tap, and shape your day with goals and quests. β–  How it works β€’ Create an "action" and tap once β€” time tracking (start/stop toggle) or count logging (+1), recorded instantly β€’ Track several actions at the same time; while tracking, see it live in the Dynamic Island and on the Lock Screen β€’ Organize actions with color-coded tags, find any action by name, and automatically ignore accidental short sessions and double-tapped counts β–  Goals & quests β€’ Under a big "goal", create actionable "quests" β€” daily, weekly, monthly, or a custom period β€’ Fine-grained rules: every day / specific weekdays or dates / reach-at-least or stay-under / count only until a daily deadline β€’ Daily, weekly and monthly progress plus streaks and your best streak so far; goals are judged automatically when their end date passes β€’ Set your own achievement threshold from 10–100% β–  History & stats β€’ A daily list and a 24-hour timetable (day/week) show your records at a glance β€” simultaneous sessions sit side by side, and Apple Health water intake appears as dots at the time you drank β€’ Charts by tag and by action (daily/weekly/monthly) with totals and averages β€’ When charts feel empty early in a week or month, switch to a rolling last-7/30-days view β€’ Export exactly what you see as a high-resolution image report β€’ Back up all data to CSV files (free plan included) β€” Premium adds CSV import to restore records β€’ Clear out long-accumulated records with Data Cleanup & Reset β€” with a CSV backup and a keepsake summary report before anything is deleted β€’ See today's Apple Health data (steps, exercise, sleep and more) as tiles on the Home tab, and workout time by type in the Stats tab β€” values never leave your device β–  Go further with Premium β€’ Unlimited actions, goals and quests β€’ Home Screen & Lock Screen widgets β€” run and stop right from the widget, progress rings and charts β€’ Really Big Widget β€” design a full-page widget block by block β€” actions, goals, a calendar (events + records), a 24-hour day grid, photos and more; date and text blocks come with fonts like serif and handwriting (iPhone on iOS 27 and later, iPad in landscape; building presets is free) β€’ Launch from Control Center and the Action button β€’ Apple Watch app and complications β€” track from your wrist, with an Action Log complication showing totals on your watch face β€’ Siri Shortcuts β€” "Hey Siri, start tracking Reading in Haru Danim" β€’ iCloud sync across iPhone, iPad and Mac β€’ Diary on iPhone, iPad and Mac β€” a daily summary page plus free-form notes (Apple Pencil on iPad, finger drawing on iPhone, mouse and keyboard on Mac), with your own PDF page templates. The summary now includes a health-data card and a timetable with your sleep and workouts laid in β€’ CSV import β€” bring actions and records back from your exported CSVs β€’ Health quests β€” goals from Apple Health data like steps, sleep and workout types ("8,000 steps a day," "8 hours of sleep") β–  Privacy This app collects no personal data. Everything stays on your device and (if you turn on sync) in your own iCloud. Privacy Policy: https://github.com/notalentprogrammer/HaruDanim/blob/main/PRIVACY.md Terms of Use (Apple standard EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ β–  About subscriptions Premium is available as a monthly/yearly auto-renewing subscription or a one-time lifetime purchase. Payment is charged to your Apple Account, and subscriptions renew automatically unless canceled at least 24 hours before the end of the period. You can cancel anytime in App Store subscription settings.

Screenshots

otu.ai3 screens
Haru Danim4 screens

Verdict

The call

The clearest difference is update cadence: Haru Danim at weekly against otu.ai's fortnightly. otu.ai's advantage is iOS requirement (15.1 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

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

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. otu.ai sells 2 in-app purchases, starting at $4.99 per month and Haru Danim sells 3 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

otu.ai ships an update fortnightly, Haru Danim weekly. The most recent releases landed on October 3, 2026 and October 16, 2026 respectively.

Scorecard2 real differences Β· 4 level
otu.ai versus Haru Danim: the parameters behind the verdict, then further details
Parameterotu.aiHaru Danim
PriceFreeFree
Update frequencyFortnightlyWeekly β€” better
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPodiPhone, iPad, Apple Watch β€” better
Requires iOS15.1 β€” better18.0
Further details β€” not scored
Size27 MB31 MB
Age rating4+4+
DeveloperopentutorialsYECHAN SONG

In-app purchases

2 purchases

otu.ai

Subscriptions2
  • Monthly Subscription$4.991 Month
  • Yearly Subscription$44.991 Year
3 purchases

Haru Danim

Subscriptions2
  • Monthly$2.991 Month
  • Yearly$29.991 Year
One-time1
  • Lifetime$49.99

Questions

Is otu.ai free?
otu.ai is free to download, with in-app purchases available.
Is Haru Danim free?
Haru Danim is free to download, with in-app purchases available.
Do otu.ai or Haru Danim have ads?
Neither otu.ai nor Haru Danim shows ads.
Which is updated more often, otu.ai or Haru Danim?
otu.ai ships an update fortnightly, and Haru Danim weekly. Most recently, otu.ai was updated on October 3, 2026 and Haru Danim on October 16, 2026.

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