Comparison

otu.ai vs Chrobox

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
Read full description

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

Chrobox

This app helps you focus by blocking distracting applications and using AI to schedule your tasks during your most productive hours. It guides you through brainstorming, prioritizing, timeboxing, and reviewing your day, with features like a routine garden and widgets to keep you on track.

Highlights
  • AI-powered task scheduling
  • Distracting app blocking
  • Voice input for brainstorming
  • Routine garden for habit tracking
  • Lock Screen and Home Screen widgets
  • Weekly AI analysis and statistics
Features
Read full description

Chrobox β€” block distracting apps and plan your day in 4 steps with AI timeboxing. Pick up your phone to focus, then lose 30 minutes to it? Lock the apps that distract you, and let AI schedule your tasks into your best hours. β—† The Chrobox 4-step method 1. Brainstorm Dump everything on your mind β€” voice input supported. 2. Prioritize Drag and drop to put what truly matters first. 3. Timebox AI learns your patterns and places each task at your most focused hours. During focus time, block distracting apps to stay locked in. 4. Execute & review Check tasks off, look back on your day, and get a warm note from AI. β—† And more - Routine garden: watch your habits grow like grass, day by day - Lock Screen & Home Screen widgets: see your next task at a glance - Weekly AI analysis & statistics: understand your productivity patterns - AI titles: earn special titles as your streak grows β—† Perfect for you if - You want to beat phone addiction and cut screen time - Your to-do list is long but execution is hard - You're building focus routines for study or work - You want a daily review habit Pro subscription unlocks all AI features. 3-day free trial. Terms of Use: https://relic-baboon-412.notion.site/2bc766a8bb46804daf77d521e89435ac Privacy Policy: https://relic-baboon-412.notion.site/2bc766a8bb4680839471f31909f3958c

Screenshots

otu.ai3 screens
Chrobox4 screens

Verdict

The call

The clearest difference is update cadence: Chrobox at every 5 days against otu.ai's fortnightly. otu.ai's advantage is iOS requirement (15.1 vs 17.6). 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 Chrobox sells 3 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

otu.ai ships an update fortnightly, Chrobox every 5 days. The most recent releases landed on November 8, 2026 and November 5, 2026 respectively.

Scorecard2 real differences Β· 6 level
otu.ai versus Chrobox: the parameters behind the verdict, then further details
Parameterotu.aiChrobox
PriceFreeFree
Positive reviewsβ€”100.0% of reviews
Update frequencyFortnightlyEvery 5 days β€” better
AdsNoNo
In-app purchasesYesYes
Monetizationβ€”Freemium
DevicesiPhone, iPodiPhone, iPad
Requires iOS15.1 β€” better17.6
Further details β€” not scored
Size27 MB95 MB
Age rating4+4+
Developeropentutorialsjunhyeong kim

In-app purchases

2 purchases

otu.ai

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

Chrobox

Subscriptions2
  • chrobox_monthly_subscription3 Days trial$3.991 Month
  • chrobox_yearly_subscription3 Days trial$29.991 Year
One-time1
  • chrobox_lifetime$39.99

Questions

Is otu.ai free?
otu.ai is free to download, with in-app purchases available.
Is Chrobox free?
Chrobox is free to download, with in-app purchases available.
Do otu.ai or Chrobox have ads?
Neither otu.ai nor Chrobox shows ads.
Which is updated more often, otu.ai or Chrobox?
otu.ai ships an update fortnightly, and Chrobox every 5 days. Most recently, otu.ai was updated on November 8, 2026 and Chrobox on November 5, 2026.

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