Comparison

Any.do vs Second AI Brain

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

Head to head
About

Any.do

Organize your life with a comprehensive task list, calendar, and reminder app. Seamlessly sync across devices, set location-based or recurring reminders, and collaborate on shared lists. Boost productivity with intuitive task management and daily planning features.

Highlights
  • Seamless cross-device syncing
  • Location-based and recurring reminders
  • Shared lists and task assignment
  • Daily planner and calendar view
  • Voice entry for tasks
  • File attachments to tasks
Features
Read full description

Join over 50 million people who rely on Any.do to organize their life, work and get more done. "IT'S A MUST HAVE APP" (NYTimes, WSJ, USA Today & Lifehacker). It's the perfect combo of a task list, calendar, planner & reminders all-in-one app. THE #1 TO DO LIST & TASK LIST SYNCS SEAMLESSLY between your mobile, desktop, web, and tablet. Keeps all your to do list, tasks, reminders, calendar & agenda always in sync so you’ll never forget a thing GET REMINDERS for a scheduled time, when you reach a particular location or set recurring reminders so you never miss a thing WORK TOGETHER with shared lists and assigned tasks to collaborate and get more done, with anyone. Widget with simple and powerful features to keep your to do list and calendar events always at hand SIMPLE & POWERFUL CALENDAR OUTLOOK EASILY VIEW your events and to-do list & Tasks for the day, week & month SYNC SEAMLESSLY in real-time with your phone’s calendar, google calendar, Facebook events, outlook calendar, or any other calendar so you don’t forget an important event ALL-IN-ONE APP FOR GETTING THINGS DONE To easily create reminders we added voice entry so you can just speak your mind and we’ll add it to your to do list. For better task management flow we added a calendar integration to keep your agenda always up to date. To enhance your productivity we added cross-platform support for recurring reminders, location reminders, sub-tasks, notes & file attachments. To keep your to-do list always up to date, we’ve added a one-of-a-kind daily planner. TO DO LIST, CALENDAR & REMINDERS MADE SIMPLE Any.do was designed to keep you on top of your to do list and calendar with no hassle. Thanks to the intuitive drag and drop of tasks, swiping to mark to-do's as complete, and shaking your device to remove completed from your to do list - you can keep yourself organized and enjoy every minute of it. POWERFUL TASK LIST MANAGEMENT Looking for more? Add a to do list item straight from your email inbox by forwarding do@any.do. Attach files from your computer, Dropbox, or Google Drive to your tasks. LIFE ORGANIZER & DAILY PLANNER Any.do is a to do list, a calendar, an inbox, a notepad, a checklist, task list, a board for post its or sticky notes, a project management tool, a reminders app, a daily planner, a family organizer, and overall the simplest and most useful productivity tool you will ever have. SHARE LISTS & ASSIGN TASKS To plan & organize projects has never been easier. Now you can share lists between family members, assign tasks to each other, chat and much more. Any.do will help you and the people around you stay in-sync and get reminders so that you can focus on what really matters, knowing you had a productive day and crossed off your to do list GROCERY LIST & SHOPPING LIST Any.do task list is also great for shopping at the grocery store. Right there on your to do list is a handy shopping list option that you can share with others. Forgot to buy post-it notes? Want reminders? Simply create a list on Any.do, share it with your loved ones and see them adding their shopping items in real-time. You won’t believe how you’ve done shopping or grocery lists before Auto-Renewable subscription payment will be charged to iTunes Account at confirmation of purchase. Unless auto-renew is turned off at least 24-hours before the end of the current period, your account will be charged for renewal within 24 hours prior to the end of the current period. Your account will be charged at the cost of the subscription plan you chose: $9.99 - monthly plan $26.99 - 6 months plan $59.99 - 12 months plan with 7 days trial (50% OFF) You can manage and cancel the auto-renew subscription at any time from the account settings on iTunes (post-purchase), but we are unable to issue refunds for any pay periods that have already been billed. *Please note we do not support Family Sharing at the moment.* Terms: www.any.do/legal/app-license-agreement Privacy: www.any.do/legal/privacy-policy

About

Second AI Brain

Features
Read full description

Second AI Brain helps you capture what matters, organize it into lasting memory and connected knowledge, and turn it into useful action. CAPTURE IN THE MOMENT Save ideas and experiences with text, voice, images, files, or links. English and Simplified Chinese speech recognition follow the language you select in Settings. MEMORY THAT STAYS USEFUL Keep short-term and long-term memories organized, searchable, and connected. Related knowledge can resurface when it becomes relevant. FROM MEMORY TO ACTION Create reminders, keep calendar context in sync, review upcoming items, and receive weather-aware alerts when related system permissions are available. HOSTED AI, NO API KEY REQUIRED A frontier multimodal flagship AI model powers text-based memory, knowledge, context, and planning through a Second AI Brain relay. An eligible three-day trial includes 5 memory/reminder uses, 1 knowledge document, and 5 knowledge Q&A. Monthly and quarterly subscribers receive 80 memory/reminder uses, 20 knowledge documents, and 80 Q&A each month. Quarterly allowances reset monthly, not all at once. A single knowledge document may contain up to 100,000 characters. Apple shows the local price before purchase. BUILT AROUND YOUR DATA Core memory, knowledge, indexes, and retrieval stay on your device or your optional private iCloud. Content needed for requested AI features passes through the relay to the third-party AI provider identified in our Privacy Policy. The relay does not retain prompt or answer content. Existing local data remains accessible after an AI trial or subscription ends. Supports iPhone, iPad, widgets, and the Share extension. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Any.do4 screens
Second AI Brain4 screens

Verdict

The call

The clearest difference is in-app purchases: Second AI Brain at none against Any.do's 11. Second AI Brain also leads on ads (none vs shown) and update cadence (daily vs every 3 weeks). Any.do's advantage is device support (4 vs 2) and iOS requirement (15.0 vs 17.0). On price 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. Any.do sells 9 in-app purchases, starting at $2.99 per month. Second AI Brain asks for nothing beyond the download.

UpkeepUpdate frequency

Any.do ships an update every 3 weeks, Second AI Brain daily. The most recent releases landed on October 25, 2026 and October 7, 2026 respectively.

Scorecard5 real differences · 5 level
Any.do versus Second AI Brain: the parameters behind the verdict, then further details
ParameterAny.doSecond AI Brain
PriceFreeFree
Rating4.6 (51K ratings) — better—
Positive reviews49.7% of reviews—
Number of ratings51K — better—
Update frequencyEvery 3 weeksDaily — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone, iPad
Requires iOS15.0 — better17.0
Further details — not scored
Size333 MB10 MB
Age rating4+4+
DeveloperAny.DO曜郡 刘

Bugs and requests

Any.do

Reported bugs

4 issues
  • Tasks disappearing or changing due dates unexpectedly
  • Calendar not syncing properly across devices
  • Inability to edit or remove shared tasks
  • App freezing or crashing on launch

Requested features

5 requests
  • Ability to move tasks to different dates with ease
  • Option to disable automatic reminders
  • Customizable task views (e.g. checkboxes instead of strikethrough)
  • Improved desktop/web app experience
  • Better integration with other productivity apps and services

Second AI Brain

Not enough reviews yet to summarise bugs or requests.

In-app purchases

9 purchases

Any.do

Subscriptions9
  • Any.do To Do List Pro - Time limited offer$2.991 Month
  • 50% Off Premium Monthly Plan$2.991 Month
  • Premium Monthly Plan - 40% off$3.991 Month
Show 6 more
  • Any.do Premium - Monthly$5.991 Month
  • Any.do Premium - Monthly$9.991 Month
  • 50% Off Premium Yearly Plan$17.991 Year
  • 50% Off Premium Yearly Plan$22.991 Year
  • Any.do To Do List Pro - Time limited offer$26.991 Year
  • Any.do Premium - 12 Months7 Days trial2 variants$59.991 Year
None

Second AI Brain

No in-app purchases

Questions

Is Any.do free?
Any.do is free to download, with in-app purchases available.
Is Second AI Brain free?
Second AI Brain is free to download, with no in-app purchases.
Do Any.do or Second AI Brain have ads?
Any.do shows ads; Second AI Brain does not.
Which is updated more often, Any.do or Second AI Brain?
Any.do ships an update every 3 weeks, and Second AI Brain daily. Most recently, Any.do was updated on October 25, 2026 and Second AI Brain on October 7, 2026.

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