Comparison

Plnnr AI vs SecondBrain

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

Head to head
About

Plnnr AI

This AI-powered app transforms your calendar and to-do list into a dynamic daily plan. It intelligently reorganizes your schedule when unexpected changes occur, ensuring you stay on track without starting from scratch. Plan less and achieve more with adaptive daily scheduling.

Highlights
  • AI-powered daily planning
  • Automatic replanning with changes
  • Calendar and reminder integration
  • Realistic day assessment
  • User-approved plan adjustments
  • Morning and Evening Briefs
Read full description

Plnnr AI turns your calendar and to-do list into a realistic day - then replans it when life changes. Brain dump what you need to do by voice or text. Plnnr organizes the details, plans around the commitments already on your calendar, and shows what actually fits. When a meeting moves, a task runs long, or priorities change, Plnnr suggests a better plan and waits for your approval. Plan less. Follow through more. BUILD A REALISTIC DAY WITH AI Say everything naturally. Plnnr can turn tasks, appointments, errands, routines, and deadlines into a clear daily plan in seconds. REPLAN WITHOUT STARTING OVER Your day changed? Plnnr finds a better fit for the flexible work that was affected, while protecting the commitments that cannot move. FIXED COMMITMENTS. FLEXIBLE TASKS. Keep meetings, appointments, and hard deadlines fixed. Leave the rest flexible until the day truly fits. KNOW WHEN THE DAY IS TOO FULL Plnnr compares the work you planned with the time you actually have, so you can move, shorten, or remove tasks before the day becomes overwhelming. AI SUGGESTS. YOU DECIDE. Preview every proposed change. Approve all, choose only the moves you want, edit the plan yourself, or undo it. Nothing important changes behind your back. KEEP EVERYTHING IN ONE CLEAR DAY - Connect Apple Calendar and Google Calendar - Bring in Apple Reminders and tasks captured with Siri - See scheduled events and flexible to-dos together - Drag tasks into your schedule or move them back to your list - Use persistent alarms and interactive widgets - Start with a Morning Brief and close the day with an Evening Brief - Build routines and habits alongside the rest of your plan BUILT FOR REAL LIFE Plnnr is made for busy professionals, working parents, founders, freelancers, students, and anyone who needs structure without a rigid schedule. WHY PEOPLE STICK WITH PLNNR AI “Simple enough that it never feels overwhelming.” “I can just unschedule it and it goes back in the master to-do list.” - App Store reviews No complicated productivity system. No endless overdue list. No black-box AI rearranging your priorities. Just a realistic day, a fast way to adapt, and control that always stays with you. Download Plnnr AI and make tomorrow feel handled. Terms of Use: https://plnnrapp.com/termsofuse Subscription Required This app requires a subscription to access all content and features. Available Plans: $7.99 per month (no free trial) $29.99 per year (no free trial) $49.99 per year with a 7-day free trial Additional Information: Payment will be charged to your Apple ID account at confirmation of purchase. Subscriptions automatically renew unless canceled at least 24 hours before the end of the current period. You can manage or cancel your subscription in your App Store account settings.

About

SecondBrain

This app automatically transcribes, titles, and files your spoken thoughts, creating a self-organizing note system. It can convert voice notes into calendar events, provide daily summaries, and allow you to chat with your saved information.

Highlights
  • Automatic transcription and titling
  • AI-powered self-organizing notes
  • Voice to calendar event creation
  • Daily morning briefing summaries
  • Chat with your notes for answers
  • 3D brain graph visualization
  • Full-text search
  • Cross-app sharing
Features
Read full description

Most of what you hear, think and plan today is gone by tomorrow. Speak your mind. SecondBrain writes it down, gives it a title, and files it for you. No folders to manage. No typing. Just talk, and your thoughts organize themselves. The AI note app for people who think out loud. WHY SECONDBRAIN • Capture in seconds: speak, type, or share a thought and it is saved instantly • Zero organizing: AI transcribes, titles, and files every note into a self-building folder tree • Voice to schedule: say "dentist Tuesday 4pm" and it creates real events in Calendar and Reminders • Morning briefing: wake up to a daily summary of your day and what matters • Ask your brain: chat with your notes and get answers from everything you have saved • Brain graph: explore your ideas as a living 3D map of connected notes • Search everything: full-text search finds any note in an instant • Share from anywhere: send text, links, images, or audio from any app into SecondBrain • 20+ languages: speak in your language and get replies in your language BUILT FOR BUSY MINDS Founder juggling clients, student capturing lectures, or just someone with too many thoughts to hold? SecondBrain is the frictionless place to put them all. Brain-dump on the go and let the AI do the filing. WORKS WHERE YOU DO Your notes sync to the web at app.secondbrain.icu. Pro users can connect SecondBrain as memory for AI assistants through the MCP connector. SECONDBRAIN PRO Go unlimited: unlimited notes, unlimited AI capture and answers, plus the AI assistant connector. Start with a free trial, then subscribe yearly or monthly. Cancel anytime. Payment is charged to your Apple ID. Subscriptions renew automatically unless canceled at least 24 hours before the end of the current period. Manage or cancel anytime in your App Store account settings. Terms of use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy policy: https://secondbrain.icu/privacy

Screenshots

Plnnr AI4 screens
SecondBrain4 screens

Verdict

The call

The clearest difference is monetization model: SecondBrain at free with in-app purchases against Plnnr AI's subscription. SecondBrain also leads on rating (5.0 vs 4.7) and review sentiment (100% vs 89%). Plnnr AI's advantage is ads (none vs shown) and ratings volume (80 vs 6). On price, update cadence, in-app purchases and device support 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. Plnnr AI sells 10 in-app purchases, starting at $7.99 per month and SecondBrain sells 3 in-app purchases, starting at $8.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

SecondBrain holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Plnnr AI has 80 ratings behind it against 6, so its average is the more settled of the two. Written reviews point the same way: 89% of Plnnr AI's written reviews are positive against 100% of SecondBrain's.

UpkeepUpdate frequency

Plnnr AI ships an update every 5 days, SecondBrain every 3 days. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

Scorecard6 real differences · 4 level
Plnnr AI versus SecondBrain: the parameters behind the verdict, then further details
ParameterPlnnr AISecondBrain
PriceFreeFree
Rating4.7 (80 ratings)5.0 (6 ratings) — better
Positive reviews88.9% of reviews100.0% of reviews — better
Number of ratings80 — better6
Update frequencyEvery 5 daysEvery 3 days — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationSubscriptionFree with in-app purchases — better
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.615.1 — better
Further details — not scored
Size157 MB73 MB
Age rating4+4+
DeveloperCalifornia Air, LLCFederico Cesarini

Customer experience

Plnnr AI

All ratings80 ratings
Positive91.3%
Neutral6.3%
Negative2.5%
Written reviews27 reviews
Positive88.9%
Neutral7.4%
Negative3.7%

SecondBrain

All ratings6 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

10 purchases

Plnnr AI

Subscriptions10
  • Unlimited (1 Month)$7.991 Month
  • Unlimited (1 Year)14 Days trial$24.991 Year
  • Unlimited (1 Year)$24.991 Year
Show 7 more
  • Unlimited (1 Year)$29.991 Year
  • Plnnr AI Yearly1 Year trial$49.991 Year
  • Unlimited (1 Year)1 Month trial$49.991 Year
  • Unlimited 1 Year - 3 Days Trial3 Days trial$49.991 Year
  • Unlimited 1 Year - 7Days Trial7 Days trial$49.991 Year
  • Unlimited (1 Year)3 Days trial$59.991 Year
  • Unlimited (1 Year)1 Month trial$59.991 Year
3 purchases

SecondBrain

Subscriptions3
  • SecondBrain Pro$8.991 Month
  • SecondBrain Pro Yearly3 Days trial$34.991 Year
  • SecondBrain Pro Yearly3 Days trial$44.991 Year

Questions

Is Plnnr AI free?
Plnnr AI is free to download, with in-app purchases available.
Is SecondBrain free?
SecondBrain is free to download, with in-app purchases available.
Which has better reviews, Plnnr AI or SecondBrain?
SecondBrain is rated higher. Plnnr AI averages 4.7 out of 5 from 80 ratings, while SecondBrain averages 5.0 from 6 ratings.
Do Plnnr AI or SecondBrain have ads?
SecondBrain shows ads; Plnnr AI does not.
Which is updated more often, Plnnr AI or SecondBrain?
Plnnr AI ships an update every 5 days, and SecondBrain every 3 days. Most recently, Plnnr AI was updated on October 30, 2026 and SecondBrain on October 31, 2026.

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