Comparison

BrainBox vs Postmortem

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

Head to head
About

BrainBox

This AI-powered chatbot enhances productivity for professionals and students by streamlining tasks and offering smart prompts. It leverages advanced AI technology to help users save time and achieve better results in their work and studies. The app provides an affordable and accessible way to boost efficiency with regular prompt updates.

Highlights
  • Boost efficiency with AI
  • Smart prompting and guidance
  • Increased productivity and organization
  • Tailored for professionals and students
  • Affordable pricing structure
  • Regular prompt library updates
Read full description

BrainBox AI Chat harnesses the powerful capabilities of GPT-4o text model, an advanced AI technology, to revolutionize your productivity and streamline your daily tasks. Tailored for office workers, copywriters, marketing specialists, students, and developers, BrainBox AI Chat combines the intelligence of GPT with a user-friendly interface to save you valuable time and effort. Key Features: 1. Boost Efficiency: Experience a new level of productivity as BrainBox AI Chat, powered by GPT-4o, helps you accomplish tasks faster and with greater precision. Say goodbye to time-consuming manual processes and welcome a streamlined workflow. 2. Smart Prompting: Let BrainBox AI Chat, backed by GPT-4o technology, guide you with its built-in prompts that offer invaluable suggestions and guidance tailored to your specific needs. From generating innovative ideas to enhancing code quality, BrainBox AI Chat empowers you to achieve exceptional results. 3. Increased Productivity: Stay on top of your game with BrainBox AI Chat by your side. Seamlessly manage your to-do lists, organize projects, and stay focused on what matters most. Watch your productivity soar to new heights with the assistance of BrainBox. 4. Tailored for Professionals: Designed for office workers, copywriters, marketing specialists, students, and developers, BrainBox AI Chat understands the unique demands of your profession. It provides targeted features that elevate your expertise and leverage the intelligence for optimal results. 5. Affordable and Accessible: We believe that productivity should be within reach for everyone. BrainBox AI Chat offers an affordable pricing structure, ensuring that you can harness the power of GPT-4o without breaking the bank. It's an investment in your success. 6. Regular Prompt Updates: BrainBox AI Chat, powered by GPT-4o, evolves with you. We continuously update and expand our library of prompts, keeping you at the forefront of productivity. Benefit from our growing collection, tailored to your professional needs. Unleash the potential of BrainBox AI Chatbot. Download now and unlock the power of AI to streamline your work, save time, and achieve your goals effortlessly. Note: BrainBox AI Chatbot requires an active internet connection for optimal performance. Note: Do not enter personal information. May generate offensive or dangerous content. Terms of service & privacy policy: https://www.rozumind.com/terms-and-conditions https://www.rozumind.com/privacy-policy

About

Postmortem

Features
Read full description

PostMortem – Your Digital Legacy Companion Keep the important stuff safe, organized, and delivered when it matters. PostMortem lets you store messages, passwords, contacts, debts, and files, then securely release them to trusted recipients after a period of inactivity. What it does - Secure “message boxes” for your wishes, instructions, passwords, debts, and documents. - Time-locked delivery: set an inactivity window; if you don’t check in, your boxes release. - Recipient portal: loved ones get a clean, guided view of everything they need. - Attach files: upload photos, PDFs, and more; recipients can view or download. - One-tap PDF export: generate a polished summary of a box to share or archive. - “I’m alive” check-in: send heartbeats to keep boxes locked until you’re ready. - Contact book: manage who receives what, with multiple recipients per box. - Works offline-friendly: view and organize even with spotty connectivity; sends when back online. How it works 1. Create a box for a person or scenario (estate plan, account list, instructions). 2. Add text notes, login credentials, debts/obligations, and file attachments. 3. Set the inactivity timer that should trigger release. 4. Invite recipients—only they can access their assigned boxes after release. 5. Periodically check in with “I’m alive” to keep things locked; if you stop, PostMortem delivers. Security you can trust - End-to-end mindset: data is encrypted before it’s sent and decrypted only for recipients. - No shared passwords: each box uses keys you control. - Privacy by default: nothing is sold or shared; you decide who sees what and when. Great for - Estate planning and last wishes - Household logins and subscriptions - Financial obligations (who owes what, due dates, contacts) - Family instructions, medical notes, insurance details - Secure document handoff (IDs, policies, deeds, checklists) Why you’ll love it - Clear, modern design that keeps complex info tidy. - Rich attachments and PDF exports for a complete record. - Peace of mind: your people get exactly what they need, precisely when they need it. Get organized today so your loved ones aren’t left guessing tomorrow. Install PostMortem and set up your first box in minutes.

Screenshots

BrainBox4 screens
Postmortem4 screens

Verdict

The call

The clearest difference is in-app purchases: Postmortem at none against BrainBox's 5. On price, update cadence, ads 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. BrainBox sells 5 in-app purchases, starting at $4.99 per 7 days. Postmortem asks for nothing beyond the download.

UpkeepUpdate frequency

BrainBox ships an update weekly, Postmortem every 9 days. The most recent releases landed on October 20, 2026 and October 21, 2026 respectively.

Scorecard1 real difference · 9 level
BrainBox versus Postmortem: the parameters behind the verdict, then further details
ParameterBrainBoxPostmortem
PriceFreeFree
Rating4.6 (10 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings10 — better—
Update frequencyWeekly — betterEvery 9 days
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPod
Requires iOS16.015.6 — better
Further details — not scored
Size16 MB34 MB
Age rating12+4+
DeveloperAliaksei MikhailouskiAxiom Technologies LTD

In-app purchases

5 purchases

BrainBox

Subscriptions5
  • Unlimited Weekly$4.997 Days
  • Weekly Unlimited (1 Week)7 Days trial$6.997 Days
  • Monthly Unlimited (1 Month)1 Month trial$14.991 Month
Show 2 more
  • Unlimited Yearly$34.991 Year
  • Yearly Unlimited (1 Year)$69.991 Year
None

Postmortem

No in-app purchases

Questions

Is BrainBox free?
BrainBox is free to download, with in-app purchases available.
Is Postmortem free?
Postmortem is free to download, with no in-app purchases.
Do BrainBox or Postmortem have ads?
Neither BrainBox nor Postmortem shows ads.
Which is updated more often, BrainBox or Postmortem?
BrainBox ships an update weekly, and Postmortem every 9 days. Most recently, BrainBox was updated on October 20, 2026 and Postmortem on October 21, 2026.

Other comparisons