Second Me vs Building a Second Brain
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Second Me
This social network uses AI to handle the initial social legwork, connecting you with people based on deep resonance rather than superficial criteria. Your AI identity learns from you to find meaningful connections, acting as a social concierge to maintain relationships.
- Dynamic AI identity learns from user data
- Connection based on deep personality resonance
- AI handles initial social legwork and small talk
- AI acts as a social concierge for relationship maintenance
- Ensures all identities are tied to real people
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Your expertise could help so many more — but there's only one of you. Your parents miss you. Your kids wait for you. Old friends haven't heard from you in a while. You can't keep up. There's only one of you, but too many people you want to reach. **Create your own AI avatar with Second Me —** with your voice, your face, your expertise, your way of thinking. When you're not there, your avatar is. —— **【Your avatar scales your expertise】** You're a coach, a consultant, a creator — your insights deserve a wider audience. Turn your experience, judgment, and case studies into an avatar. It holds one-on-one conversations for you, 24/7. For the first time, your expertise can serve thousands. **【Your avatar handles your business】** Running a business solo: delivering by day, replying by night, always online and never enough time. Put your avatar on your homepage and social pages — 24/7, it takes inquiries, demos your work, and quotes prices. You don't need to hire. You need an avatar. **【Your avatar breaks the ice】** A hiring manager dropped his avatar's link into a job post. A candidate from an unknown school chatted with it for 19 minutes — and impressed him more than five Ivy League résumés. Not just hiring — sales discovery, dating, consulting, partnerships. Let your avatar talk first. Résumés can lie. Conversations don't. **【Your avatar stays with the people who matter】** Your 70-year-old mom uses AI for recipes — but it doesn't know her. Your avatar checks in: "Mom, how's your leg today?" Your kid wants a bedtime story while you're traveling. Your avatar reads in your voice — your kid can interrupt, ask questions, and say "tell it again." Generic AI is a tool. Your avatar is you. —— Not AI that does your work — but a second you. To reach more people, to be there for the ones who matter, to show up where you can't. **Now, create your avatar with Second Me.** Welcome to the Avatar Internet.
Building a Second Brain
This app helps you manage information overload and achieve your goals through personal knowledge management. Connect with a community focused on productivity and digital organization for a more peaceful and purposeful life.
- PARA Method Mini-Course
- Community Hub
- Exclusive event invitations
- Notetaking and creativity resources
- Gateway to comprehensive courses
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Building a Second Brain is your learning community to help you transform information overload into clarity and consistent progress toward your most important goals. Here, you’ll connect with individuals who thoughtfully turn productivity, personal knowledge management, and digital organization into tools for living a more peaceful, purposeful, and fulfilling life. WHAT’S INSIDE: PARA Method Mini-Course: Learn the simple, intuitive system to tame your digital chaos and find any information right when you need it. Community Hub: Get exclusive event invitations, updates, and content—including videos and resources focused on all things notetaking, creativity, and working more intentionally. Gateway to Learning: The app is your entry point into our comprehensive courses and broader community of like-minded learners. When you master the flow of information through your life, you can accomplish anything you set your mind to. But if you continue to rely on your fragile biological brain, you’ll likely become ever more overwhelmed by the explosive growth in the complexity of your life. Download the app and start building your Second Brain today.
Screenshots
Verdict
Second Me and Building a Second Brain both sit at 4.6 stars, but that hides the real split: 90% of Second Me's written reviews are positive against 50% of Building a Second Brain's. Second Me also leads on update cadence (every 9 days vs every 4 months) and ratings volume (152 vs 12). Building a Second Brain's advantage is in-app purchases (none vs 10). On price, rating, 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
Both are free to download. Second Me sells 10 in-app purchases, starting at $0.99 per month. Building a Second Brain asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 4.6 for Second Me against 4.7 for Building a Second Brain. That said, the two scores are not equally well evidenced: Second Me has 152 ratings behind it against 12, so its average is the more settled of the two. Written reviews are what separate them: 90% of Second Me's written reviews are positive against 50% of Building a Second Brain's.
Second Me ships an update every 9 days, Building a Second Brain every 4 months. The most recent releases landed on October 1, 2026 and September 28, 2026 respectively.
| Parameter | Second Me | Building a Second Brain |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (152 ratings) | 4.7 (12 ratings) — better |
| Positive reviews | 89.6% of reviews — better | 50.0% of reviews |
| Number of ratings | 152 — better | 12 |
| Update frequency | Every 9 days — better | Every 4 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.5 — better | 16.4 |
| Further details — not scored | ||
| Size | 130 MB | 90 MB |
| Age rating | 4+ | 17+ |
| Developer | Mindverse AI | Forte Labs, LLC |
Customer experience
Second Me
Building a Second Brain
Bugs and requests
Second Me
Reported bugs
3 issues- Audio recording issues
- Syncing problems between devices
- Inconsistent performance on different platforms
Requested features
5 requests- iPad version
- More customization options
- Improved integration with other apps
- Enhanced voice recording and transcription
- Ability to turn off specific notifications
Building a Second Brain
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Second Me
- Pro$0.991 Month
- Plus$0.991 Month
- Pro (Monthly)$10.001 Month
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- Pro (Monthly)$20.001 Month
- Max (Monthly)$43.001 Month
- Pro (Annually)$100.001 Year
- Pro (Annually)$200.001 Year
- Max (Annually)$439.001 Year
- 1,000 Diamonds$22.99
- 10,000 Diamonds$229.99
Building a Second Brain
No in-app purchases





