Self vs Persona Peek
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Self
This app helps you conduct self-experiments to understand the impact of behavioral changes on your health, wellness, and productivity. It provides tools to set up trials, track outcomes, and gain personalized insights through automated analysis and daily reminders.
- Conduct self-experiments
- Track behavioral outcomes
- Gain personalized insights
- Automated statistical analysis
- Daily check-in reminders
- Data-driven self-improvement
Read full descriptionHide full description
Self-experimentation is the process of conducting trials where you are both the researcher and the subject. Through modifying your behaviors and reporting outcomes, you can gain concrete insights into the efficacy of whatever self-improvement you seek to make. Self-experimentation is a data-driven way to gain ultra-personal insights into the driving factors behind your health, wellness, and productivity. Through Self-E, you can set up experiments, view your data, and attain individualized insights through automated statistical analysis. Self-E sends daily reminders to check in so that your experiment stays consistent and structured.
Persona Peek
Explore your inner self with detailed personality quizzes based on established psychological theories. Gain insights into your strengths, weaknesses, and motivations to foster personal and professional growth.
- 16 personalities psychological tests
- Enneagram personality quiz
- In-depth character analysis
- Personalized results
- Practical advice for frustrations
- Strategies for strengths and weaknesses
Read full descriptionHide full description
Unlock the secrets of your personality with Persona Peek, the ultimate app for self-discovery. Our sophisticated personality quiz is based on the classic 16 personalities psychological tests developed by Katharine Cook Briggs, Isabel Briggs Myers, and the theories of Carl Jung. With Persona Peek, you can delve deep into your character to identify common frustrations and discover practical solutions. Understand your strengths and weaknesses with detailed analyses tailored to your personality type. Learn how to fully unlock your potential and enhance your personal and professional life. Persona Peek also features an Enneagram personality quiz, providing you with an additional layer of insight into your behavior and motivations. Our app offers: - In-depth quizzes based on scientifically-backed theories - Personalized results that highlight your unique traits - Practical advice to overcome common frustrations - Strategies to harness your strengths and mitigate weaknesses - Insights from both the 16 personalities and Enneagram tests Join thousands of users on the path to self-awareness and growth. Start your journey today with Persona Peek and discover a better version of yourself! Download Persona Peek now and take the first step towards a deeper understanding of who you are!
Screenshots
Verdict
The clearest difference is rating: Self at 5.0 against Persona Peek's 1.0. Self also leads on ads (none vs shown) and monetization model (free vs ad-supported). Persona Peek's advantage is update cadence (every 3 weeks vs every 6 weeks). On price, ratings volume, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Self holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively.
Self ships an update every 6 weeks, Persona Peek every 3 weeks. The most recent releases landed on September 24, 2026 and October 12, 2026 respectively.
| Parameter | Self | Persona Peek |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | 1.0 (1 ratings) |
| Number of ratings | 2 — better | 1 |
| Update frequency | Every 6 weeks | Every 3 weeks — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free — better | Ad-supported |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 14.5 | 13.0 — better |
| Further details — not scored | ||
| Size | 19 MB | 27 MB |
| Age rating | 4+ | 17+ |
| Developer | Brown University Computing & Information Services | Khanh Trinh Le Ba |
Customer experience
Self
Persona Peek
In-app purchases
Self
No in-app purchases
Persona Peek
No in-app purchases








