notesDiary vs Tellself
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
notesDiary
A private digital diary app that functions like a Twitter feed for your thoughts. It features an AI writing assistant for polished entries and offers customization options. Track personal growth with smart analytics and access your entries securely anytime, anywhere.
- Twitter-style private diary entries
- AI writing assistant for revisions
- Lock and encryption for security
- Customizable themes, fonts, and colors
- Intuitive timeline and search
- Smart analytics for personal growth
- Cross-device access
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Introducing Your Personal Twitter-Style Diary App with GPT4! Capture your life's moments effortlessly, just like tweeting your thoughts, but in a private and secure digital diary. Rest assured that your precious memories are safe with our state-of-the-art lock and encryption technology. Your privacy is our top priority. Say goodbye to writer's block! Our advanced AI writing assistant is here to guide you through your writing journey, helping you express yourself eloquently and offering smart revisions to polish your entries to perfection. Customize your diary with themes, fonts, and colors that reflect your unique personality. Make it truly yours! Effortlessly navigate through your past entries with our intuitive timeline and powerful search function. Relive your favorite moments with just a tap. Gain insights into your personal growth and emotional well-being with our smart analytics. Understand yourself better and make positive changes in your life. Access your diary anytime, anywhere. Never miss a chance to record a fleeting thought or a special moment. It's time to prioritize self-care and self-discovery. Download our Twitter-style diary app now and embark on a journey of personal growth and reflection. Your future self will thank you!
Tellself
This app helps you understand and improve yourself by analyzing your daily thoughts and feelings. Speak or type your experiences, and the AI provides personalized insights, charts, and reports to reveal patterns and guide self-discovery.
- AI-driven daily insights
- Voice and text journaling
- Mood and life charts
- Personalized suggestion cards
- 11 in-depth life reports
- Pattern identification
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You've probably wondered what it would look like if developing yourself was actually... easy. Not in the style of "just be positive." More like: talk about your day for two minutes, and discover something genuinely valuable. That's Tellself. Speak or type - the pizza, the bad sleep, the meeting that wrecked your afternoon - and the AI connects what you yourself can't see. Five life charts, daily patterns, suggestion cards grounded in real science, and 11 deep reports across every area of your life. All from just showing up and talking. No forms. No mood scales. No complicated system to maintain. LIFE-CHANGING SUGGESTIONS EVERY DAY Every day, Tellself generates personalised insight cards grounded in science - built from your entries. Perspectives that challenge you, alerts that catch what's slipping, and beliefs that keep you grounded. All tailored to your life, so you can actually improve it. SPEAK IT OR WRITE IT - WHATEVER FEELS RIGHT Some days you want to type. Others you just want to talk. Tellself works both ways — walking you step by step through your day with smart hints and guides, from how you woke up to how it closed, that help you go deeper than you would on your own. YOUR TRENDS, EXPLAINED. Every day, a card that captures your mood - scored across Joy, Stress, Social, Productivity, and Energy - with the exact factors driving each one. Watch your patterns emerge over time, and finally understand what's quietly shaping how you feel. 11 REPORTS THAT CHANGE HOW YOU SEE YOURSELF Deep dives across the areas of life that matter most - Joy, Work, Relationships, Purpose, and more. Each report built from your own entries, revealing patterns and perspectives you'd never find on your own. Our free plan isn't a teaser - it's real. Daily suggestions, mood tracking, charts, and two full reports on Joy and Stress. Most apps call that a premium tier. We call it a starting point. We want you to upgrade because you want more - not because we made the free version worse. Pro unlocks the full depth of Tellself: more recordings, more reports, more of those moments when something finally clicks about yourself. Terms of Use: https://tellself.com/tos Privacy Policy: https://tellself.com/privacy
Screenshots
Verdict
The clearest difference is monetization model: Tellself at freemium against notesDiary's subscription. On price, rating, ratings volume and update cadence 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. notesDiary sells 2 in-app purchases, starting at $6.99 per month and Tellself sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.
On the App Store both sit at effectively the same score — 5.0 for notesDiary against 5.0 for Tellself. Both are backed by a comparable volume of ratings — 2 and 1 respectively.
Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on November 4, 2026 and October 30, 2026 respectively.
| Parameter | notesDiary | Tellself |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) | 5.0 (1 ratings) |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 2 — better | 1 |
| Update frequency | Fortnightly | Fortnightly |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Subscription | Freemium — better |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 13 MB | 149 MB |
| Age rating | 4+ | 17+ |
| Developer | Fox.ai Limited | DevNoobs Lukasz Byjos |
Customer experience
notesDiary
Tellself
In-app purchases
notesDiary
- Monthly subscription$6.991 Month
- 6-Month Subscription$24.996 Months
Tellself
- Tellself Pro$9.991 Month
- Tellself Pro$99.991 Year









