NeuralJoy vs notesDiary
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
NeuralJoy
This app uses binaural music and dynamic haptics to create a multi-sensory experience aimed at reducing stress and improving cognitive function. It features original soundtracks designed to harmonize brain waves and restore emotional balance.
- Binaural music soundtracks
- Dynamic haptic feedback
- Stress reduction
- Cognitive function enhancement
- Harmonizes brain waves
- Improves emotional balance
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NeuralJoy delivers a breathtaking multi-sensory experience by making the iPhone resonate like a musical instrument to help reduce stress. Developed with emerging research in neuroscience, this groundbreaking app uses binaural music and dynamic haptics to harmonize brain waves and enhance cognitive function. Featuring 18 original binaural soundtracks, NeuralJoy creates an immersive experience that can help restore your emotional balance. Our breakthrough technology enables the iPhone to generate precision vibrotactile stimulation at gamma frequencies of 30 to 150 Hz – synchronizing the rhythmic symphony of brain waves that orchestrates your thoughts, emotions and sleep patterns. NeuralJoy is free to download and use – with no registration required. Try it today and start improving your well-being.
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!
Screenshots
Verdict
The clearest difference is rating: notesDiary at 5.0 against NeuralJoy's 4.0. notesDiary also leads on review sentiment (100% vs 71%). NeuralJoy's advantage is monetization model (free with in-app purchases vs subscription) and ratings volume (8 vs 2). On price, update cadence, ads and in-app purchases 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. NeuralJoy sells 1 one-off in-app purchase and notesDiary sells 2 in-app purchases, starting at $6.99 per month. Whichever you choose, the download price is not the number that matters.
notesDiary holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 8 and 2 respectively. Written reviews point the same way: 71% of NeuralJoy's written reviews are positive against 100% of notesDiary's.
NeuralJoy ships an update every 10 days, notesDiary fortnightly. The most recent releases landed on September 15, 2026 and September 13, 2026 respectively.
| Parameter | NeuralJoy | notesDiary |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (8 ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 71.4% of reviews | 100.0% of reviews — better |
| Number of ratings | 8 — better | 2 |
| Update frequency | Every 10 days — better | Fortnightly |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases — better | Subscription |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 14.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 373 MB | 13 MB |
| Age rating | 4+ | 4+ |
| Developer | MetroGroup, LLC | Fox.ai Limited |
Customer experience
NeuralJoy
notesDiary
In-app purchases
NeuralJoy
- NeuralJoyFree
notesDiary
- Monthly subscription$6.991 Month
- 6-Month Subscription$24.996 Months
Questions
Is NeuralJoy free?
Is notesDiary free?
Which has better reviews, NeuralJoy or notesDiary?
Do NeuralJoy or notesDiary have ads?
Which is updated more often, NeuralJoy or notesDiary?
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