Mendi App vs Sonal
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Mendi App
This app uses a connected headband with advanced neurofeedback technology to monitor brain activity. It provides scientifically-validated cognitive training designed to improve focus, memory, and emotional balance through personalized exercises.
- Advanced neurofeedback technology
- Real-time brain activity insights
- Scientifically-validated cognitive training
- Boosts neuroplasticity
- Comfortable and lightweight headband
- Bluetooth connectivity
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Unlock Your Brain’s Full Potential with Mendi Elevate your cognitive wellness and transform your daily mental routine with Mendi, the brain training solution that harnesses advanced neurofeedback technology to help you thrive. Experience Cutting-Edge Brain Training Mendi pairs a sophisticated app with a sleek, lightweight headband to deliver scientifically-validated cognitive training. Utilizing state-of-the-art Functional Near-Infrared Spectroscopy (fNIRS), our system monitors changes in oxygenated blood flow to your prefrontal cortex, the brain’s powerhouse for focus, memory, emotional balance, and decision-making. With every session, gain clear, real-time insights into your brain’s performance and push your mental fitness to new heights. How It Works — Advanced Neurofeedback: Sensors on the Mendi headband track your brain’s activity, delivering precise and actionable feedback through proprietary algorithms. — Brain Training: Think of each session as an exercise for your mind, designed to boos neuroplasticity and strengthen your cognitive capabilities. — Safe & Scientifically-Backed: Our training protocol is not only effective but also grounded in rigorous scientific research, ensuring a safe and lasting benefit for your brain health. Consistency is Key Achieve measurable improvements by integrating Mendi into your routine. For optimal results, commit to daily training for six to eight weeks and experience a noticeable boost in mental clarity and focus. Meet the Mendi Headband — Effortless Connectivity: Enjoy quick, reliable connections with Bluetooth Low Energy (BLE). — Innovative fNIRS Technology: Experience neurofeedback engineered to revolutionize brain training. — Designed for Comfort: Weighing just 55g, the headband is both lightweight and comfortable for extended sessions. — Smart Features: Equipped with a built-in accelerometer and gyroscope, USB Type-C charging, and up to 60 sessions per charge, Mendi is built to keep up with your busy lifestyle. Invest in a Healthier, Sharper Mind With Mendi, taking charge of your brain health has never been more accessible or engaging. Join countless others on the journey to enhanced focus, improved emotional regulation, and better decision-making. Start your brain training revolution today and unlock the potential of a sharper, more resilient mind. Elevate your brain fitness, download Mendi now and experience the future of cognitive enhancement.
Sonal
This application connects to a specialized device to administer brain optimization sessions. It allows users to manage their profile, set session parameters, and monitor progress. The app facilitates the transfer of session data to the connected device.
- Connect to Sonal Device
- Administer brain optimization sessions
- Access Braincare profile
- Transfer session parameters
- Monitor session progress
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The Braincare app allows you to connect to Wave Neuroscience's Sonal Device to administer Sonal sessions for brain optimization. Current features include access to your Braincare profile and Sonal session parameters, transfer of Sonal session parameters to Sonal Device and monitor session progress.
Screenshots
Verdict
The clearest difference is rating: Sonal at 5.0 against Mendi App's 4.4. Sonal also leads on monetization model (free vs paid) and device support (3 vs 1). Mendi App's advantage is ratings volume (460 vs 7) and update cadence (every 10 days vs every 3 weeks). On price, 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. Neither carries in-app purchases, so what you see is what you pay.
Sonal holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: Mendi App has 460 ratings behind it against 7, so its average is the more settled of the two.
Mendi App ships an update every 10 days, Sonal every 3 weeks. The most recent releases landed on October 24, 2026 and October 30, 2026 respectively.
| Parameter | Mendi App | Sonal |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (460 ratings) | 5.0 (7 ratings) — better |
| Positive reviews | 76.4% of reviews | — |
| Number of ratings | 460 — better | 7 |
| Update frequency | Every 10 days — better | Every 3 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 16.0 | 14.0 — better |
| Further details — not scored | ||
| Size | 489 MB | 34 MB |
| Age rating | 17+ | 17+ |
| Developer | Mendi Innovations AB | Wave Neuroscience, Inc |
Customer experience
Mendi App
Sonal
Bugs and requests
Mendi App
Reported bugs
4 issues- App freezing and crashing
- Headband sensor issues
- Inconsistent score/progress tracking
- Orientation and display problems
Requested features
5 requests- More game/training variety
- Advanced data tracking and analytics
- iPad/tablet support
- Customization options for visuals and audio
- Integration with other health/fitness apps
Sonal
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Mendi App
No in-app purchases
Sonal
No in-app purchases
