SonicTonic vs Mendi App
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SonicTonic
This app uses sound and music, informed by neurophysiology, to improve mental well-being. It helps reduce stress, enhance sleep, and boost concentration without requiring any practice.
- Stress reduction
- Sleep improvement
- Concentration stimulation
- Learning ability enhancement
- Anxiety and phobia treatment
- Uses neurophysiological knowledge
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SonicTonic uses sound and music to calm the mind and positively influence mental health. It was designed using the latest neurophysiological knowledge. As it requires no training or practice, it is easy to use and is very quick and effective. It can be used to help extinguish thoughts, reduce stress, improve sleep, stimulate concentration and increase learning abilities. There are also Tonics that treat a number of other problems such as anxiety, phobias and general psychological problems. SonicTonic influences the listener's state of consciousness by administering finely balanced combinations of medically documented methods such as: Neural training, autosuggestion, ASMR, imagination, autogenic training, breathing exercises, and music. By using the application, you agree to our terms and conditions (https://sonictonic.io/terms-and-conditions/).
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.
Screenshots
Verdict
The clearest difference is in-app purchases: Mendi App at none against SonicTonic's 13. Mendi App also leads on ratings volume (460 vs 11). SonicTonic's advantage is device support (3 vs 1) and iOS requirement (14.0 vs 16.0). On price, rating, review sentiment 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. SonicTonic sells 13 in-app purchases, starting at $2.99 per month. Mendi App asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 4.5 for SonicTonic against 4.4 for Mendi App. That said, the two scores are not equally well evidenced: Mendi App has 460 ratings behind it against 11, so its average is the more settled of the two. Written reviews are what separate them: 71% of SonicTonic's written reviews are positive against 76% of Mendi App's.
SonicTonic ships an update every 2 weeks, Mendi App every 10 days. Both last shipped on October 24, 2026.
| Parameter | SonicTonic | Mendi App |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (11 ratings) — better | 4.4 (460 ratings) |
| Positive reviews | 70.8% of reviews | 76.4% of reviews — better |
| Number of ratings | 11 | 460 — better |
| Update frequency | Every 2 weeks | Every 10 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases — better | Paid |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 14.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 57 MB | 489 MB |
| Age rating | 4+ | 17+ |
| Developer | GROVES Sound Branding GmbH | Mendi Innovations AB |
Customer experience
SonicTonic
Mendi App
Bugs and requests
SonicTonic
Not enough reviews yet to summarise bugs or 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
In-app purchases
SonicTonic
- Monthly subscription$2.991 Month
- Premium (monthly)14 Days trial$3.991 Month
- Monthly Subscription14 Days trial$6.991 Month
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- Yearly Subscription Offer$9.991 Year
- SonicTonic Annual Discount1 Month trial$24.991 Year
- Premium (annually)1 Month trial$34.991 Year
- 10 Credits$0.99
- Single Purchase Category 1$0.99
- Single Purchase Category 2$1.99
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- Single Purchase Category 3$2.99
- 30 Credits$3.99
- 80 Credits$8.99
- Premium (lifetime)$179.99
Mendi App
No in-app purchases









