Comparison

SonicTonic vs Mendi App

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Stress reduction
  • Sleep improvement
  • Concentration stimulation
  • Learning ability enhancement
  • Anxiety and phobia treatment
  • Uses neurophysiological knowledge
Features
Read full description

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/).

About

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.

Highlights
  • Advanced neurofeedback technology
  • Real-time brain activity insights
  • Scientifically-validated cognitive training
  • Boosts neuroplasticity
  • Comfortable and lightweight headband
  • Bluetooth connectivity
Features
Read full description

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

SonicTonic4 screens
Mendi App4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

SonicTonic ships an update every 2 weeks, Mendi App every 10 days. Both last shipped on October 24, 2026.

Scorecard5 real differences · 5 level
SonicTonic versus Mendi App: the parameters behind the verdict, then further details
ParameterSonicTonicMendi App
PriceFreeFree
Rating4.5 (11 ratings) — better4.4 (460 ratings)
Positive reviews70.8% of reviews76.4% of reviews — better
Number of ratings11460 — better
Update frequencyEvery 2 weeksEvery 10 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases — betterPaid
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS14.0 — better16.0
Further details — not scored
Size57 MB489 MB
Age rating4+17+
DeveloperGROVES Sound Branding GmbHMendi Innovations AB

Customer experience

SonicTonic

All ratings11 ratings
Positive90.9%
Neutral0.0%
Negative9.1%
Written reviews24 reviews
Positive70.8%
Neutral8.3%
Negative20.8%

Mendi App

All ratings454 ratings
Positive85.0%
Neutral4.0%
Negative11.0%
Written reviews254 reviews
Positive76.4%
Neutral6.3%
Negative17.3%

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

13 purchases

SonicTonic

Subscriptions6
  • Monthly subscription$2.991 Month
  • Premium (monthly)14 Days trial$3.991 Month
  • Monthly Subscription14 Days trial$6.991 Month
Show 3 more
  • Yearly Subscription Offer$9.991 Year
  • SonicTonic Annual Discount1 Month trial$24.991 Year
  • Premium (annually)1 Month trial$34.991 Year
One-time7
  • 10 Credits$0.99
  • Single Purchase Category 1$0.99
  • Single Purchase Category 2$1.99
Show 4 more
  • Single Purchase Category 3$2.99
  • 30 Credits$3.99
  • 80 Credits$8.99
  • Premium (lifetime)$179.99
None

Mendi App

No in-app purchases

Questions

Is SonicTonic free?
SonicTonic is free to download, with in-app purchases available.
Is Mendi App free?
Mendi App is free to download, with no in-app purchases.
Which has better reviews, SonicTonic or Mendi App?
SonicTonic is rated higher. SonicTonic averages 4.5 out of 5 from 11 ratings, while Mendi App averages 4.4 from 460 ratings.
Do SonicTonic or Mendi App have ads?
Neither SonicTonic nor Mendi App shows ads.
Which is updated more often, SonicTonic or Mendi App?
SonicTonic ships an update every 2 weeks, and Mendi App every 10 days. Most recently, SonicTonic was updated on October 24, 2026 and Mendi App on October 24, 2026.

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