Comparison

Mendi App vs OPUS Connect

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

Head to head
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.

About

OPUS Connect

This app offers personalized sound and vibration experiences for relaxation and emotional well-being. Explore a library of immersive soundscapes and customize sessions for a multi-sensory journey to inner peace. Enjoy portable serenity and an ever-evolving collection of transformative content.

Highlights
  • Personalized sound and vibration sessions
  • Extensive library of immersive soundscapes
  • Multi-sensory experience with SoundBed
  • Customizable session controls
  • Portable serenity on the go
  • Continuously evolving content library
Features
Read full description

From the pioneers of immersive sound experiences, OPUS is proud to introduce OPUS Connect - a symphony of wellness at your fingertips. Dive into a world where sound and vibration* harmonize to create an unparalleled journey of inner peace towards total emotional well being. FEATURES PERSONALIZED SESSIONS - Whether seeking relaxation, inspiration, or physical comfort, OPUS Connect empowers users to embark on a journey of holistic well-being anytime, anywhere - Choose from an extensive library of immersive soundscapes designed to elevate your wellness journey SOUNDBED EXPERIENCE - Utilized with SoundBed, OPUS Connect pairs sound and vibration for a multi-sensory immersive experience - Tailored to enhance your emotional and physical harmony, our app allows you to explore, control, and customize your sessions with precision CUSTOM CONTROLS - Seamlessly adjust frequencies, sound levels, and vibrations on SoundBed* to craft your unique experience - With OPUS Connect, you become the conductor of your wellness journey PORTABLE SERENITY:  - Whether at home or on the go, bring the essence of OPUS with you - OPUS Connect ensures your connection to tranquility is always just a tap away EVOLVING LIBRARY - OPUS Connect continually enriches its session offerings, with new releases added every Friday, ensuring users have access to a continually evolving library of transformative experiences Your symphony awaits, download OPUS Connect today and start your journey to inner harmony. The power of sound and vibration* is at your fingertips - turn up the volume on relaxation and well being, and discover the unique rhythm that resonates with you. *Accessing OPUS Connect requires no additional equipment, though experiencing the multi-sensory experience of sound and vibration is uniquely possible through our patent-pending product, SoundBed. Privacy Policy: https://feelopus.com/pages/privacy-policy

Screenshots

Mendi App4 screens
OPUS Connect4 screens

Verdict

The call

The clearest difference is rating: Mendi App at 4.4 against OPUS Connect's 3.8. Mendi App also leads on update cadence (every 10 days vs every 15 months) and review sentiment (76% vs 53%). OPUS Connect's advantage is monetization model (free vs paid). On price, ads, in-app purchases and device support 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Mendi App holds the better App Store score, 4.4 against 3.8. That said, the two scores are not equally well evidenced: Mendi App has 460 ratings behind it against 24, so its average is the more settled of the two. Written reviews point the same way: 76% of Mendi App's written reviews are positive against 53% of OPUS Connect's.

UpkeepUpdate frequency

Mendi App ships an update every 10 days, OPUS Connect every 15 months. Both last shipped on November 3, 2026.

Scorecard5 real differences · 5 level
Mendi App versus OPUS Connect: the parameters behind the verdict, then further details
ParameterMendi AppOPUS Connect
PriceFreeFree
Rating4.4 (460 ratings) — better3.8 (24 ratings)
Positive reviews76.4% of reviews — better53.3% of reviews
Number of ratings460 — better24
Update frequencyEvery 10 days — betterEvery 15 months
AdsNoNo
In-app purchasesNoNo
MonetizationPaidFree — better
DevicesiPhoneiPhone, iPod — better
Requires iOS16.015.5 — better
Further details — not scored
Size489 MB123 MB
Age rating17+4+
DeveloperMendi Innovations ABOpus Immersive, Inc.

Customer experience

Mendi App

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

OPUS Connect

All ratings24 ratings
Positive70.8%
Neutral0.0%
Negative29.2%
Written reviews15 reviews
Positive53.3%
Neutral0.0%
Negative46.7%

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

OPUS Connect

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Mendi App

No in-app purchases

None

OPUS Connect

No in-app purchases

Questions

Is Mendi App free?
Mendi App is free to download, with no in-app purchases.
Is OPUS Connect free?
OPUS Connect is free to download, with no in-app purchases.
Which has better reviews, Mendi App or OPUS Connect?
Mendi App is rated higher. Mendi App averages 4.4 out of 5 from 460 ratings, while OPUS Connect averages 3.8 from 24 ratings.
Do Mendi App or OPUS Connect have ads?
Neither Mendi App nor OPUS Connect shows ads.
Which is updated more often, Mendi App or OPUS Connect?
Mendi App ships an update every 10 days, and OPUS Connect every 15 months. Most recently, Mendi App was updated on November 3, 2026 and OPUS Connect on November 3, 2026.

Other comparisons