# Mendi App vs OPUS Connect

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.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

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.

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

## The numbers

| Metric | Mendi App | OPUS Connect |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (460 ratings)](https://appshunter.io/ios/app/mendi-app/id1548944912/reviews)** | [3.8 (24 ratings)](https://appshunter.io/ios/app/opus-connect/id1661617364/reviews) |
| Number of ratings | **460** | 24 |
| Positive reviews | **76.4% of reviews** | 53.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 15 months |
| Monetization | Paid | **Free** |
| Size | 489 MB | 123 MB |
| Requires iOS | 16.0 | **15.5** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Mendi Innovations AB](https://appshunter.io/developer/1463276456) | [Opus Immersive, Inc.](https://appshunter.io/developer/1638758805) |

## What reviewers say

### Mendi App

[App page](https://appshunter.io/ios/app/mendi-app/id1548944912)

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:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Easy to use
- 👍 Helpful for focus and mental health
- 🧠 Improves brain function
- 💤 Helps with sleep and relaxation
- 🤝 Positive impact on daily life

**What reviewers complain about**

- 🐛 App crashes and glitches
- 🔌 Connectivity issues with headband
- 📊 Lack of data/progress tracking
- 🕹️ Limited game/training options
- 🤒 Caused negative side effects for some users

**Reported bugs**

- App freezing and crashing
- Headband sensor issues
- Inconsistent score/progress tracking
- Orientation and display problems

**Requested features**

- 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

[App page](https://appshunter.io/ios/app/opus-connect/id1661617364)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked 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.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*