# BrainLink vs AR2VR (Cardboard)

The clearest difference is update cadence: AR2VR (Cardboard) at every 3 weeks against BrainLink's every 3 months. BrainLink's advantage is review sentiment (50% vs 40%) and iOS requirement (8.0 vs 11.0). On price, ads, in-app purchases and monetization model there is nothing between them.

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

BrainLink ships an update every 3 months, AR2VR (Cardboard) every 3 weeks. The most recent releases landed on October 16, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | BrainLink | AR2VR (Cardboard) |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (4 ratings)](https://appshunter.io/ios/app/brainlink/id593369516/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | **50.0% of reviews** | 40.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 143 MB | 471 MB |
| Requires iOS | **8.0** | 11.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Macrotellect Limited](https://appshunter.io/developer/593369519) | [PaoTe Tsai](https://appshunter.io/developer/1252991575) |

## What reviewers say

### BrainLink

[App page](https://appshunter.io/ios/app/brainlink/id593369516)

This app guides you through using a wearable headband that senses brainwaves to help you achieve mental fitness goals. It teaches you how to connect, install, wear, and use the device for improved focus, control, and stress reduction.

**Highlights:** Brainwave-sensing technology, Mental fitness goal tracking, Device connection and installation guide, Wearable device usage instructions, Focus and stress reduction training, Interactive mental exercises

**Features:** macOS Compatibility

**In-app purchases:** none


### AR2VR (Cardboard)

[App page](https://appshunter.io/ios/app/ar2vr-cardboard/id1252991576)

Explore immersive VR worlds by simply aiming at a photo. This app enhances education with engaging treasure hunt lessons and facilitates VR product presentations for businesses. It supports offline use and collaborative learning experiences.

**Highlights:** Photo-to-VR world exploration, Immersive educational treasure hunts, VR product presentation tool, Offline guided tour packages, Collaborative learning tasks, Interactive VR course creation

**In-app purchases:** none


## Frequently asked questions

### Is BrainLink free?

BrainLink is free to download, with no in-app purchases.

### Is AR2VR (Cardboard) free?

AR2VR (Cardboard) is free to download, with no in-app purchases.

### Do BrainLink or AR2VR (Cardboard) have ads?

Neither BrainLink nor AR2VR (Cardboard) shows ads.

### Which is updated more often, BrainLink or AR2VR (Cardboard)?

BrainLink ships an update every 3 months, and AR2VR (Cardboard) every 3 weeks. Most recently, BrainLink was updated on October 16, 2026 and AR2VR (Cardboard) on October 7, 2026.

---

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