# Avant LASIK Spa vs Brainbit App

The clearest difference is update cadence: Brainbit App at every 3 weeks against Avant LASIK Spa's every 4 months. Brainbit App also leads on iOS requirement (11.0 vs 15.1). 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.

Avant LASIK Spa ships an update every 4 months, Brainbit App every 3 weeks. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Avant LASIK Spa | Brainbit App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.7 (3 ratings)](https://appshunter.io/ios/app/brainbit-app/id1510548623/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Monetization | — | Free |
| Size | 24 MB | 65 MB |
| Requires iOS | 15.1 | **11.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Avant Lasik Spa](https://appshunter.io/developer/1473131683) | [BRAINBIT INC.](https://appshunter.io/developer/1510548622) |

## What reviewers say

### Avant LASIK Spa

[App page](https://appshunter.io/ios/app/avant-lasik-spa/id1473131684)

**Features:** macOS Compatibility

**In-app purchases:** none


### Brainbit App

[App page](https://appshunter.io/ios/app/brainbit-app/id1510548623)

This app visualizes your brainwave activity in real-time, helping you enhance meditation, train focus, and monitor sleep. It requires a compatible headband device for full functionality.

**Highlights:** Real-time EEG brainwave data, Monitor functional states (relaxation, concentration), Enhance meditation practice, Analyze sleep stages and quality, Medical quality EEG, Professional grade spectrogram

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Avant LASIK Spa free?

Avant LASIK Spa is free to download, with no in-app purchases.

### Is Brainbit App free?

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

### Do Avant LASIK Spa or Brainbit App have ads?

Neither Avant LASIK Spa nor Brainbit App shows ads.

### Which is updated more often, Avant LASIK Spa or Brainbit App?

Avant LASIK Spa ships an update every 4 months, and Brainbit App every 3 weeks. Most recently, Avant LASIK Spa was updated on October 25, 2026 and Brainbit App on October 24, 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.*