# Sy - Brainwave Entrainment

> Sy - Brainwave Entrainment (iPhone/iPad app by Jody Connor.)

- Source: https://appshunter.io/ios/app/sy-brainwave-entrainment/id6744987988 (this page in markdown: same URL + `.md`)
- Developer: [Jody Connor](https://appshunter.io/developer/1810323541)
- Category: Entertainment, Medical
- Price: Free (on sale, was $1.99)
- Age rating: 17+
- Requires: iOS 18.4 · 2 MB
- Languages: American English
- Released: 2025-04-24
- Data updated: 2026-06-10
- User reviews in markdown: https://appshunter.io/ios/app/sy-brainwave-entrainment/id6744987988/reviews.md

## What is Sy?

Sy: Brainwave Entrainment

Sy is a powerful brainwave entrainment application that uses precisely calibrated light and sound patterns to help guide your brain into specific frequency states. Whether you're seeking deep relaxation, improved focus, enhanced creativity, or meditative states, Sy offers a customizable experience to help you achieve your desired mental state.

Key Features:

Five brainwave frequency presets: Delta (deep sleep), Theta (meditation), Alpha (relaxation), Beta (focus), and Gamma (cognitive enhancement)

Adjustable frequency control from 1-50 Hz for personalized sessions

Binaural beats and isochronic tones for audio entrainment

Optional synchronized flashlight for light entrainment

Unique 60 BPM heartbeat mode for stress reduction

Apple Music integration to play your own music during sessions

Customizable session lengths from 5-30 minutes

Clean, intuitive interface with detailed instructions

Sy combines ancient meditation techniques with modern neuroscience to create a tool that can help with relaxation, stress management, focus, creativity, and mental performance.
Note: Not recommended for individuals with epilepsy, seizure disorders, or photosensitivity. Please consult a healthcare professional before use.


## Version history (last 2 releases)

### 1.1 — 2025-05-19

Updated the User Interface.  Updated Legal.

### 1.0 — 2025-04-24

No release notes.

## More apps by Jody Connor

- [Oracle by Sy](https://appshunter.io/ios/app/oracle-by-sy/id6745035488)
- [Zenith Weight Wellness](https://appshunter.io/ios/app/zenith-weight-wellness/id6745195605)
- [RealCalc Real Estate](https://appshunter.io/ios/app/realcalc-real-estate/id6745358072)
- [Metro - Metronome](https://appshunter.io/ios/app/metro-metronome/id6745987896)
- [PayIt - Bill Reminder](https://appshunter.io/ios/app/payit-bill-reminder/id6746172262)

All apps by Jody Connor: https://appshunter.io/developer/1810323541

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-10.*