Hemi-Sync® Flow

Your Gateway to Exploration: All in One App

Interstate Industries, Inc. d/b/a Hemi-Sync® · com.hemisync.hemisyncflow

Not rated yet 50K+ downloads v2.1.80 91.1 MB Android 9+ PEGI 3 · Everyone

Download APK 91.1 MB All versions

Signature matches the Google Play version Details

At a glance

Latest version: v2.1.80 (123)
Updated: Jun 4, 2026 (4 months ago)
APK size: 91.1 MB
Requires: Android 9+ (API 28)
CPU support: x86 32-bit, x86 64-bit, ARM 32-bit, ARM 64-bit
Category: Music & Audio (app)
Listed since: Oct 22, 2020 (at least)
Permissions: 18 (2 sensitive)
Website: hemi-sync.com
Developer contact: [email protected]
Privacy: Developer's privacy policy

About this APK

Hemi-Sync® Flow is an app by Interstate Industries, Inc. d/b/a Hemi-Sync® in the Music & Audio category, listed since at least October 2020. It includes native code for x86 32-bit, x86 64-bit, ARM 32-bit and ARM 64-bit, so it runs on practically every phone.

Since version 2.1.16, the APK grew from 41.9 MB to 91.1 MB and the minimum Android version rose from 5.1 to 9. It asks for 18 permissions, 2 of them sensitive: camera and record audio. Compared with version 2.1.76, it adds 1 new permission (“Detect screen capture”) and drops 3 (“Modify audio settings”, “Read media images” and “Read media video”). The app offers in-app purchases through Google Play and can read the advertising ID that ad and analytics services use.

What's new in v2.1.80

- Recompiled app with 16 KB native library alignment - Edge-to-edge display for all users - Removed resizability and orientation restrictions in app to support large screen devices - Added genre descriptions - Added FAQs on more page - Made track title easy to read - Added free trial for monthly/annual subscriptions - Formatted genre boxes - Mixer: Added text descriptions for focused icons

Description

From the listing uploaded by “appupdater”.

Hemi-Sync® Flow offers a thoughtfully curated selection from our extensive library, making it the perfect starting point for those new to consciousness exploration or seeking a focused experience. Access over 300 titles from the Hemi-Sync® library, including six acclaimed Gateway Experience® exercises, from your mobile device for one low monthly subscription rate. Create custom Hemi-Sync® tracks using our mixer feature, and enjoy our free DailySync feature, which plays one track per day.

Version history

4 versions are listed, going back to v2.1.16. Since v2.1.75 it requires Android 9+.

v2.1.80 LATEST Jun 4, 2026 91.1 MB TRUSTED v2.1.76 Nov 18, 2025 88.2 MB TRUSTED v2.1.75 Feb 13, 2025 88.2 MB TRUSTED v2.1.16 Apr 9, 2026 41.9 MB TRUSTED

All 4 versions

Security & authenticity

Security rating: Trusted

Signing certificate

Signature matches the Google Play version Checked by the source store on Jun 4, 2026.
Certificate issued to “Interstate Industries Inc. HemiSync” This is the certificate of the Google Play version.
Same certificate as the 2 other versions checked

Store checks and file details

Developer signature verified Jun 4, 2026
Validated against Google Play Jun 4, 2026
Signed byCN=Garrett Stevens, O=Interstate Industries Inc. HemiSync, L=Lovingston, ST=VA, C=22949
Signing certificate (SHA-1)D2:D7:54:AD:97:CF:14:CA:A1:12:03:92:2E:65:67:1F:11:A4:C0:50
File MD5f0c9eff1f279eb8b478f02634fdec9ce
Uploaded by “appupdater” Gold tier · 117,810 followers · uploading since 2020

Scans and ratings come from the source store; the certificate comparisons are AAPKs's own, made from the files' published signatures (2 other versions compared). AAPKs doesn't scan files itself — compare the MD5 and signer after downloading.

Permissions (18)

Hemi-Sync® Flow requests 18 permissions, 2 of them sensitive.

Camera Sensitive android.permission.CAMERA
Record audio (microphone) Sensitive android.permission.RECORD_AUDIO
Advertising ID com.google.android.gms.permission.AD_ID
Detect screen capture android.permission.DETECT_SCREEN_CAPTURE
Foreground service media playback android.permission.FOREGROUND_SERVICE_MEDIA_PLAYBACK
Full network access android.permission.INTERNET
Google Play install referrer com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE
In-app purchases (Google Play Billing) com.android.vending.BILLING
Internal broadcast protection (app-defined) com.hemisync.hemisyncflow.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION
Prevent the device from sleeping android.permission.WAKE_LOCK
Push messaging (app-defined) com.hemisync.hemisyncflow.permission.C2D_MESSAGE
Read Google service settings com.google.android.providers.gsf.permission.READ_GSERVICES
Receive push notifications com.google.android.c2dm.permission.RECEIVE
Run at startup android.permission.RECEIVE_BOOT_COMPLETED
Run foreground services android.permission.FOREGROUND_SERVICE
Show notifications android.permission.POST_NOTIFICATIONS
View Wi-Fi connections android.permission.ACCESS_WIFI_STATE
View network connections android.permission.ACCESS_NETWORK_STATE

Required hardware & features

Basic touch input android.hardware.faketouch
Microphone android.hardware.microphone
Portrait screen android.hardware.screen.portrait
Wi-Fi android.hardware.wifi

Hemi-Sync® Flow APK: questions and answers

Is there a version of Hemi-Sync® Flow for older Android phones?

The current version needs Android 9 or later. Version 2.1.16 is the newest listed build that installs on Android 5.1 and later. It is an old build: apps that rely on online services may no longer connect when they are this old. Get version 2.1.16 · All versions

Can I install this APK over the version I already have?

Yes, if your installed copy is older. It is signed like the Google Play version, so Android installs it as an update and keeps your data.

Is Hemi-Sync® Flow free?

The APK is free to download, but the app offers in-app purchases through Google Play.

Is the Hemi-Sync® Flow APK safe?

No one can promise that a file is safe, but some things can be checked. The source store rates this file Trusted. Its signature matches the Google Play version. It is signed with the same certificate as the 2 other versions checked. After downloading, check that the file's MD5 is f0c9eff1f279eb8b478f02634fdec9ce.