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App Store Apps > Lifestyle > Tonos — Tune Nervous System
Tonos — Tune Nervous System icon

Tonos — Tune Nervous System

by David Jacobson · Lifestyle · Free
On the App Store since April 2026 · Data updated 2026-11-07

Tonos — Tune Nervous System is made and published by David Jacobson. AppBrain is an independent app data site and isn't affiliated with David Jacobson. The app name, icon, screenshots and description belong to David Jacobson and are shown as published on the App Store.

AppBrain's verdict

Rating on App Store
2.00
1 ratings
Last updated
May 4, 2026
Size
68.5 MB

It doesn't have enough ratings yet to judge what users think.

Official page on the App Store

User feedback

Ratings and reviews on the App Store

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Store listing

By David Jacobson, from the App Store
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Screenshots by David Jacobson, from the the App Store listing
Description by David Jacobson Written by the developer, not by AppBrain. Click to read.
Tonos teaches the seven Hermetic principles: mind, correspondence, vibration, polarity, rhythm, causation, and generation, through produced one- to two-minute sessions. Each teaching pairs a narrated thesis with a frequency-anchored musical bed, scene-specific Canvas visuals, and a distinct haptic cadence. The result is a lesson that lands in the body as well as the mind.

Around the canon are five larger surfaces:

• The Invitation: a 60-second cinematic opening that introduces the framework on first launch and can be replayed at any time.

• The Seven Shadows: a darker companion teaching for each principle — the loud mind, the false pattern, the restless body, the split self, the stuck current, the haunted cause, the transactional exchange — paired so the Seven becomes a fuller spine.

• The Symphony: a ten-minute journey through all seven principles in sequence, culminating in a lit heptagon finale.

• The Codex: a written book mode that extends each teaching with longer-form prose.

• The Measurements: science cards citing peer-reviewed work on the Schumann resonance, heart coherence, vagal tone, neuroplasticity, and the body's own biophotons. Educational, not clinical.

Tonos runs on iPhone and iPad, offline-first. There is no account, no network activity at runtime, and no tracking. The app is designed for daily tuning, a single minute between the noise, and it treats the user as intelligent rather than fragile.
Official page on the App Store

Safety and technology

Found in the app by AppBrain
Price
Free
App size
68.5 MB
Content rating
Everyone

Technologies used by Tonos — Tune Nervous System

Releases

Updates seen on the App Store
Version
1.4.0
Launched
April 2026

No changelog data

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Rankings

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About the app and developer

About Tonos — Tune Nervous System

Tonos — Tune Nervous System is a lifestyle app developed by David Jacobson.

What is the rating of Tonos — Tune Nervous System?

Tonos — Tune Nervous System is rated 2.00 out of 5 stars, based on one rating ratings.

Is Tonos — Tune Nervous System free?

Tonos — Tune Nervous System is free. The app size is 68.52 MB. The latest version available is 1.4.0. The last update was on May 4, 2026.

What are the requirements for Tonos — Tune Nervous System?

The app has a content rating of Everyone. The app has been available on the App Store since April 2026.

Developer information for David Jacobson

David Jacobson

Address:

Frequently asked questions about Tonos — Tune Nervous System

Is Tonos — Tune Nervous System free?

Yes. Tonos — Tune Nervous System is free on the App Store.

Is Tonos — Tune Nervous System still available?

Yes. Tonos — Tune Nervous System is on the App Store, and the last update we saw was on May 4, 2026.

How large is Tonos — Tune Nervous System?

Tonos — Tune Nervous System is 68.52 MB.

Is Tonos — Tune Nervous System suitable for children?

App Store rates the content of Tonos — Tune Nervous System as suitable for everyone.

How do people rate Tonos — Tune Nervous System?

Tonos — Tune Nervous System has one rating of 2.00 stars on the App Store.

Who made Tonos — Tune Nervous System?

Tonos — Tune Nervous System was developed by David Jacobson. It is listed in the lifestyle category on the App Store.

What are the best alternatives to Tonos — Tune Nervous System?

People looking at Tonos — Tune Nervous System also look at these lifestyle apps: AngelPath: Angel Numbers, Soulboard – Vision Board, PulseFlow Pro, haiku diary, Divine Symbology.

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