# Callahorn Resonance — Binaural Beats & Sleep Sounds

> Binaural Beats & Sleep Sounds (iPhone/iPad app by Callahorn Inc..)

- Source: https://appshunter.io/ios/app/callahorn-resonance/id6791756168 (this page in markdown: same URL + `.md`)
- Developer: [Callahorn Inc.](https://appshunter.io/developer/6791756170)
- Category: Health & Fitness, Lifestyle
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 15.0 · 13 MB
- Languages: American English
- Released: 2026-09-30
- Data updated: 2026-10-08

## What is Callahorn Resonance?

Resonance is a calm space for focus, relaxation, meditation and sleep. Choose an intention, layer in soothing sounds, set a timer, and let the tones do the rest.

BINAURAL BEATS
Four presets — Focus, Relax, Meditate and Sleep — plus a Binaural Frequency Tuner for dialing in a beat from 0.5 to 40 Hz.

AMBIENT MIXER
Blend rain, ocean, wind, fire and stream with musical pads, each with its own volume.

SOUNDSCAPE PACKS
Build your own Stormy Night with four rain textures and two thunder layers, available as an optional one-time purchase. Download purchased packs for offline listening, or use Restore Purchases to recover access to packs you already own.

FAVORITES
Save your favorite mixes, timer, breathing and spatial settings on your device.

GUIDED BREATHING
Follow a gentle visual guide for Equal, Coherent, Relax, Box or 4-7-8 breathing.

8D SPATIAL AUDIO
Let the ambience slowly orbit around your head for an immersive listen.

SLEEP TIMER
Sessions from 5 to 60 minutes end with a soft fade and a gentle chime, even with the screen locked.

PRIVACY
No account is required. No ads or advertising tracking. Optional purchases are processed by Apple; RevenueCat uses anonymous purchase history to manage access, restore purchases, and provide purchase reporting. Core sounds and downloaded packs play offline. An internet connection is required for purchases, restores, and pack downloads.

Best experienced with headphones.

Resonance is intended for relaxation and general wellbeing. It is not a medical device and is not intended to diagnose, treat or cure any condition.

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| All Soundscapes | $9.99 | one-time |
| Stormy Night | $2.99 | one-time |


## Is Callahorn Resonance safe?

Not enough ratings yet to assess Callahorn Resonance.

## Is Callahorn Resonance legit?

Callahorn Resonance has limited verification signals. The AppsHunter Legitimacy Score for Callahorn Resonance is 58 out of 100 points across 7 verification signals from App Store and developer data.


## Version history (last 2 releases)

### 1.1 — 2026-10-07

Introducing Stormy Night: mix four rain textures and two thunder layers with an optional one-time purchase. Download purchased soundscapes for offline playback and restore previous purchases. Save your favorite mixes and session settings. Includes scene playback and session timer improvements.

### 1.0 — 2026-09-30

No release notes.

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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 2026-10-08.*