Comparison

40Hz Gamma vs Aura Sync

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

40Hz Gamma

This app offers advanced brain stimulation through precisely calibrated audio and visual signals. It aims to help users achieve states of deep focus and tranquility using neuroscience-backed techniques. Explore various professional audio modes and advanced gamma visuals for cognitive wellness.

Highlights
  • Professional audio modes (e.g., Binaural Beats, Monaural Beats)
  • Advanced gamma visual stimulation (e.g., Sine Wave, Drifting Grating)
  • Precision frequency tuning (38Hz-42Hz)
  • Ambient sound library with white noise
  • Mixer for 40Hz waves and ambient sounds
  • Offline functionality, no data collection
Features
Read full description

40Hz Gamma — Advanced Brain Stimulation Experience the future of cognitive wellness with 40Hz Gamma, a professional tool designed for multisensory 40Hz stimulation. Grounded in modern neuroscience research, our app provides precisely calibrated audio and visual signals to help you reach states of deep focus and tranquility. Key Features Professional Audio Modes: - **Standard Gamma Base (Pure Tone)**: The cleanest 40Hz signal for baseline training. - **Strong Pulsatile Rhythms (Isochronic)**: Sharp rhythmic pulses for powerful engagement. - **Inter-Hemispheric Sync (Binaural Beats)**: Guides hemispheric synergy via precision frequency offsets. - **Envelope Neuromodulation (AM)**: Smooth 40Hz amplitude modulation of a high-frequency carrier. - **Monotic Summation (Monaural Beats)**: Creates physical interference through combined signals in each ear. Advanced Gamma Visuals: - **Global Sync (Square Wave)**: Uniform full-field stimulation for standard synchronization. - **Harmonic Fade (Sine Wave)**: Smooth sinusoidal transitions for a gentler experience. - **V1 Cortex Drive (Drifting Grating)**: Uses directional motion to strengthen primary visual cortex activation. - **Centric Focus Pulse (Radial Pulse)**: Expanding patterns for centering focus and attention. - **High-Sensitivity Entrainment (Checkerboard)**: Maximizes response using high-contrast phase inversion. - **Multi-Dimensional Integration (Mixed Mode)**: Blends patterns dynamically to prevent neural adaptation. Precision Tuning: Fine-tune the stimulation frequency between 38Hz and 42Hz (default 40Hz) in settings to find your optimal resonance. Rich Ambient Library: High-quality white noise including Rain, Ocean, Forest, and more. Advanced Mixer: Seamlessly blend 40Hz waves with your favorite ambient sounds. Privacy First: Fully offline, no data collection, and no trackers. Safety Warning & Disclaimer IMPORTANT: PHOTOSENSITIVE EPILEPSY WARNING This app contains 40Hz flashing lights. Do not use this app if you have a history of seizures or photosensitive epilepsy. Discontinue use immediately if you experience dizziness or discomfort. Medical Disclaimer: This app is intended for wellness and research purposes only and does not provide medical diagnosis or treatment. It is not a medical device. Always seek a doctor’s advice before making any health-related decisions.

About

Aura Sync

Features
Read full description

An app for listening to binaural presets at set tones and variations alongside environmental loops. Perfect for sleep, relaxation, meditation, thoughtfulness, concentration, healing, and other activities. Select from pre-made presets or create your own binaural and save it for use whenever you'd like.

Screenshots

40Hz Gamma4 screens
Aura Sync4 screens

Verdict

The call

The clearest difference is price: Aura Sync at Free against 40Hz Gamma's $4.99. 40Hz Gamma's advantage is chart position (#192 vs unranked) and device support (3 vs 1). On update cadence, ads and in-app purchases there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Aura Sync is free to download; 40Hz Gamma costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

40Hz Gamma ships an update every 4 days, Aura Sync every 3 days. Both last shipped on September 22, 2026.

Scorecard4 real differences · 6 level
40Hz Gamma versus Aura Sync: the parameters behind the verdict, then further details
Parameter40Hz GammaAura Sync
Price$4.99Free — better
Rating5.0 (2 ratings) — better—
Number of ratings2 — better—
Update frequencyEvery 4 daysEvery 3 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaid—
Best chart rank#192 — better—
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.6 — better26.0
Further details — not scored
Size38 MB213 MB
Age rating4+4+
Developer秀银 林Eric Dolecki

In-app purchases

None

40Hz Gamma

No in-app purchases

None

Aura Sync

No in-app purchases

Questions

Is 40Hz Gamma free?
40Hz Gamma costs $4.99, with no in-app purchases.
Is Aura Sync free?
Aura Sync is free to download, with no in-app purchases.
Do 40Hz Gamma or Aura Sync have ads?
Neither 40Hz Gamma nor Aura Sync shows ads.
Which is updated more often, 40Hz Gamma or Aura Sync?
40Hz Gamma ships an update every 4 days, and Aura Sync every 3 days. Most recently, 40Hz Gamma was updated on September 22, 2026 and Aura Sync on September 22, 2026.

Other comparisons