639hz Solfeggio Sonic Meditation by Glenn Harrold & Ali Calderwood
639hz Solfeggio Sonic Meditation by Glenn Harrold & Ali Calderwood generates an estimated $10–$200/month in revenue from 8–40 downloads/month on the App Store, according to AppCurrents estimates (updated 2026-08-02).
| Est. revenue / month | $10–$200 |
|---|---|
| Est. downloads / month | 8–40 |
| Estimate confidence | medium |
| Pricing | Paid $3.99 |
| Rating | 4.73 ★ (15 ratings) |
| Category | Health & Fitness |
| Best chart rank | #73 Health & Fitness Paid |
| Released | 28.03.2012 |
| App last updated | 20.12.2014 |
| Platform | iOS |
Modeled monthly estimate · rating velocity · medium confidence
About
Create emotional stability and harmonious relationships. This is one of a series of six meditation recordings by Glenn Harrold and Ali Calderwood, which are based upon the ancient Solfeggio musical scale. Each note in this scale has specific healing properties and this recording uses the fourth note, which resonates to a frequency of 639 Hz. This frequency works on connecting and harmonising re…
Trends & analysis
Chart rank trend
US · categoryWhy it's surfacing
Scout 13Ratings & velocity
★ 0 in windowRating distribution
93% positive · 15 ratingsGeographic reach
best rank · 1 storefrontRevenue & downloads trend
ARPU $3Update history
1 update tracked- v1.211.6y ago
This update from Apple will improve the functionality of this app. No new features are included. Upgraded audio tracks and new PDF content.
639hz Solfeggio Sonic Meditation by Glenn Harrold & Ali Calderwood — FAQ
How much money does 639hz Solfeggio Sonic Meditation by Glenn Harrold & Ali Calderwood make?
According to AppCurrents estimates, 639hz Solfeggio Sonic Meditation by Glenn Harrold & Ali Calderwood generates approximately $10–$200 per month (medium confidence), modeled from its the App Store chart performance, rating velocity, and monetization signals.
How many downloads does 639hz Solfeggio Sonic Meditation by Glenn Harrold & Ali Calderwood get?
639hz Solfeggio Sonic Meditation by Glenn Harrold & Ali Calderwood sees an estimated 8–40 downloads per month on the App Store, per AppCurrents modeling.
Is 639hz Solfeggio Sonic Meditation by Glenn Harrold & Ali Calderwood free?
639hz Solfeggio Sonic Meditation by Glenn Harrold & Ali Calderwood is a paid app priced at $3.99 on the App Store.
What is 639hz Solfeggio Sonic Meditation by Glenn Harrold & Ali Calderwood's rating?
639hz Solfeggio Sonic Meditation by Glenn Harrold & Ali Calderwood holds a 4.73-star average from 15 ratings on the App Store. It currently ranks #73 on the Health & Fitness paid chart.
When was 639hz Solfeggio Sonic Meditation by Glenn Harrold & Ali Calderwood released?
639hz Solfeggio Sonic Meditation by Glenn Harrold & Ali Calderwood launched on the App Store on 28.03.2012. Its latest version shipped 20.12.2014.
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