Cardio Rings vs Solfeggio Waves
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Cardio Rings
This app helps you achieve your heart health goals by tracking your workouts in different heart rate zones. Set weekly targets, monitor your progress as you close rings, and improve key metrics like resting and maximum heart rate.
- Set weekly heart rate zone targets
- Close rings by exercising
- Track max and resting heart rate
- Improve endurance and fat oxidation
- Monitor blood circulation
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Interested in longevity and heart health? Then you know the importance of training in different heart rate zones. Meeting weekly targets for each zone can improve endurance, fat oxidation, blood circulation and so much more. It's a workout for your heart muscle, so you're less likely to have heart issues. Cardio Rings helps you meet your heart health goals every week 1. Set Weekly Targets: Choose how long you want to train in each zone 2. Close the Rings: Keep exercising and watch your rings fill up 3. Improve your heart health: Track improvements in metrics like max and resting HR
Solfeggio Waves
This app uses ancient Solfeggio frequencies and modern binaural beats to promote calm and clarity. Choose from various frequencies and brainwave states, layered with ambient sounds, for meditation, sleep, or focus.
- 9 Solfeggio frequencies
- Adjustable brainwave states
- Precise beat frequency control
- Wind ambience option
- Background audio playback
- Real-time sine wave generation
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Solfeggio Waves helps you reach deeper states of calm and clarity using the ancient Solfeggio frequencies combined with modern binaural beats. Choose from 9 classic Solfeggio tones (174 Hz to 963 Hz) and layer them with brainwave entrainment — Delta for deep sleep, Theta for meditation and creativity, Alpha for relaxed focus, Beta for concentration, or Gamma for peak mental performance. Add gentle wind ambience to create a rich, immersive soundscape. The clean, distraction-free interface makes it effortless to find your perfect state whether you're meditating, working, falling asleep, or practicing yoga and breathwork. Features: • 9 authentic Solfeggio frequencies • Adjustable brainwave states (Delta, Theta, Alpha, Beta, Gamma) • Precise beat frequency control • Optional gentle wind ambience • Background audio support — continues playing with screen locked • Pure real-time sine wave generation — no loops or ads Simple, powerful, and designed for daily use. Whether you're new to sound healing or a seasoned practitioner, Solfeggio Waves gives you high-quality audio tools to support relaxation, focus, and wellbeing. Download now and tune into deeper peace and presence.
Screenshots
Verdict
The clearest difference is price: Cardio Rings at Free against Solfeggio Waves's $1.99. Cardio Rings also leads on device support (3 vs 1) and iOS requirement (13.0 vs 18.0). Solfeggio Waves's advantage is rating (5.0 vs 2.0) and ratings volume (3 vs 1). On 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
Cardio Rings is free to download; Solfeggio Waves costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Solfeggio Waves holds the better App Store score, 5.0 against 2.0. Both are backed by a comparable volume of ratings — 1 and 3 respectively.
| Parameter | Cardio Rings | Solfeggio Waves |
|---|---|---|
| Price | Free — better | $1.99 |
| Rating | 2.0 (1 ratings) | 5.0 (3 ratings) — better |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 1 | 3 — better |
| Update frequency | Every 10 days | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Paid |
| Devices | iPhone, iPod, Apple Watch — better | iPhone |
| Requires iOS | 13.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 1 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Aryan Bhasin | Dustin Cohick |
Customer experience
Cardio Rings
Solfeggio Waves
In-app purchases
Cardio Rings
No in-app purchases
Solfeggio Waves
No in-app purchases
Questions
Is Cardio Rings free?
Is Solfeggio Waves free?
Which has better reviews, Cardio Rings or Solfeggio Waves?
Do Cardio Rings or Solfeggio Waves have ads?
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