Acoustical Pyramid vs Ostron
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Acoustical Pyramid
Discover a world of healing sounds designed to promote deep meditation and inner peace. This app offers a variety of global sounds to help you achieve tranquility, whether you're a beginner or an experienced meditator. Immerse yourself in unique audio experiences that manipulate brain waves for a more centered and mindful you.
- Global healing sounds
- Deep meditation aid
- Brainwave manipulation audio
- Inner peace and tranquility
- Mindfulness journey support
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Acoustical Pyramid is your personal haven, designed to soothe your senses and induce a state of deep meditation. This unique platform brings you an assortment of sounds from around the world that aid in achieving inner peace and tranquility. Whether you're an experienced meditator or just starting on your journey, Acoustical Pyramid has something for everyone. With a premium subscription, explore different categories of sounds and find those that resonate with you. Each sound is designed to manipulate specific brain waves, immersing yourself in an audio experience like no other. Acoustical Pyramid is not just an app; it's a pathway to a more centered, calm, and mindful you. Join us in exploring the powers of sound and step into a world of serenity and peace. Download Acoustical Pyramid today and let the sounds guide you to a state of deep meditation.
Ostron
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Experience greater calm and clarity with technology designed to support your well-being. The Ostron app is the companion to Ostron’s palm-sized relaxation device. Connect via Bluetooth to explore guided sessions, customize your settings, control your device, and save your preferred sessions for convenient use without the app. The Ostron device can be used independently, while the app unlocks additional features and greater personalization to help you get more from every experience. Download the Ostron app and begin your journey toward deeper relaxation - one touch at a time. An Ostron device is required to use this app.
Screenshots
Verdict
The clearest difference is in-app purchases: Ostron at none against Acoustical Pyramid's 2. Acoustical Pyramid's advantage is update cadence (every 2 weeks vs every 5 weeks). On price, ads, device support and iOS requirement 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
Both are free to download. Acoustical Pyramid sells 2 in-app purchases, starting at $15.00 per month. Ostron asks for nothing beyond the download.
Acoustical Pyramid ships an update every 2 weeks, Ostron every 5 weeks. The most recent releases landed on October 24, 2026 and October 27, 2026 respectively.
| Parameter | Acoustical Pyramid | Ostron |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 2 weeks — better | Every 5 weeks |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Freemium | — |
| Devices | iPhone | iPhone, iPod — better |
| Requires iOS | 16.6 | 15.6 — better |
| Further details — not scored | ||
| Size | 27 MB | 31 MB |
| Age rating | 4+ | 4+ |
| Developer | Thomas Allen | Ostron Ltd. |
In-app purchases
Acoustical Pyramid
- Monthly Subscription$15.001 Month
- Yearly Subscription$90.001 Year
Ostron
No in-app purchases
Questions
Is Acoustical Pyramid free?
Is Ostron free?
Do Acoustical Pyramid or Ostron have ads?
Which is updated more often, Acoustical Pyramid or Ostron?
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