FlowPeak vs Ostron
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
FlowPeak
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FlowPeak is a breathing app that aims to help you focus on your quality of breathing. It's great for anyone from vocalists to meditation gurus! We analyze your breath sounds and tell you a little bit about the frequencies we hear in your breathing!
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 iOS requirement: Ostron at 15.6 against FlowPeak's 17.0. On price, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
FlowPeak ships an update every 4 weeks, Ostron every 5 weeks. The most recent releases landed on October 7, 2026 and October 10, 2026 respectively.
| Parameter | FlowPeak | Ostron |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 4 weeks — better | Every 5 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone | iPhone, iPod — better |
| Requires iOS | 17.0 | 15.6 — better |
| Further details — not scored | ||
| Size | 26 MB | 31 MB |
| Age rating | 4+ | 4+ |
| Developer | Immix Concepts, LLC. | Ostron Ltd. |
In-app purchases
FlowPeak
No in-app purchases
Ostron
No in-app purchases
