Ostium
Trade perpetual futures on Ostium, a decentralized exchange (DEX) for crypto derivatives. Access leveraged trading on stocks, crypto, and commodities with low fees. Installs to your home screen from any modern browser — no app store, no download, its manifest declares standalone display with a 512px icon, and it caches nothing for offline use, so it needs a connection. Checked by hand on 8 August 2026.
Ostium, as it opens in a browser tab.
Not sure how to add Ostium to your home screen? Step-by-step for Chrome, Safari, Firefox and Edge — it takes about ten seconds, and there is no app store involved.
Own Ostium? Have us re-run this measurement — we open it in a real browser, cut the network, and send you what survived.
How to install Ostium as a PWA
Screenshots
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