# O3: Cross-Chain Wallet > Secure, non-custodial cross-chain smart wallet for DeFi asset management. (iPhone/iPad app by O3 Labs Inc..) - Source: https://appshunter.io/ios/app/o3-cross-chain-wallet/id1617058348 (this page in markdown: same URL + `.md`) - Developer: [O3 Labs Inc.](https://appshunter.io/developer/1336781022) - Category: Finance - Price: Free - Rating: 4.33/5 from 6 App Store ratings · 4 written reviews indexed - Age rating: 4+ - Requires: iOS 12.0 · 64 MB - Languages: English, Japanese, Korean, Chinese - Released: 2022-05-10 - Data updated: 2026-06-10 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/o3-cross-chain-wallet/id1617058348/reviews.md ## What is O3? O3 Cross-Chain Wallet As a mobile cross-chain smart wallet specially built for DeFi users, we have always been committed to providing users with digital asset management services that are 100% non-custodial, safe, and reliable; one-stop efficient and convenient cross-chain operation entry. In O3 Cross-Chain Wallet, we support one-click switching of any EVM compatible chains and custom networks, and managing crypto assets on multiple blockchains within one wallet. The built-in cross-chain DEX aggregator can integrat Swap, Bridge, Hub and others into a magic button. While eliminating the redundant cross-chain operation steps, by aggregating the liquidity from DEXs on each chain, it can get the optimal price path in real-time. Also, users get more choices in cross-chain assets, not only bridging symmetric native assets, but also swapping asymmetric native assets across chains, and even exchanging the Gas assets on any EVM compatible chains. In the future, O3 Cross-Chain Wallet will integrate more DEXs and cross-chain protocols, so that everyone can trade across chains more efficiently. Finally, the O3 protocol can realize value transfer among multiple chains and assets with minimal operations. ## Key features - Non-custodial digital asset management - Cross-chain smart wallet - One-click EVM chain switching - Built-in DEX aggregator - Optimal cross-chain pricing - Support for native asset bridging and swapping ## Recent user reviews (4 of 4) All indexed reviews: https://appshunter.io/ios/app/o3-cross-chain-wallet/id1617058348/reviews.md ### 5/5 — Good wallet *2022-05-17* I like the wallet to save my assets. UI is clear and easy to use. The function includes cross-chain within one click. ### 5/5 — Smoothest wallet app I've ever used. *2022-05-17* Well done, O3! ### 5/5 — Easy to operate *2022-05-17* An very user friendly platform. I love it! ### 5/5 — Best wallet. *2022-05-16* This is one of best cross chain wallet for crypto holders. Support is excellent too. ## Frequently asked questions about O3 ### What is O3 Cross-Chain Wallet? O3 Cross-Chain Wallet is a non-custodial mobile smart wallet designed for DeFi users. It provides secure management of digital assets across multiple blockchains with efficient cross-chain operations. ### Is O3 Cross-Chain Wallet secure? Yes, O3 Cross-Chain Wallet is committed to providing 100% non-custodial, safe, and reliable digital asset management services. It allows users to manage their crypto assets without giving up control. ### What blockchains does O3 Cross-Chain Wallet support? O3 Cross-Chain Wallet supports one-click switching of any EVM compatible chains and custom networks, allowing management of crypto assets on multiple blockchains within a single wallet. ### How does the DEX aggregator in O3 Cross-Chain Wallet work? The built-in cross-chain DEX aggregator integrates Swap, Bridge, and Hub functionalities. It aggregates liquidity from DEXs on each chain to find the optimal price path in real-time for cross-chain transactions. ### Can I swap different types of assets across chains with O3 Cross-Chain Wallet? Yes, users can bridge symmetric native assets, swap asymmetric native assets across chains, and even exchange Gas assets on any EVM compatible chain. ### What devices is O3 Cross-Chain Wallet available on? O3 Cross-Chain Wallet is available on iPhone and iPod devices. ### How often is O3 Cross-Chain Wallet updated? The latest version of O3 Cross-Chain Wallet is 1.5.2, which was last updated on May 31, 2023. Future updates will integrate more DEXs and cross-chain protocols. ### Does O3 Cross-Chain Wallet have ads? No, O3 Cross-Chain Wallet does not contain advertisements. ## Version history (last 5 releases) ### 1.5.2 — 2023-05-31 - Space ID Supported ### 1.5.1 — 2023-03-17 You can view your assets in one place now, We bring you a portfolio page, All your assets at a glass! - Add portfolio page - Optimize cached data - Fix known bugs ### 1.5.0 — 2023-02-09 You can view your assets in one place now, We bring you a portfolio page, All your assets at a glass! - Add portfolio page - Optimize cached data - Fix known bugs ### 1.4.4 — 2022-11-28 Changes - Optimize Astar's Cross-Chain fee logic - Improve the Collections' data - Fix the page crashes ### 1.4.3 — 2022-11-02 Improve: Fixed the issue that Astar could not be displayed in the swap list ## More apps by O3 Labs Inc. - [O3 Wallet](https://appshunter.io/ios/app/o3-wallet/id1528451572) All apps by O3 Labs Inc.: https://appshunter.io/developer/1336781022 --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-10.*