Archived App (Last seen on 6 Jan 2026)
This is an archived listing of the app previously available on the App Store.
A secure, self-custodial crypto wallet utilizing AI and Layer 2 networks to reduce transaction costs. It supports multi-chain assets, social recovery, and offers a seamless Web2 to Web3 transition.
2.0.2
October 16, 2025
Fix some known issues.
Echooo is a decentralized, self-custodial crypto wallet application. It leverages multi-party computation and smart contract technology, supporting features like multi-signature and social recovery. The app aims to provide a secure and cost-effective gateway to Web3, reducing transaction fees through AI and Layer 2 networks.
Echooo prioritizes security by not requiring mnemonic phrases, instead using algorithmic encryption and cloud storage. It employs a multi-layer security infrastructure including MPC, TEE, and multi-signature capabilities. An account recovery mechanism is also in place to prevent single points of failure.
The app utilizes a unique AI-driven technology architecture combined with Layer 2 networks to significantly lower transaction costs. Its embedded AI engine also includes a smart trade router that sources liquidity from various DEXes and splits transactions to ensure optimal exchange rates.
Echooo currently supports a wide range of major public chains and their complete asset portfolios. This includes Bitcoin, Ethereum, zkSync Era, Polygon, Arbitrum, Optimism, BNB Chain, Tron, Meter, Scroll, and more, offering comprehensive full-chain asset management.
Based on the provided information, Echooo is a free application. It does not have in-app purchases or advertisements, indicating a free monetization model for users.
