One&One
One&One is made and published by ETERNAL SMART TECHNOLOGY LTD. AppBrain is an independent app data site and isn't affiliated with ETERNAL SMART TECHNOLOGY LTD. The app name, icon, screenshots and description belong to ETERNAL SMART TECHNOLOGY LTD. and are shown as published on the App Store.
AppBrain's verdict
- Last updated
- August 11, 2026
Rankings
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Competitors
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Releases
Updates seen on the App Store- Version
- 1.1
- Launched
- August 2026
No changelog data
User feedback
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Technology
Found in the app by AppBrain- Price
- Free
- App size
- 32.2 MB
- Content rating
- Everyone
Technologies used by One&One
About the app and developer
About One&One
One&One is a productivity app developed by ETERNAL SMART TECHNOLOGY LTD.
User Ratings
The app has no ratings yet.
App Information
One&One is freely available from the App Store. The app size is 32.17 MB. The latest version available is 1.1. The last update was on August 11, 2026.
Technical Requirements
The app has a content rating of Everyone. The app has been available on the App Store since August 2026.
Developer information for ETERNAL SMART TECHNOLOGY LTD.
Address:
Frequently asked questions about One&One
Is One&One free?
Yes. One&One is free on the App Store.
Is One&One still available?
Yes. One&One is on the App Store, and the last update we saw was on August 11, 2026.
How large is One&One?
One&One is 32.17 MB.
Is One&One suitable for children?
App Store rates the content of One&One as suitable for everyone.
Who made One&One?
One&One was developed by ETERNAL SMART TECHNOLOGY LTD. It is listed in the productivity category on the App Store.
What are the best alternatives to One&One?
People looking at One&One also look at these productivity apps: AI Notes for Watch - WristNote, Zivo : Korea travel concierge, Capy - AI Meeting Translator, Atomic Mail: Private Email, Call Recorder: Record My Call.
Store listing
By ETERNAL SMART TECHNOLOGY LTD., from the App StoreDescription by ETERNAL SMART TECHNOLOGY LTD. Written by the developer, not by AppBrain. Click to read.
One&One is designed solely as a self-custody wallet application. Users always maintain full control of their private keys, recovery phrases, and wallet data. The developer never has access to users' wallets, private keys, digital assets, or funds.
With One&One, users can:
• Create a new wallet
• Import an existing wallet using their own recovery phrase or private key
• Securely store supported blockchain assets
• Send digital assets to another blockchain wallet address
• Receive digital assets from another blockchain wallet address
• View wallet balances and transaction history
• Manage multiple self-custody wallets from a simple and intuitive interface
One&One does not provide any cryptocurrency exchange functionality.
The app cannot buy, sell, swap, convert, or exchange any cryptocurrency.
The app does not offer:
• Cryptocurrency exchange, including CEX or DEX
• Token swap services
• Buying or selling cryptocurrency
• OTC trading
• Brokerage services
• Exchange APIs
• Investment products
• Staking
• Lending
• Yield generation
• Custodial wallet services
• Financial advisory services
The app does not connect to any cryptocurrency exchange, trading platform, swap protocol, or exchange API.
One&One simply allows users to securely store, send, receive, and manage blockchain assets that they already own using their own self-custody wallets.
Your wallet.
Your keys.
Your control.