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CryptSync is a mobile self-custody crypto wallet built around a “seedless” experience. Its terms clearly state that the company does not hold or control user assets or private keys, and that transactions take place directly on-chain. In practice, the platform is positioned more as a wallet and DeFi gateway than as a centralized exchange or custodian.
The product supports managing assets across 12+ chains in a single interface. Users can buy and sell Bitcoin and 170+ cryptocurrencies, and perform swaps across 12 networks. The app also includes dApp browsing, P2P transfers, sending assets to verified contacts, P2P encrypted chat, AI portfolio tracking, and Syncoin staking. Syncoin staking yields are shown as 10% APY for 30 days, 25% for 90 days, and 52% for 180 days, but the terms also warn of risks such as lockups, fees, slashing, and jurisdictional restrictions.
The main materials do not disclose the price of Sync+ membership, only mentioning a 14-day free trial. Crypto buying and selling is integrated via Onramper, with support for credit cards, Apple Pay, and Google Pay; crypto swaps are handled through SideShift.ai. The basic wallet does not require KYC, but a phone number is used for CryptoContacts and chat features. For fiat-related or regulated transactions, users must submit KYC/AML information as required by the relevant third-party provider. Specific fees, spreads, network fees, and regional availability are not listed.
Security is the product’s main selling point, with features including MPC sharded keys, zero-knowledge biometrics, device + face 2FA, biometric transaction signing, AI fraud detection, and Wallet Freeze. The freeze feature is described as a user-controlled security protocol, not a custodial freeze imposed by the platform. Sync+ also includes insurance, with an aggregate limit of up to USD 1 million during the policy period, underwritten by Relm Insurance. However, coverage is limited to specific crimes, cyberattacks, funds transfer fraud, and similar events; exclusions include user error, third-party failures, and losses involving privacy coins. The company is registered in Saint Vincent and the Grenadines and says it operates under a non-custodial exemption, which is not the same as holding a mainstream exchange license.
The strengths are its clear self-custody positioning, high level of feature integration, and broad set of security mechanisms. The drawbacks are the lack of transparency around fees and membership pricing, reliance on third parties such as Onramper, SideShift.ai, Hypernative, and Keyless.io for core services, and the fact that the insurance is not an unconditional guarantee. It is best suited to users who value mobile usability and biometric security, and who want one wallet for buying crypto, swapping, staking, and accessing dApps.
The main materials do not provide information on network access from mainland China, App Store/Google Play availability, or RMB payment support, so its accessibility in China is unknown. Chinese users will typically also compare alternatives such as OKX Wallet, imToken, TokenPocket, and MetaMask, and should independently assess local compliance requirements and payment restrictions.
⚠ This review is compiled from public sources and does not constitute a purchase recommendation. Verify all facts on the vendor's official site. Verify on cryptsync.io official site.
cryptsync.io is an Unknown Crypto provider. TG4G tracks its product information, an overall rating of 5.0/10, and a China-accessibility score of Workable. Click "Visit Official Site" to reach cryptsync.io directly.