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Coldstar

BYOKS - Build Your Own Key Signer

4.1 Store rating · 18 reviewsdevsyrem
App Signal Score7/10
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Coldstar is worth watching because its Store description highlights wallet or portfolio utility, privacy or security positioning, and Seeker or mobile-first fit and visible review snippets mention privacy or security positioning and NFT or collectible mechanics.
Product context

Description

Coldstar is the fastest and most secure way to approve Solana transactions from your Solana Seeker. Instead of exposing your private keys to your browser or connected device, Coldstar builds and signs transactions on a dedicated offline hardware signer, keeping your keys isolated at all times. Review every transaction before approval, sign with confidence, and stay protected from malicious dApps, phishing attacks, and wallet exploits. Designed for traders, developers, and long-term holders alike, Coldstar delivers institutional-grade security without sacrificing speed or usability. Your keys never leave your device. Ever.

Product view

Screenshots

4 assets
Radar assessment

Why this score

7/10
  • Strong Store listing
  • Trust and permission coverage
  • Clear Seeker/mobile utility
  • Official public proof

Scores reflect listing quality, trust coverage, utility, public proof, and Store traction. Recency does not add points.

Read the scoring methodology
Community signalNo ratings yet
What to watch

Signals

  • Store description themes: wallet or portfolio utility, privacy or security positioning, and Seeker or mobile-first fit
  • Reviewer note: "wow. some tool to good stuff"
  • Reviewer note: "Seamless integration with local vault assets. Super fast loading for big collections. ​The ultimate dApp for..."
  • Review mix: 72% 4-5 star and 17% 1-2 star
  • Release-note focus: bug fixes or compatibility work
  • Store media: 4 screenshots and banner
  • APK metadata: 31 MB with SHA-256 hash
  • Publisher: devsyrem; 3 website/contact links
  • 2 policy/legal links captured
Radar follow-up

Next check

Review Coldstar's Android permissions on-device and note why sensitive access is needed.

Public listing should be verified on-device before signing or depositing funds.
Catalog evidence

Source

Solana Mobile dApp Store GraphQL scrape, May 22, 2026

Open source
Version 1.1.7

Release notes

  • Bugs Fixed:
  • RPC Fixed
  • Balance in $ Fixed
Official channels

Publisher links

WebsitePrivacyLicenseSupport
Store package

Technical metadata

Package
com.coldstar.app
Version
1.1.7 (117)
Minimum Android SDK
24
Languages
1
First seen
Jul 2, 2026
Android permissionsPermission review8 permissions
android.permission.CAMERAandroid.permission.INTERNETandroid.permission.USB_PERMISSIONandroid.permission.USE_BIOMETRICandroid.permission.USE_FINGERPRINTandroid.permission.VIBRATEcom.coldstar.app.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSIONandroid.permission.ACCESS_NETWORK_STATE
Store feedback

Recent reviews

wow. some tool to good stuff

deadlylama.skr

Seamless integration with local vault assets. Super fast loading for big collections. ​The ultimate dApp for NFT enthusiasts on mobile. Fast, secure, and stylish.

radyu.skr

Good one, must try 👍

deckchildtoon.skr
For builders

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