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Coldstar

BYOKS - Build Your Own Key Signer

4.2 · 20 Store reviewsdevsyremWallets
App Signal Score8/10
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Coldstar: 20 Store reviews at 4.2 stars. New on the Store Jul 2, 2026. Radar score 8, worth watching.

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.

Screenshots

4 assets

Why this score

8/10
  • Strong Store listing
  • Trust and permission coverage
  • Early review traction
  • 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
No ratings yet

Signals

  • Reviewer note: "The app is very well made; it would be even better with a few more features."
  • Reviewer note: "Good one fast rand reliable"
  • Review mix: 75% 4-5 star and 15% 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
  • 8 Android permissions captured; 1 sensitive flag

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.

Source

Solana Mobile dApp Store GraphQL scrape, May 22, 2026

Open source

Release notes v1.1.7

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

Publisher links

WebsitePrivacyLicenseSupport

Technical metadata

Package
com.coldstar.app
Version
1.1.7 (117)
Minimum Android SDK
24
Languages
1
First seen
Jul 2, 2026
Permission reviewAndroid permissions declared by the package8 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

Recent reviews

The app is very well made; it would be even better with a few more features.

misssolana.skr

Good one fast rand reliable

2pett.skr

wow. some tool to good stuff

deadlylama.skr

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