# Cardugo - Offline Card Wallet — No Tracking. Fully Encrypted. > Offline, encrypted digital wallet for cards, accounts, and notes. (iPhone/iPad app by Yadong Hu.) - Source: https://appshunter.io/ios/app/cardugo-offline-card-wallet/id6777581296 (this page in markdown: same URL + `.md`) - Developer: [Yadong Hu](https://appshunter.io/developer/6777581298) - Category: Utilities, Productivity - Price: Free (on sale, was $0.99) - Rating: 5.00/5 from 2 App Store ratings - Age rating: 4+ - Requires: iOS 17.0 · 8 MB - Languages: American English, French (France), German (Germany), Japanese, Korean, Brazilian Portuguese, Chinese (Simplified, China), European Spanish - Released: 2026-06-22 - Data updated: 2026-07-18 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/cardugo-offline-card-wallet/id6777581296/reviews.md ## What is Cardugo? ZERO DATA COLLECTION, BY DESIGN Most card wallet apps include analytics SDKs, phone home on launch, or sync to a cloud you never agreed to. Cardugo contains no networking code of any kind - not disabled, just absent. Your data cannot leave your device. • Zero outbound network connections - ever • No analytics, no crash reporting, no tracking SDKs • No permissions requested - only Face ID, and only if you enable it • No account required - no email, no sign-up, no server • No cloud sync - you own your data, period REAL ENCRYPTION. NO BACKDOORS. Every sensitive field - card number, CVV, PIN, notes - is encrypted with AES-256-GCM before being written to storage. The encryption key is derived from your 6-digit PIN using PBKDF2-SHA256 with 200,000 iterations. Turn on Face ID for instant unlock - a copy of the key is sealed in the iOS Keychain and never leaves your device. Forget your PIN and there is no reset path, no recovery email, and no backdoor. That is the point. STUNNING CARD VISUALS Every card is rendered at the exact ISO 7816 credit-card dimensions. Choose from 115 real bank card themes or build your own with 3 layouts, 4 font styles, 12 background patterns, 10 gradient presets, and multiple chip and stripe styles. Fluid card flips, a stacked deck that fans open, and natural drag-to-reorder keep everything moving at a smooth pace. INTELLIGENT INPUT Cardugo suggests the issuing bank and card name from ~2,900 IIN mappings and auto-detects the payment network as you type. Real-time Luhn checksum validation catches typos before you save. BACKUP AND RESTORE Export an encrypted .cardugo backup file protected by a password of your choice - independent of your app PIN. Import merges into your existing collection without overwriting anything. WHAT YOU CAN STORE • Credit, debit, and prepaid cards • Bank accounts with routing and account numbers • Free-form encrypted notes up to 500 characters per card • Unlimited cards with drag-to-reorder 8 languages: English, Spanish, French, German, Chinese, Japanese, Portuguese, Korean. ## Key features - Zero data collection and no network connections - AES-256-GCM encryption with PBKDF2-SHA256 - Face ID integration for instant unlock - Customizable card visuals with real bank themes - Intelligent input with IIN mapping and Luhn validation - Encrypted backup and restore functionality - Support for credit, debit, bank accounts, and notes ## Frequently asked questions about Cardugo ### Does Cardugo have ads? No, Cardugo is completely ad-free. It has no advertisements, ensuring a seamless and uninterrupted user experience. ### How secure is Cardugo? Cardugo uses AES-256-GCM encryption for all sensitive data, with the encryption key derived from your PIN using PBKDF2-SHA256. Your data is stored locally and cannot leave your device. ### Can I recover my PIN if I forget it for Cardugo? No, there is no PIN recovery or reset path for Cardugo. This is a deliberate security feature to ensure your data remains inaccessible if your device is compromised. ### Does Cardugo sync with the cloud? No, Cardugo does not sync with any cloud services. All your data is stored exclusively on your device, giving you full ownership and control. ### What devices does Cardugo support? Cardugo is currently supported on iPhone devices. It was released on 2026-06-22 and last updated on 2026-06-29. ### What kind of information can I store in Cardugo? You can store credit, debit, and prepaid cards, bank accounts with routing and account numbers, and free-form encrypted notes up to 500 characters per card. ### How often is Cardugo updated? Cardugo was last updated on 2026-06-29 with version 0.1.2. The release date was 2026-06-22. ### What is the age rating for Cardugo? Cardugo has an age rating of 4+. This indicates it is suitable for a wide range of users, including children, due to its lack of mature content. ## Version history (last 4 releases) ### 0.2.1 — 2026-07-09 • More reliable Face ID / Touch ID - it stays enabled and unlocks right on launch. • Follows your system Light/Dark appearance by default. • Consistent, better-fitting layout across all iPhone sizes (SE to Pro Max). • Smoother card stacks plus back-button and tap-target polish. ### 0.1.3 — 2026-07-06 • Fixed a problem that could prevent Face ID / Touch ID from being enabled or could turn it off unexpectedly. • Stability improvements. ### 0.1.2 — 2026-06-29 • Fixed a Face ID issue that could leave you locked out • Redesigned the card appearance editor with true-to-life card previews and new background patterns. • Full translations across 8 languages. • Various polish and stability improvements. ### 0.0.10 — 2026-06-22 No release notes. --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-07-18.*