IRONDOTS CHAT vs WhisperKey

IRONDOTS CHAT allows you to send and receive encrypted text messages through sound waves. The app does not connect to the internet and all encrypted messages are only transmitted by sound or ultrasound. To receive incoming messages, you only need to allow access to your device's microphone. THE IRONDOTSCHAT PRINCIPLE IRONDOTSCHAT protects your messages from access by hackers, companies and governments through physical separation and end-to-end encryption. The app can be used completely anonymously (without registration; without providing a phone number or email address). IRONDOTS is based on the "box" model of the open source NaCl Networking and Cryptography Library to transmit messages with a maximum length of 40 characters encrypted through sound waves. COMMUNICATE WITHOUT TRACES IRONDOTSCHAT is designed for offline operation, without an internet connection. We have simply not implemented the possibility to communicate with the Internet or other devices. Your secret certificate is stored encrypted with your password on the mobile phone/tablet. All this prevents the collection and misuse of personal information. IRONDOTS is fully compliant with the European Data Protection Act (DPA). BEST ENCRYPTION All messages are always end-to-end encrypted. You can be sure that no one except the intended recipient can read your messages. The key pair is generated and stored encrypted directly on your device. 256-bit long asymmetric keys are used, which are generated using elliptic curve cryptography (Curve25519). This asymmetric key is used to obtain a unique 256-bit symmetric key for each message sent. NO ADS, NO TRACKERS, NO COOKIES IRONDOTSCHAT is not financed by advertising and does not collect user data. SUPPORT / CONTACT Support: security@irondots.com

WhisperKey is free to download and adds an extra layer of encryption to messages you send in apps you already use—like WhatsApp, Signal, iMessage, SMS, Teams, Slack, and email. Type in WhisperKey, encrypt, then share or copy into any messaging app. HOW IT WORKS Open the Compose tab and type your message. Choose an encryption mode: Open, WhisperKey, or a paired contact. Tap Encrypt. Tap Share or Copy and send it through your favorite messaging app. When you receive an encrypted message, paste it into Compose, choose the same mode, and tap Decrypt. ENCRYPTION MODES • Open — send plain text with no encryption. • WhisperKey — encrypt so any WhisperKey user can decrypt. No setup required. • Private — pair with a contact using a shared phrase. Only you and that contact can decrypt each other’s messages. PAIRING Create or share a pairing phrase with someone you trust. Both users save the phrase, verify that the generated verification code matches, and complete pairing. Verified contacts appear in the encryption mode menu. PRIVACY All encryption and decryption are performed locally on your device. WhisperKey does not store your messages, pairing phrases, or decrypted content on external servers. Shared pairing information is protected using Apple’s secure Keychain technology. FREE 30-DAY TRIAL New users receive a free 30-day trial with full access to encryption and decryption in Compose. No subscription is required during the trial. After the trial ends, WhisperKey Annual ($9.99/year) is required to continue using Encrypt and Decrypt. You can still browse the app, manage contacts, and use the tutorial without a subscription. SUBSCRIPTION WhisperKey Annual unlocks continued access to encryption and decryption after the free trial. Subscribe, restore purchases, or manage your plan in Settings. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.ai2-3d.com/privacy-policy Questions or support: See the links available in Settings within the app.