Comparison

Proofn vs Halonex Mail

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Proofn

This app allows users to edit or delete unread emails and group messages, even after sending. It also supports inline video, photo, and voice note attachments, offering enhanced privacy and control over communications.

Highlights
  • Edit unread emails and attachments
  • Delete unread messages
  • Inline video, photo, and voice note attachments
  • Private group messaging
  • End-to-end and zero-access encryption
  • Organize messages by sender or group
Read full description

Correct your mistakes forever in unread emails, group messages, and attachments when you and your recipients create free @Proofn accounts. To err is human. That is why more people prefer to email and chat on the free Proofn app. * Create your @proofn.com email account and email your contacts. Their replies will go to your inbox. * Your emails contain signup links in the signatures so others can use Proofn. * When you email their Proofn accounts, they become your Proofn contacts. TAKE CONTROL AFTER YOU HIT “SEND”- until your recipients read your email. * Retrieve and edit any unread email and/or attachment you sent to your Proofn contacts, or delete the message entirely. * Meet deadlines. Your edits won’t change the original email timestamp or its place in a recipient’s inbox. Emails are always read as original and on time. NEVER STRUGGLE- with what to write in your email again. * Recall and update private personalized notes about any Proofn contact while you email them. CREATE AND MANAGE PRIVATE GROUPS- with your Proofn contacts. * Send group messages directly to their inboxes. * Retrieve and edit any unread group message and/or attachment you sent, or delete the group message entirely. * Meet group deadlines. Your edits won’t change the original group message timestamp or its place in their inboxes. Group messages are always read as original and on time. * Only unread emails and group messages are editable and deletable. So there’s no gaslighting risk. * Effortlessly eliminate email and group messages that impede collaboration. EXPRESS YOUR TRUE SELF- make every email and group message you send more personal and meaningful. * Add PeekviewsTM-short inline video attachments that silently autoplay to your emails and group messages. * Take photos on Proofn to add as inline attachments in your emails and group messages. * Record and attach voice notes to your emails and group messages. * Add or remove inline/regular attachments and voice notes (including PeekViews) in any unread email and group message you sent. COMMUNICATE PRIVATELY AND MORE EFFICIENTLY -when you email or chat with individuals and groups. * Want to chat? Toggle chat mode. * Swipe through messages seamlessly. * Convert emails and group messages to easy-to-print PDFs. * Proofn® organizes emails by the sender's name, group name, and non-Proofn email address, so it’s easier to find the message you’re looking for. * Create new folders for related emails and group messages so they are easier to find. * Your communications are always safe with both end-to-end and zero-access encryption for unmatched privacy.

About

Halonex Mail

Read full description

Halonex™ Mail: Privacy-First Enterprise Email Halonex™ Mail is a secure, privacy-first email client built exclusively for institutional and corporate accounts. Designed with military-grade encryption, zero third-party trackers, and full compliance with India's Digital Personal Data Protection (DPDP) Act 2023, Halonex™ Mail puts your professional privacy back in your hands. Built for Security. Not Surveillance. Unlike mainstream email apps, Halonex™ Mail collects zero analytics, integrates zero ad networks, and transmits zero data to third parties. Every email, draft, and credential is encrypted with AES-256 on your device—protected by hardware-backed keys within the Secure Enclave. Encryption Everywhere AES-256 Encrypted Local Database: Powered by SQLCipher for all emails and metadata. Hardware-Backed Credentials: Encrypted via the iOS Keychain using specialized security chips. TLS 1.3 with Certificate Pinning: Neutralizes man-in-the-middle attacks even if a rogue root certificate is present on the device. Zero Plaintext: No unencrypted data is ever written to disk. Real-Time Phishing Protection Powered by Halonex™ Vanta, every email is scanned for malicious links using privacy-preserving SHA-256 hash lookups. Only cryptographic hashes of domains are sent—never your email content. Phishing threats are flagged with a clear visual warning before you click. Local-First Architecture Emails load instantly from your encrypted local database. Background sync keeps your inbox updated every 15 minutes (consent required), while foreground sync refreshes every 60 seconds. Move, delete, or star emails offline; actions replay automatically once connectivity returns. Biometric App Lock Secure your inbox behind Face ID or Touch ID. Features a configurable inactivity timeout and utilizes Apple’s most secure biometric authentication standards. Runtime Security & Integrity Jailbreak and emulator detection. Hooking framework and anti-tamper verification. Screen Protection: Prevents unauthorized screen recording and captures. Secure Clipboard: Auto-clears after 60 seconds and wipes upon app backgrounding. Memory Hygiene: Sensitive data is wiped from memory immediately after use. Zero Logging: Production builds are stripped of all diagnostic logs. Full Email Functionality IMAP/SMTP over TLS with strict certificate validation. Complete folder management (Inbox, Sent, Drafts, Trash, Spam). Rich text formatting for compose, reply, and forward. Global mailbox search and smart notifications. Lock-Screen Privacy: Email content is hidden on the lock screen for maximum discretion. What We Don't Do No Analytics or tracking SDKs. No ad networks or crash reporting services. No access to Location, Contacts, Camera, or Microphone. No device identifiers collected. No cloud backups of your private data. Designed for Enterprises: Halonex™ Mail works exclusively with pre-provisioned institutional accounts. Log in with your organization-provided credentials and start communicating securely. Architected for DPDP Act 2023 Compliance | Secured by Halonex™

Screenshots

Proofn4 screens

Verdict

The call

The clearest difference is device support: Proofn at 2 against Halonex Mail's —. Halonex Mail's advantage is iOS requirement (18.6 vs 26.0). On price and in-app purchases there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Scorecard2 real differences · 7 level
Proofn versus Halonex Mail: the parameters behind the verdict, then further details
ParameterProofnHalonex Mail
PriceFreeFree
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyEvery 4 weeks—
AdsNo—
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad — better—
Requires iOS26.018.6 — better
Further details — not scored
Size35 MB8 MB
Age rating17+4+
DeveloperMyabuy, LLCHalonex Labs Private Limited

In-app purchases

None

Proofn

No in-app purchases

None

Halonex Mail

No in-app purchases

Questions

Is Proofn free?
Proofn is free to download, with no in-app purchases.
Is Halonex Mail free?
Halonex Mail is free to download, with no in-app purchases.

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