Off vs Hermes Private Messenger
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Off
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Off-Grid is a secure, serverless messenger built for people who take privacy seriously. Messages travel peer-to-peer over Bluetooth mesh — no servers, no accounts, no logs. When you send a message, it hops through nearby devices to reach its destination. Nothing touches the internet. SECURE BY · End-to-end encrypted with AES-256-GCM · Zero metadata — no sender, no timestamp, no read receipts stored anywhere · Messages exist only in RAM — close the app, they're gone · No account registration, no phone number, no email MESH NETWORKING · Works without Wi-Fi or cellular · Range extends through every device running DataSec nearby · Location-based channels let you communicate with people in the same area · Direct encrypted messages to specific peers ENCRYPTED VOICE CALLS (Pro) · Real-time P2P encrypted voice calls · Voice effects — Deep, High, Robot · No call servers log your conversations OPERATIONAL SECURITY · PIN lock with biometric authentication · Lockout after failed attempts — survives app kill · Auto identity rotation — randomizes your alias every 4 seconds · Panic wipe DataSec does not have access to your messages. We cannot read them, hand them over, or be compelled to produce them. There is nothing to produce. This software is subject to U.S. export control laws (EAR). ECCN 5D002, CCATS Z1894258. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Hermes Private Messenger
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Hermes keeps private chats, groups, linked devices, push notifications, session recovery, and local privacy controls in one focused messenger.
Screenshots
Verdict
The clearest difference is in-app purchases: Hermes Private Messenger at none against Off's 2. Hermes Private Messenger also leads on iOS requirement (17.6 vs 26.2). On price, ads and device support 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
Both are free to download. Off sells 2 in-app purchases, starting at $4.99 per 7 days. Hermes Private Messenger asks for nothing beyond the download.
| Parameter | Off | Hermes Private Messenger |
|---|---|---|
| Price | Free | Free |
| Update frequency | — | Monthly |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 26.2 | 17.6 — better |
| Further details — not scored | ||
| Size | 15 MB | 813 MB |
| Age rating | 4+ | 17+ |
| Developer | Adham Qurbonov | Enrique Ivars |
In-app purchases
Off
- DataSec Pro Monthly$4.997 Days
- DataSec Pro Yearly3 Days trial$29.991 Year
Hermes Private Messenger
No in-app purchases









