Duo Messenger vs Graf Chat
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Duo Messenger
This secure messaging app prioritizes your privacy with end-to-end encryption and anonymous communication. It offers a clean, ad-free experience, allowing you to chat without revealing personal contact information.
- End-to-end message encryption
- Anonymous communication via Duo Numbers
- No ads or trackers
- Private contact information
- Secure data safeguarding
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Duo Messenger is your go-to secure and private messaging app. Designed with privacy at its core, Duo Messenger cares about the security of your data, ensuring it remains inaccessible to anyone else. - SECURE MESSAGE PRIVACY Duo Messenger is designed to prioritize your privacy. Your messages are encrypted end-to-end, guaranteeing that only you and your intended recipient can access them. Duo Messenger ensures that every message is safeguarded from illegal decryption or unauthorized access. Duo Messenger's advanced security measures always maintain the confidentiality and integrity of your communications at all times. - GUARANTEE USER ANONYMITY Duo Messenger is dedicated to providing complete anonymity to its users. Each user is given a unique Duo Number, which allows you to chat with others without revealing your phone number or email address. While you can access your account using your phone number or email, this information remains private and cannot be accessed by anyone else in any way. - NO ADS, NO TRACKERS Duo Messenger is completely ad-free, providing a smooth and clean user experience. You can enjoy uninterrupted and focused communication without the distraction of advertisements. Additionally, Duo Messenger does not track user activity within the app or share user data with third parties. Customer Service: support@duomessenger.app --- Terms: https://duomessenger.app/terms.html
Graf Chat
A secure messaging app prioritizing privacy with end-to-end encryption and no phone number requirement. It offers biometric app lock and screenshot protection, with tools to block and report abuse.
- End-to-end encrypted chats
- No phone number required for sign-up
- Biometric app lock
- Screenshot protection
- Block and report tools
- Interoperable with Matrix homeservers
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Graf is a security-first private messenger built on the open Matrix protocol. - Username sign-up, no phone number required - End-to-end encrypted 1:1 chats (you hold the keys) - Biometric app lock and screenshot protection - Block and report tools; zero tolerance for abuse - Talk to anyone on Graf or any Matrix homeserver Private by default. We can't read your messages.
Screenshots
Verdict
The clearest difference is rating: Graf Chat at 5.0 against Duo Messenger's 2.3. Graf Chat also leads on update cadence (every 2 days vs every 9 days). Duo Messenger's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On price, review sentiment, ratings volume and ads 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. Neither carries in-app purchases, so what you see is what you pay.
Graf Chat holds the better App Store score, 5.0 against 2.3. Both are backed by a comparable volume of ratings — 3 and 3 respectively. Written reviews split almost evenly too, at 100% and 100% positive.
Duo Messenger ships an update every 9 days, Graf Chat every 2 days. The most recent releases landed on August 16, 2026 and September 18, 2026 respectively.
| Parameter | Duo Messenger | Graf Chat |
|---|---|---|
| Price | Free | Free |
| Rating | 2.3 (3 ratings) | 5.0 (3 ratings) — better |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 3 | 3 |
| Update frequency | Every 9 days | Every 2 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 44 MB | 154 MB |
| Age rating | 4+ | 17+ |
| Developer | JUSI PTE.LTD. | Venture Deals, Co. |
Customer experience
Duo Messenger
Graf Chat
In-app purchases
Duo Messenger
No in-app purchases
Graf Chat
No in-app purchases









