Tello Messenger vs Zerogram
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Tello Messenger
An all-in-one messaging platform offering secure text, image, and voice messaging, alongside HD voice and video calls. It facilitates group chats, team collaboration, and community building with features like AI assistance and self-destructing messages.
- Advanced messaging (text, images, voice notes)
- HD voice and video calls
- Group chats and team collaboration
- End-to-end encryption
- Customizable interface
- AI assistant and smart bots
- Public groups and community features
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TELLO - Where Conversations Happen Welcome to TELLO, your all-in-one messaging platform for smart, seamless, and secure communication. Key Features: - Advanced Messaging: Send text messages, high-quality images, and voice notes quickly and reliably. - Voice and Video Calls: Enjoy HD call quality with stable and clear connections worldwide. - Group Chats and Team Collaboration: Create group chats for friends, family, or work. Share files and manage tasks easily. - End-to-End Encryption: All chats, calls, and files are protected with strong encryption. - Customizable Interface: Choose themes, backgrounds, and sounds to make TELLO your own. - AI Assistant and Smart Bots: Manage your schedule, get reminders, and more directly within your chats. - Public Groups and Community: Join groups by interest or industry. Share ideas and grow your network. Privacy and Safety: - Self-Destruct Messages: Send confidential information with messages that auto-delete. - Spam Protection and Verified Users: Stay safe with advanced spam filters and user verification. - Parental Controls: Set limits and filters to protect younger users. Download TELLO now and transform the way you connect and collaborate.
Zerogram
This is a free, independent Telegram client designed for blind and low-vision users. It offers full compatibility with screen readers, allowing seamless communication through chats, groups, and channels.
- Screen reader compatibility
- Secure login
- Full chat functionality
- Voice message recording
- Media and document sharing
- Message management
- Customizable appearance
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Zerogram is an independent Telegram client designed for blind and low-vision users. Built with Telegram’s official open-source TDLib library, it works with your Telegram account and conversations. VoiceOver labels, hints and actions help you navigate chats, groups, channels and bots; read, reply to, edit and forward messages; send voice messages, photos, videos and files; and use supported calls and live streams. Explore chat folders, search, translation, notification sounds, storage settings and appearance options. Zerogram supports 15 interface languages. The app is free to download. Adding multiple accounts is available as an optional in-app purchase. Zerogram is an independent app and is not the official Telegram application.
Screenshots
Verdict
The clearest difference is rating: Tello Messenger at 5.0 against Zerogram's 4.4. Tello Messenger also leads on in-app purchases (none vs 1). Zerogram's advantage is update cadence (daily vs every 3 weeks) and ratings volume (16 vs 2). On price, ads, monetization model 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. Zerogram sells 1 one-off in-app purchase. Tello Messenger asks for nothing beyond the download.
Tello Messenger holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: Zerogram has 16 ratings behind it against 2, so its average is the more settled of the two.
Tello Messenger ships an update every 3 weeks, Zerogram daily. The most recent releases landed on October 28, 2026 and October 29, 2026 respectively.
| Parameter | Tello Messenger | Zerogram |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | 4.4 (16 ratings) |
| Positive reviews | — | 70.0% of reviews |
| Number of ratings | 2 | 16 — better |
| Update frequency | Every 3 weeks | Daily — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 16 | 16.0 |
| Further details — not scored | ||
| Size | 44 MB | 194 MB |
| Age rating | 17+ | 17+ |
| Developer | EVER SUCCEEDED GLOBAL TLD, INC. | MERIC KARACA |
Customer experience
Tello Messenger
Zerogram
In-app purchases
Tello Messenger
No in-app purchases
Zerogram
- Multiple Accounts$9.99









