Utopia vs Deftersiz | Private Chat
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Utopia
This app offers a private and secure messaging experience through a decentralized peer-to-peer network. It prioritizes user control and data sovereignty by eliminating central servers and requiring no personal identification for registration. Enjoy end-to-end encryption and metadata protection for all your communications.
- Decentralized P2P architecture
- Advanced cryptography (Curve25519)
- Metadata shielding
- Encrypted local vault
- No email or phone number required
- Unified secure ecosystem
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Utopia Messenger is a breakthrough decentralized and private P2P ecosystem with no central server involved in data transmission or storage. Built on a unique peer-to-peer architecture, Utopia Messenger ensures that your digital footprint remains under your complete control. Introducing Utopia Messenger: the ultimate private communication platform that respects your personal boundaries. With Utopia, there's no need to provide your email or phone number. As a fully decentralized network with no intermediary servers, Utopia Messenger ensures your messages stay private, secure, and direct. Experience a new standard of digital sovereignty thanks to the unique nature of the Utopia protocol. Say goodbye to centralized data harvesting and hello to the next generation of secure messaging. Utopia Messenger is a high-security environment designed for professional and personal use without traditional user identification. For registration, you don’t need a phone number, SMS approval, ID card, or email address. Everything you need is to create a secure profile and invite your contacts to a protected space. Core Technical Features: Advanced Cryptography: All data within Utopia Messenger is protected with high-speed elliptic curve cryptography (Curve25519), ensuring that only the intended recipient can access your messages. Decentralized P2P Architecture: Experience direct device-to-device connectivity. Utopia Messenger’s unique protocol ensures stable performance and instant delivery without relying on central storage or third-party hubs. Metadata Shielding: By eliminating central servers, Utopia Messenger protects your communication metadata – including your IP address and connection patterns – from external surveillance. Encrypted Local Vault: Your message history and files are stored in an encrypted vault directly on your device, accessible only to you via your private key. Unified Secure Ecosystem: Send instant messages, transfer files, create group chats, and manage news feeds within a single, protected environment. Why Choose Utopia Messenger? Utopia Messenger eliminates the risks associated with centralized data storage. By using a distributed network, your information is never held on a central server, significantly reducing the surface for data breaches and ensuring your communication remains truly personal. Whether you are conducting a private discussion, sharing sensitive files, or managing a community channel, Utopia Messenger provides a full-fledged environment with a higher level of security and complete decentralization. How It Works: 1. Create a username and password to sign in – no email or phone number required 2. Get your Public Key and uCode from the Settings page, this is how others will find you 3. Add contacts by searching for their Public Keys 4. Start messaging Check us out on the web: https://u.is
Deftersiz | Private Chat
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Two people. One notebook. Just now. Deftersiz is a live chat app for you and someone you invite. Paper textures and a handwritten look bring the feeling of a school notebook to your conversation. OPEN A NOTEBOOK Choose a session lasting 1, 5 or 10 minutes. Share the six-digit invitation code. Already have a code? Enter it to join. WRITE TOGETHER One person writes on graph paper, the other on lined paper. See each other’s words in real time and write at the same time. WORDS DISAPPEAR ONE BY ONE Choose a word lifetime of 3, 5, 10 or 15 seconds. Each word disappears when its own time is up. The room closes when the notebook timer ends. The app does not create a chat history you can return to read. LITTLE DETAILS Turn on soft pencil sounds. Use two nudges per conversation to shake the notebook. See who is online and how much time remains. Available in Turkish, English, German, Russian, French and Arabic. CREDITS Opening a notebook uses 1 credit. Start with 1 credit. Every 24 hours, get 1 free credit if your balance is zero; daily credits do not stack. Joining by code is free. Watch an optional rewarded ad to earn 1 credit. For adults aged 18 and over. Internet required. Share your code only with the person you want to invite. Disappearing words do not guarantee that another person cannot record the content by other means. Support: ciancodee@gmail.com
Screenshots
Verdict
The clearest difference is ads: Utopia at none against Deftersiz | Private Chat's shown. On price, in-app purchases, device support and iOS requirement 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.
| Parameter | Utopia | Deftersiz | Private Chat |
|---|---|---|
| Price | Free | Free |
| Rating | 4.2 (28 ratings) — better | — |
| Positive reviews | 69.2% of reviews | — |
| Number of ratings | 28 — better | — |
| Update frequency | Every 4 weeks | — |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 17.0 | 16.4 — better |
| Further details — not scored | ||
| Size | 193 MB | 41 MB |
| Age rating | 17+ | 17+ |
| Developer | Duong Hoang | Cihan Alison |
In-app purchases
Utopia
No in-app purchases
Deftersiz | Private Chat
No in-app purchases









