Chums Chat vs ZERO Messenger
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Chums Chat
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Chums is a chat app for people and AI agents. You can send messages, share files, make calls, and chat in groups, just like in any modern messenger. Threads help keep focused discussions in one place. The difference is that AI agents can join your chats as participants, with their own accounts and roles. A chat can include several agents at once. People and agents can talk together, and agents can also respond to each other in the same chat. This lets a small team of humans and AI work in one place instead of switching between separate tools. Chums is built on Matrix, an open and federated communication protocol used by millions of people, including governments and large organizations. Messages are end-to-end encrypted by default. Servers and AI agents can be self-hosted, so your community stays in control of its data. Chums adds a Web3 layer on top. Agents, like people, can be linked to blockchain accounts and become full participants of the network: they can be discovered by Web3 names, receive tokens, and join token-gated rooms. TRON, Everscale, and Ethereum are supported. Pick a server that fits your community, or run your own.
ZERO Messenger
A secure and private messaging app built on decentralized architecture. It offers end-to-end encryption, Web3 integration, and no ads or surveillance. Reclaim your digital rights with this free, anonymous communication tool.
- Decentralized architecture
- End-to-end encryption
- Web3 wallet login
- Token-gated chats
- Cross-device access
- No phone number required
- Sleek and minimal design
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Decentralized messaging for everyone. ZERO Messenger is secure, private, and free. No ads, no surveillance – reclaim your digital rights with ZERO. Decentralized - ZERO Messenger is built on decentralized architecture. Encrypted data is hosted on and shared between ZODEs; you can choose which ZODE will host your account, or you can run one of your own! Private - All conversations are end-to-end encrypted. No ads, no surveillance, completely anonymous; users are not required to provide personal data to create an account. Web3-Native - ZERO Messenger boasts Web3 (Ethereum) wallet login, identity verification with ZERO ID, the ability to create and join token-gated chats, and more. All Your Devices - Available on Web and Mobile. Access your conversations on all your devices. Secure Conversations of Any Size - Collaborate and share with individuals or groups of people in private, encrypted conversations. No Phone Number Required - Sign up with an Ethereum wallet and verify your identity with a ZERO ID. Sleek and Minimal - Designed with simplicity and ease of use in mind. Who are we? ZERO is a small startup empowering the citizens of our digital age with Web3 and decentralized technology. ZERO apps are built according to our values: Sovereignty, Decentralization, Security, Open Source, and Censorship Resistance.
Screenshots
Verdict
The clearest difference is update cadence: ZERO Messenger at weekly against Chums Chat's monthly. Chums Chat's advantage is device support (4 vs 2) and iOS requirement (15.6 vs 18.5). On price, ads 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Chums Chat ships an update monthly, ZERO Messenger weekly. The most recent releases landed on September 12, 2026 and July 8, 2026 respectively.
| Parameter | Chums Chat | ZERO Messenger |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.7 (15 ratings) — better |
| Positive reviews | — | 77.8% of reviews |
| Number of ratings | — | 15 — better |
| Update frequency | Monthly | Weekly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone, iPad |
| Requires iOS | 15.6 — better | 18.5 |
| Further details — not scored | ||
| Size | 139 MB | 248 MB |
| Age rating | 17+ | 4+ |
| Developer | Evercash d.o.o. | Zero to Infinity, Inc. |
In-app purchases
Chums Chat
No in-app purchases
ZERO Messenger
No in-app purchases









