GitSpace vs ZERO Messenger
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
GitSpace
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■ Star & Tag - You can manage your starred repositories on GitHub. - You can categorize a large amount of repositories under given tags. ■ Knock - The "Knock" feature enables free networking among GitHub users. - You can start a chat by sending Knock message to GitHub users you follow or to contributors of your starred repositories. ■ Chat - You can start your chat once the Knock is accepted. - Chat with repository contributors in real time! ■ GitHub Profile - Check and manage the GitHub profile you logged in to. Communicate with contributors of repositories you have starred on GitSpace. Let's GitSpace-!
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 GitSpace's every 2 months. GitSpace's advantage is iOS requirement (15.0 vs 18.5). On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
GitSpace ships an update every 2 months, ZERO Messenger weekly. The most recent releases landed on October 5, 2026 and September 30, 2026 respectively.
| Parameter | GitSpace | ZERO Messenger |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.7 (15 ratings) — better |
| Positive reviews | — | 77.8% of reviews |
| Number of ratings | — | 15 — better |
| Update frequency | Every 2 months | Weekly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 15.0 — better | 18.5 |
| Further details — not scored | ||
| Size | 17 MB | 248 MB |
| Age rating | 4+ | 4+ |
| Developer | Hanho Choi | Zero to Infinity, Inc. |
In-app purchases
GitSpace
No in-app purchases
ZERO Messenger
No in-app purchases









