OnlyDay
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OnlyDay connects people worldwide – safe and authentic. Private chats are end-to-end encrypted and deleted 24 hours after reading, group messages disappear after 24 hours. Plus voice messages, calls, Onlys and Moments.
PH · launched Oct 27, 2026 · 1 upvote (top 67%) · 0 views
Niche: private and secure messaging apps · 144 launches, 10 in the last 7 days ▼ -41% · Explore this niche →
Category and tags
- Horizontal
- Communication
- B2C
- Not AI
- Commercial product
- Productivity
- Messaging
- Privacy
Visit website ↗ Source listing ↗
More like this: all 144 launches in private and secure messaging apps →
Could you build this?
Partial The app UI, feeds, and 24-hour deletion logic are standard, but end-to-end encrypted messaging, voice and video calls, and social scale require real-time infrastructure and security expertise.
What it would actually take: Build native mobile clients plus a backend for accounts, feeds, and messaging, with the Signal protocol or a similar E2EE library for private chats and WebRTC for calls. Scheduled deletion and group expiry need careful server design. The hard parts are the cryptography, reliable real-time delivery at scale, and content moderation, which call for experienced security and infrastructure engineers.
Competitors
Other products that read as similar to this one : 451 launches clear the similarity bar, closest 8 shown.
Attention rank: #231 of 452 (itself plus its competitors, highest first, normalized so YC and Product Hunt are compared fairly).
Launched 299 days after the earliest competitor.
- SAME · ph · 2026-09-12 · 1 upvotes · similarity 0.51
- Porch · ph · 2026-10-07 · 2 upvotes · similarity 0.50
- AnonyChat · ph · 2026-10-01 · 1 upvotes · similarity 0.48
- EM Keep · ph · 2026-10-24 · 2 upvotes · similarity 0.47
- Reachout · ph · 2026-11-06 · 1 upvotes · similarity 0.46
- afterthat · ph · 2026-10-28 · 1 upvotes · similarity 0.46
- Blender · ph · 2026-10-11 · 1 upvotes · similarity 0.46
- World Friends · ph · 2026-10-09 · 1 upvotes · similarity 0.46
The niche, labels, vibe code rating and competitor comparison on this page are analysis by Nicheloom. If you use them, please credit nicheloom.com. How you may use our data.