Call and Message Issues on Zalo
Users frequently experience issues with missed calls and messages on the app, often requiring them to reopen the application to respond. This results in significant frustration due to the unreliability of notifications and communication features.
8 people in 8 posts across 1 source · demand low, pain moderate, competition low
The pain
shares of 8 quoted postsWhat goes wrong, and for whom
- Who
- 8 people using Zalo
- What goes wrong
- Doesn't work38% of posts
- How bad
- 100% of posts are complaints · pain score moderate (45/100)
- Since
- 24 Aug 2026 → 18 Sept 2026
Is this a startup idea?
Not directly. These are complaints about a product or service people already use — the fix belongs first to that provider.
- Complaints are about
- Zalo
- Looking for something else
- 0% want an alternative · 0% ask the provider for a feature
- What the numbers say
- Almost nobody is looking for a different product — people want this provider to fix it, not a new option.
The pain — what people say
Their asks, who is writing, and the posts themselves
What people were doing
Every post behind this page, by what its author was doing — and when each one was written
- Complaint8100%
Sources
8 signals · 1 sources
Evidence
Raw public posts behind this opportunity — click through to the original
Zalo — Cuộc gọi Hay bị lỗi mặc dù có mạng nhưng đôi khi người khác gọi cho mình không được cần khắc phục
Doesn't workZalo — Lỗi ứng dụng Thường xuyên bị lỗi cuộc gọi và tin nhắn.
Doesn't workZalo — Lỗi Động tý là lỗi, nhắn tin không gửi được
Doesn't workZalo — Lỗi Zalo lỗi ko nhận được cuộc gọi và tin nhắn, chỉ khi vào zalo mới thấy có cuộc gọi nhỡ
Zalo — Lỗi nhắn thoại Tôi thật bức xúc khi nghe đoạn nhắn thoại xong không nhắn thoại lại được, phải đóng app xong mới nhắn lại được, quá là bất tiện
Market and score
Products already there, how the score moved, and what it is made of
Opportunity history
Every score change is stored as a snapshot — click a sub-score to overlay it
Why did it move?
Score 49.8 → 46.5 · 24 Sept 2026, 05:00 → 06:15 UTC
How the score was measured39 measured values behind the seven sub-scores · each shows the value, then the points it earned out of 100Show ↓Hide ↑
Questions about this idea
- Is Call and Message Issues on Zalo a startup idea?
- Not directly. These are complaints about a product or service people already use, and the fix belongs first to that provider. The page shows what is frustrating users and how badly — not an open market to start a company in.
- How many people have this problem?
- 8 different people described it independently, in 8 mentions, the earliest from 24 Aug 2026 and the most recent from 18 Sept 2026. The quotes, with dates and links to the originals, are in the Evidence section.
- Is this problem getting worse?
- Current status: emerging — newly appearing in the evidence. Momentum is 73/100, measured as how often it is mentioned recently compared with before.
Adjacent opportunities
Nearest neighbours by embedding similarity
Discussion
Written by readers. Not part of the evidence above and not counted in any score.
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