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Opportunity brief · Nov 1, 2026

Mahina Event Calendar App

Revenue$262–2kEstimated
OpportunityNot scoredThe revenue range is wider than 3×, too uncertain to rank an opportunity on.
1–2★ ratingsnot publishedcomplaints from Mar 2023–Mar 2023, none in the last 24 months — history, not today
Build difficultyLowSimple calendar CRUD; recurring rules and optional end times are standard, no integrations or compliance.

The pitch, and what the numbers say

Mahina Event Calendar App — Event booking · https://mahina.app/

Estimated revenue: reviews × installs-per-review × paying share × entry price; every input is on the full x-ray.

Why users leave

The free diagnosis shows the top complaint. The full brief has every cluster, the build ideas and the buyers.

Missing Feature · 1 of 1 of complaints read

No recurring events; requires an end time even when the event has none.

“ALMOST what I was looking for, but doesn't allow you to set events that repeat.”

What a challenger would build

3 build ideas, each answering a complaint above — in the full brief

Closest alternatives

Who is buying right now

No public buyer thread in the same market in the last 30 days. The scanner runs every 15 minutes.

Get the full Mahina Event Calendar App brief

Full 1-star breakdown with verbatim quotes, the build blueprint and every live thread — on every product.

How to read this

Sources: the product's public listing and reviews, its published price, and public forum threads. Revenue is an estimate unless marked verified by the founder; the formula and its inputs are on the full x-ray. Complaints are grouped by a language model and each quote is a verbatim excerpt, linked to the original review. Build difficulty is a model's reading of the listing and the complaints, not a measurement. Figures are a snapshot of Nov 1, 2026. Corrections: corrections.

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