Once / ワンス（生理周期管理カレンダー）

iOS

Malang Studio Co. Ltd,

3.0

(13 total reviews)

Health & Fitness

View on App Store View Analytics

Negative Reviews

negative reviews found

What users complain about in Once / ワンス（生理周期管理カレンダー）

Users primarily complain about excessive and intrusive ads that disrupt app usage, with many reporting ads appearing after every click. Other major issues include login problems, especially with Facebook, and data loss or syncing errors across devices.

Excessive intrusive adsHigh
Login and sync issuesMedium
Data loss or corruptionLow

AI summary of 292 recent 1-3 star reviews. Read the full reviews below.

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Frequently Asked Questions

What do users complain about most in Once / ワンス（生理周期管理カレンダー）?

Negative reviews on Once / ワンス（生理周期管理カレンダー） cluster around recurring complaint patterns visible in the 1-3 star reviews above. Common themes include app crashes, missing features, billing issues, and update regressions. Browse the negative reviews on this page to see the specific issues real users in App Store are reporting.

How is Once / ワンス（生理周期管理カレンダー） rated on App Store?

Once / ワンス（生理周期管理カレンダー） has an average rating of 3.1 stars from 13 ratings on App Store. The negative review breakdown above shows the 1-3 star reviews that the headline rating averages out, grouped by complaint type so you can see what users actually struggle with.

Why does Once / ワンス（生理周期管理カレンダー） have negative reviews?

Even apps with strong overall ratings accumulate 1-3 star reviews when users hit specific issues. For Once / ワンス（生理周期管理カレンダー）, the negative reviews on this page reveal the friction points that the marketing pages and headline rating do not show. Reading the actual complaints surfaces patterns weeks before they appear in app store rating averages.

Is Once / ワンス（生理周期管理カレンダー） worth installing in 2026?

Once / ワンス（生理周期管理カレンダー） has a mixed rating of 3.1 stars. The negative reviews above are essential reading before installing because the app has substantial 1-3 star feedback that may signal structural issues.

What are alternatives to Once / ワンス（生理周期管理カレンダー）?

Browse the Health & Fitness category to compare Once / ワンス（生理周期管理カレンダー） against similar apps with their own complaint patterns. The category leaderboard ranks apps by negative review ratio so you can spot which alternatives have fewer recurring complaints.