NPC vs When
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
NPC
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ＡＲ体験アプリです。 ・アプリ内からダウンロードできるＰＤＦを使ってＡＲが楽しめます。 ・360度画像、フォトフレーム、映像・音声等が楽しめます。 ・コンテンツは今後更新・追加されていきます。 ・ＡＲが体験できるイベント等をプッシュ通知でお知らせします。
When
This app offers a minimalist flip clock experience with customizable widgets. It features a full-screen display with classic page-turning animations and adjustable brightness. Personalize your time display with options for seconds, date, and week.
- Full-screen classic flip animation
- Minimalist design style
- Customizable time display (seconds, date, week)
- 12/24 hour mode switching
- Adjustable screen brightness
- Multiple widget options (Flip Clock, Digital Clock, Calendar, Progress Bar, Disc Clock)
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It is a must-have personalized posing artifact for hipsters, a must-have tool for exam preparation and study, and hard work. Eye-catching digital digital watch display, convenient for your living room, any angle of the work desk to watch the time. Full screen flip, clock display more prominent, no matter where you put it, it is a beautiful scenery. Widgets: - Flip Clock Widget - Digital Clock Widget - Friday Calendar Widget - Progress Bar Widget - Disc Clock Widget Special Features. 1, full-screen classic page animation, minimalist design style 2、Free control of the display of time: seconds, date, week is free to control the display of hidden 3, 12 and 24 hours mode switching 4, left and right slide the clock screen, adjust the brightness of the screen
Screenshots
Verdict
The clearest difference is ads: NPC at none against When's shown. When's advantage is update cadence (weekly vs every 34 months). On price, in-app purchases, device support and iOS requirement 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.
NPC ships an update every 34 months, When weekly. The most recent releases landed on September 16, 2026 and September 18, 2026 respectively.
| Parameter | NPC | When |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.7 (28 ratings) — better |
| Positive reviews | — | 90.0% of reviews |
| Number of ratings | — | 28 — better |
| Update frequency | Every 34 months | Weekly — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | — | Ad-supported |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.0 | 10.0 — better |
| Further details — not scored | ||
| Size | 127 MB | 73 MB |
| Age rating | 4+ | 4+ |
| Developer | NPC CORPORATION | 磊 岑 |
In-app purchases
NPC
No in-app purchases
When
No in-app purchases
