StampCalender vs マナーSOS
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
StampCalender
Organize your schedule with decorative stamps. Drag and drop stamps onto your calendar to mark appointments and events. Easily view your plans at a glance and prioritize important tasks.
- Drag-and-drop stamp scheduling
- Visual calendar overview
- Icon sorting for prioritization
- Appointment planning
- Schedule at a glance
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Deco Stamp calendar is for women. Put an appointment by dragging the deco stamps. The stamp appears on the calendar, you can check the schedule at a glance. I can sort icons, you can plan an important priority to be displayed.
マナーSOS
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■ マナーSOSとは 冠婚葬祭から日常まで、困ったときにすぐマナーを確認できる辞典アプリです。 ■ 主な機能 ・6カテゴリ・35項目のマナー収録 ・キーワード検索 ・ブックマーク機能 ・各マナーの実践ポイント付き ■ こんな方におすすめ ・冠婚葬祭のマナーに不安がある方 ・ビジネスマナーを確認したい方 ・いざという時にすぐマナーを調べたい方
Screenshots
Verdict
The clearest difference is ads: マナーSOS at none against StampCalender's shown. マナーSOS also leads on update cadence (every 10 days vs every 5 months). StampCalender's advantage is iOS requirement (15.6 vs 17.0). On price, in-app purchases and device support 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.
StampCalender ships an update every 5 months, マナーSOS every 10 days. The most recent releases landed on October 17, 2026 and October 11, 2026 respectively.
| Parameter | StampCalender | マナーSOS |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (5 ratings) — better | — |
| Positive reviews | 53.2% of reviews | — |
| Number of ratings | 5 — better | — |
| Update frequency | Every 5 months | Every 10 days — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 15.6 — better | 17.0 |
| Further details — not scored | ||
| Size | 51 MB | 9 MB |
| Age rating | 4+ | 4+ |
| Developer | ZAIZEN Co., Ltd. | SANWA Inc. |
In-app purchases
StampCalender
No in-app purchases
マナーSOS
No in-app purchases
