StampCalender vs Catendar
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.
Catendar
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Catendar is a cute cat shift calendar for nurses and every shift worker, with a simple budget diary built in. Shift schedule See Day, Evening, Night and Off at a glance, each in its own color. Add and rename shift types however your job needs. Fill a repeating rotation across the month in one go with Pattern Fill. A calendar that fits on one screen Under the calendar you get a summary of the selected day's schedule and money, plus this month's totals. Tap a line to open the full list. Income and expense ledger Pick a category such as Food, Cafe, Transport or Home and the entry saves without typing anything else. Daily income and expenses are totaled by month automatically. Choose won, dollar, yen, yuan, Taiwan dollar or euro. Monthly report Your shifts by type, this month's income, spending and top spending categories on one card you can save and share as an image. Schedules and notes Record appointments, clinic visits and to-dos by date, with a reminder at the time you choose. Your own cat Pick one of eight cats for the home screen and the calendar greeting. A new title is chosen on the 1st of each month based on last month's activity. Share and back up Turn this month's shift table into an image to send to a friend. Export and import a backup file so your records move with you to a new device. Local notifications Reminders for shifts, appointments and notes fire on the device itself and never pass through a server. Seven languages Korean, English, Japanese, Simplified Chinese, Traditional Chinese, Spanish and French, switchable inside the app at any time. No account is needed, and every record stays on your device.
Screenshots
Verdict
The clearest difference is update cadence: Catendar at every 4 days against StampCalender's every 5 months. StampCalender's advantage is iOS requirement (15.6 vs 17.0). On price, ads, 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, Catendar every 4 days. The most recent releases landed on October 17, 2026 and October 8, 2026 respectively.
| Parameter | StampCalender | Catendar |
|---|---|---|
| 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 4 days — better |
| Ads | Yes | Yes |
| In-app purchases | No | No |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 15.6 — better | 17.0 |
| Further details — not scored | ||
| Size | 51 MB | 11 MB |
| Age rating | 4+ | 4+ |
| Developer | ZAIZEN Co., Ltd. | Bumjoon Lee |
In-app purchases
StampCalender
No in-app purchases
Catendar
No in-app purchases









