Red Calendar 2026 vs 공수계산기
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Red Calendar 2026
This app simplifies event logging with quick taps for simple entries and long presses for more options. It highlights public holidays and recurring events, offers customization like background images, and supports dark mode and widgets.
- Quick event registration
- Recurring event saving
- Annual calendar view for holidays
- Customizable background images
- Dark mode and widgets support
- International holiday calendars
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• 40k reviews / Rating 4.7 • 500k cumulative downloads The Easiest Calendar App for Logging Events: "Red Calendar" An intuitive calendar app where you can easily see public holidays. "Red Calendar" - See Red Days at a Glance The simplest calendar app in the world, "Red Calendar" • Tap a date once to quickly save the simplest event • Long press a date to access a variety of event options • Save recurring events monthly or yearly • View red days at a glance with the annual calendar • Set your background image to match your taste • Save your calendar as an image and set it as your phone background • Supports dark mode and widgets • Supports calendars from various countries with public holidays • Support for various global holiday calendars 1. Truly Simple Event Registration: Now you can skip complicated times and notifications when adding an event! Simply tap a date to add a quick event or memo. For continuous events like vacations, long press to add them 2. Even Simpler Event Options: Long press a date to change the color of your event. Want to emphasize a specific event? Use the highlight feature! For recurring events like birthdays, anniversaries, or payday, use the repeat event feature 3. Annual Calendar: Wondering when the red days are this year? Don’t check month by month—just tap the annual calendar button in the top left corner of the app 4. Supports Dark Mode and Widgets: View your calendar in dark mode to avoid straining your eyes. Of course, you can always set it to dark or light mode, regardless of system settings. Check out the newly added widgets as well 5. See Red Days at a Glance: Quickly check public holidays and substitute holidays. Use the annual calendar to instantly see when the days off are throughout the year. Curious about holidays abroad? Explore and stay updated with a wide variety of international holidays we support. Please leave a rating and share any features you’d like to see or any issues you’ve encountered in your review. The developer personally checks them and will leave a reply :D Thank you for using Red Calendar! Red Calendar Pro Version: Remove the bottom ads to use the calendar more freely Red Calendar is a free app that offers a variety of features to make the easiest calendar app possible. For those who want a more powerful experience and a happier day or month, we offer additional features as a premium service. Of course, the free features alone are strong enough to provide a powerful experience. Payment will be charged to your Apple ID account upon purchase confirmation. Subscriptions will automatically renew unless canceled at least 24 hours before the end of the current period. Renewal will be charged within 24 hours before the current period ends. After subscribing, you can manage and cancel subscriptions in your App Store account settings Terms of Service: https://redcalendar-7d563.web.app/terms.html Privacy Policy: https://redcalendar-7d563.web.app/privacy-policy.html Contact: +82-10-2976-9889 Email: blackturtle2@gmail.com
공수계산기
This app helps daily laborers record and manage their daily work hours and wages. It simplifies tracking income and expenses for manual labor jobs.
- Daily work hour recording
- Wage calculation
- Income and expense management
- Laborer-focused tool
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매일의 공수를 기록하고 관리해주는 계산기입니다.
Screenshots
Verdict
The clearest difference is review sentiment: Red Calendar 2026 at 92% against 공수계산기's 47%. 공수계산기's advantage is in-app purchases (none vs 2) and iOS requirement (15.6 vs 18.0). On price, update cadence, ads 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. Red Calendar 2026 sells 2 in-app purchases, starting at $1.99 per month. 공수계산기 asks for nothing beyond the download.
Both ship on a similar rhythm, roughly every 2 weeks. The most recent releases landed on November 7, 2026 and November 4, 2026 respectively.
| Parameter | Red Calendar 2026 | 공수계산기 |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (670 ratings) — better | — |
| Positive reviews | 92.3% of reviews — better | 47.1% of reviews |
| Number of ratings | 670 — better | — |
| Update frequency | Every 2 weeks | Every 2 weeks |
| Ads | Yes | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Ad-supported — better |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 18.0 | 15.6 — better |
| Further details — not scored | ||
| Size | 91 MB | 55 MB |
| Age rating | 4+ | 17+ |
| Developer | jaesung Lee | YONGGUN KWON |
Customer experience
Red Calendar 2026
공수계산기
In-app purchases
Red Calendar 2026
- Monthly Pro Subscription$1.991 Month
- Yearly Pro Subscription$9.991 Year
공수계산기
No in-app purchases








