Check Calendar vs Chek!
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Check Calendar
Track your daily habits by marking them on a calendar with one-tap check-offs. Customize your experience with notes, unlimited categories, emojis, and color themes. Visualize progress with reports and receive timely notifications to stay on track.
- One-tap calendar check-offs
- Unlimited habit categories
- Customizable emojis and colors
- Progress reports and graphs
- Notifications and reminders
- Data backup and restore
- Widget support
Read full descriptionHide full description
Check Calendar is an app that lets you track your habits by marking them off on a calendar. It's packed with features like one-tap check-offs, notes, unlimited tabs, emojis, reports, notifications, backup & restore, widgets, dark mode, and more. ■ Check off on the calendar Track your habits by checking them off on the calendar with a single tap. ■ Notes Supports both short and long notes! Write freely to keep your records. ■ Unlimited tabs Create unlimited categories like "Workout," "Study," and "Reading." ■ Emojis Change your checkmark to any emoji you like. ■ Checkmark color Change your checkmark to any color you like. ■ Reports Visualize your habit progress with graphs. You can freely change the time range, such as "Last 7 days," "Last 28 days," or "Last 6 months." ■ History View your check-off history, a list of past notes, and more. ■ Notifications Send notifications at any time with any message you choose. Use them so you never forget your habits. ■ Backup / Restore Automatically back up and restore your data. You can transfer your data even across different devices. ■ Widget Check off on the calendar and view your totals right from the widget, without opening the app. You can also use the report widget to quickly check your cumulative, this month, and last month check-off counts. ■ Dark mode Choose your theme from "Light mode," "Dark mode," or "Switch automatically based on device settings." ■ Color theme Change the background color to any color you like. ■ Archive Hide calendars you don't want to see by archiving them. ■ Biometric authentication Supports Face ID and Touch ID. Keep your important records safe and secure. ■ CSV export Export an individual calendar or all of your data in CSV format. ■ Check count Freely set how many times you can check off per day. ■ Security Your data is stored only on your device. It is never sent to third parties. ■ No login required Start using the app right away without signing in. ■ Offline support Works even without an internet connection. ■ Privacy Policy https://checkcalendar.app/privacy-policy ■ Contact If you have any requests or questions, please feel free to reach out through the in-app contact form or via the email address below. info@checkcalendar.app
Chek!
Read full descriptionHide full description
¿Alguna vez saliste de tu casa y a las pocas cuadras te invadió esa duda molesta de "¿habré cerrado el gas?" o "¿desenchufé la plancha?"? Con Chek!, transformá el caos diario en tranquilidad y control absoluto. Chek! no es una aplicación de agenda común y corriente. Es tu copiloto diario, diseñado específicamente para optimizar tus tiempos y darte la paz mental que necesitás antes de cruzar la puerta. Combinamos una agenda ágil con un sistema inteligente de listas de control para que dejes las preocupaciones atrás y te enfoques en lo que de verdad importa. LO QUE HACE A CHEK! ÚNICA: -Listas de Chequeo para Salir Tranquilo (Paz Mental): Creá tus propias rutinas de verificación antes de salir de casa o de la oficina. Tildá de forma rápida tareas críticas de seguridad: apagar luces, cerrar llaves de paso, revisar ventanas o desenchufar electrodomésticos. Puedes usar el modo lista para cualquier tipo de lista que necesites (viajes, supermercado, etc.). Las opciones son infinitas. -Agenda Diaria y Gestión de Tareas: Organizá tu día, planificá tu semana y priorizá tus responsabilidades con una interfaz limpia, intuitiva y libre de fricciones. Diseñada para que cargues y completes tus pendientes en segundos, sin complicaciones burocráticas. -Enfoque en Productividad Real: Clasificá tus actividades y visualizá tus objetivos del día a golpe de vista. Minimizá la procrastinación y el estrés diario mediante un sistema visual estructurado y eficiente. BENEFICIOS QUE VAS A NOTAR DESDE EL PRIMER DÍA: -Reducción del estrés y la ansiedad: Chau a los regresos innecesarios a casa a verificar cosas que ya habías hecho. Si está en Chek!, está resuelto. -Organización ágil: Una estructura pensada para personas dinámicas que necesitan resolver la gestión del tiempo sin dar vueltas. -Optimización del espacio: Optimizada al máximo en su rendimiento para que no ocupe almacenamiento de más en tu dispositivo y funcione de forma fluida y ultra rápida. -Llevá tu productividad al siguiente nivel y recuperá la tranquilidad en tu rutina. ¡Descargá Chek! hoy mismo y empezá a vivir tus días de forma más organizada y sin preocupaciones!
Screenshots
Verdict
The clearest difference is in-app purchases: Chek! at none against Check Calendar's 1. Check Calendar's advantage is ads (none vs shown) and update cadence (every 4 days vs every 3 weeks). On price, 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. Check Calendar sells 1 one-off in-app purchase. Chek! asks for nothing beyond the download.
Check Calendar ships an update every 4 days, Chek! every 3 weeks. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.
| Parameter | Check Calendar | Chek! |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (1.6K ratings) — better | — |
| Positive reviews | 53.0% of reviews | — |
| Number of ratings | 1.6K — better | — |
| Update frequency | Every 4 days — better | Every 3 weeks |
| Ads | No — better | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.1 | 15.0 — better |
| Further details — not scored | ||
| Size | 58 MB | 28 MB |
| Age rating | 4+ | 4+ |
| Developer | naoki otsu | Juan Damian Felix |
Bugs and requests
Check Calendar
Reported bugs
3 issues- Inconsistent date tracking
- Syncing issues between devices
- Unexpected loss of data and progress
Requested features
4 requests- Add widget support
- Implement reminder/notification system
- Provide more data visualization and analytics
- Allow selective clearing of check marks
Chek!
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Check Calendar
- Premium (Pay Once)$4.99
Chek!
No in-app purchases









