Check Calendar vs 0% PROBABLES
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
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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
0% PROBABLES
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0% Probables est une application basée sur l’apprentissage quotidien à travers des faits et des histoires réelles. Chaque jour, découvrez des faits surprenants, improbables ou méconnus, racontés de manière simple et accessible. L’objectif est de transmettre le savoir, d’éveiller la curiosité et de permettre à chacun d’apprendre quelque chose de nouveau, sans effort. Vous pouvez lire, relire, explorer différentes thématiques, et même partager vos propres faits pour enrichir l’expérience collective. 0% Probables s’adresse à ceux qui veulent comprendre le monde, nourrir leur culture générale et remplacer le contenu inutile par des découvertes intelligentes, quelques minutes par jour. Fonctionnement —● Une notification choc quotidienne avec un fait réel marquant —● Une courte histoire inspirante et vérifiée —● Historique et favoris pour revoir tes récits préférés —● Choisissez l’heure de votre notification et vos préférences. Fonctionnalités Premium - Accès aux résumés illimités - Contenu quotidien illimité - Choix des catégories préférées - Lecture complète en illimité - Accès prioritaire aux futures fonctionnalités - Support prioritaire Chaque jour est une opportunité. Et si demain, c’était toi ? Politique de confidentialité : https://www.privacypolicies.com/live/b13b5c13-1aa0-4822-b319-ae5669cddbdb Conditions d'utilisation (EULA) : https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is update cadence: Check Calendar at every 4 days against 0% PROBABLES's fortnightly. 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. Check Calendar sells 1 one-off in-app purchase and 0% PROBABLES sells 3 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.
Check Calendar ships an update every 4 days, 0% PROBABLES fortnightly. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.
| Parameter | Check Calendar | 0% PROBABLES |
|---|---|---|
| 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 | Fortnightly |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.1 | 15.1 |
| Further details — not scored | ||
| Size | 58 MB | 64 MB |
| Age rating | 4+ | 4+ |
| Developer | naoki otsu | Herge Kamakondi Moya |
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
0% PROBABLES
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Check Calendar
- Premium (Pay Once)$4.99
0% PROBABLES
- Accès Premium$3.991 Month
- Premium Annuel$29.991 Year
- Accès à vie$59.99
Questions
Is Check Calendar free?
Is 0% PROBABLES free?
Do Check Calendar or 0% PROBABLES have ads?
Which is updated more often, Check Calendar or 0% PROBABLES?
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