Comparison

Calendar Organization Event vs TCHAK!

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Calendar Organization Event

This app simplifies time management by consolidating your personal and work tasks into a single, coordinated planner. It offers customizable views, reminders, and integrated features like weather forecasts and QR code generation to keep your schedule organized.

Highlights
  • Integrated calendar and to-do list
  • Customizable day, week, month, year views
  • Reminder notifications
  • Drag-and-drop UI for events
  • Location-based calendar sets
  • QR code generation
  • 10-day weather forecasts
Features
Read full description

Time management just got simpler. No more switching between apps to view your tasks. Keep everything in one place with a coordinated planner that makes seeing all of your personal and work duties easy and convenient. Keep your to-do list in check and never miss a task again with an integrated calendar solution and organizer that can be easily customized to your needs. Color calendar is a calendar app with beautiful day, week, month, week plan and year view calendars, tasks, time zone support and more. - Color calendar for free - Nice, clean and easy to use calendar app that lets you manage basic events - Quickly create events and reminders using natural language - DayTicker and calendar make your schedule look best ever - Full screen day, week, week plan, month, year view - Integration and compatibility with Trello, Todoist, and Asana - Settings the number of days in the week from 2 to 10 day - Favorite time zone - See your date events and tasks together in the main list - Get important reminder notifications, on/off Alarms option - Supports drag-and-drop UI for adding and editing events and reminders - Widgets show a glance your dates - Dark and light theme - Calendar Set - quickly turn multiple calendars on or off with a simple click, or automatically when you leave or arrive, based on location - Formats text, create new calendar set, tool import content from document, Camera, gen QR Code - Display 10-day weather forecasts directly in the app - Creating and managing event templates Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.freeprivacypolicy.com/live/9727c290-6b04-41e1-8b89-1738767367af

About

TCHAK!

Features
Read full description

● TCHAK, c'est l'app qui te permet de ne rien oublier. Tu prépares un déménagement ? Un voyage ? L'arrivée d'un bébé ? Un mariage ? TCHAK transforme ton projet en une checklist claire, étape par étape, pour que tu puisses avancer sereinement. Décris ce que tu prépares en une phrase. L'intelligence artificielle génère ta checklist personnalisée avec les bonnes étapes, dans le bon ordre, avec des rappels intelligents pour ne rien laisser passer. FONCTIONNALITÉS PRINCIPALES • Checklists IA — Décris ton projet, TCHAK génère la liste complète • Checklists prêtes à l'emploi — Déménagement, voyage, naissance, mariage, rentrée... des dizaines de modèles disponibles • Liste de courses — Compose ta liste par catégorie, rends-la récurrente pour la semaine prochaine • Partage en famille — Invite ta famille ou tes amis à cocher ensemble • Rappels intelligents — Notifications personnalisées pour chaque échéance • Thèmes — Personnalise l'app selon ton style (Kawaï, Jungle, Crayon, Cyber...) • Dictée vocale — Crée tes listes à la voix • Export PDF — Imprime ou partage tes checklists en un clic POURQUOI TCHAK ? Parce que la charge mentale, c'est réel. TCHAK prend le relais pour que tu puisses te concentrer sur l'essentiel : vivre tes projets au lieu de les organiser. Pas de pubs. Pas de tracking. Juste toi et tes projets. TCHAK — Dis-le. C'est fait. Conditions d'utilisation : https://tchak.app/terms Politique de confidentialité : https://tchak.app/privacy

Screenshots

Calendar Organization Event4 screens
TCHAK!4 screens

Verdict

The call

The clearest difference is ads: TCHAK! at none against Calendar Organization Event's shown. Calendar Organization Event's advantage is update cadence (every 5 days vs every 3 weeks). On price, in-app purchases, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Calendar Organization Event sells 2 in-app purchases, starting at $1.99 per month and TCHAK! sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Calendar Organization Event ships an update every 5 days, TCHAK! every 3 weeks. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

Scorecard2 real differences · 8 level
Calendar Organization Event versus TCHAK!: the parameters behind the verdict, then further details
ParameterCalendar Organization EventTCHAK!
PriceFreeFree
Rating3.0 (3 ratings) — better—
Positive reviews50.0% of reviews—
Number of ratings3 — better—
Update frequencyEvery 5 days — betterEvery 3 weeks
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15 — better15.1
Further details — not scored
Size99 MB48 MB
Age rating4+9+
DeveloperHuy VanRomain Pons

In-app purchases

2 purchases

Calendar Organization Event

Subscriptions2
  • Premium Monthly3 Days trial$1.991 Month
  • Premium Annual3 Days trial$5.991 Year
2 purchases

TCHAK!

Subscriptions2
  • TCHAK - Full Monthly$2.991 Month
  • TCHAK Full Yearly$17.991 Year

Questions

Is Calendar Organization Event free?
Calendar Organization Event is free to download, with in-app purchases available.
Is TCHAK! free?
TCHAK! is free to download, with in-app purchases available.
Do Calendar Organization Event or TCHAK! have ads?
Calendar Organization Event shows ads; TCHAK! does not.
Which is updated more often, Calendar Organization Event or TCHAK!?
Calendar Organization Event ships an update every 5 days, and TCHAK! every 3 weeks. Most recently, Calendar Organization Event was updated on November 3, 2026 and TCHAK! on October 31, 2026.

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