Comparison

Calendars vs Krellot

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

Head to head
About

Calendars

This app helps you manage your schedule, tasks, and habits across all your Apple devices. It offers features for planning your day, building routines, and boosting productivity with seamless syncing and integration with other calendar services.

Highlights
  • Daily, weekly, monthly calendar views
  • Event creation and reminders
  • Integrated agenda planner
  • To-do list and task management
  • Natural language event/task input
  • Habit tracking and routine building
  • Cross-device syncing
Features
Read full description

Calendars by Readdle is the all-in-one calendar, task manager, daily planner, and habit tracker — seamlessly working across all your Apple devices: Mac, iPhone, iPad, and Apple Watch. Plan your day, build better habits, boost productivity, and stay organized with powerful features and smooth sync between all your devices. What you can do with Calendars: • View and manage your calendar with daily, weekly, and monthly views • Create events, set reminders, and never miss important dates • Use the built-in agenda planner to focus on what matters most • Organize your to-do list and manage your tasks with ease • Quickly add events or to-do items using natural language • Build routines and track your habits to stay consistent • Take a guided productivity course to improve time management and focus • Sync across devices with Google Calendar, iCloud, and more • Customize your planner calendar with color coding and widgets • Join Zoom, Google Meet, or GoToMeeting directly from your calendar • Stay in control of your time, wherever you are Whether you're planning a busy workday, building new habits, or working on personal growth, Calendars brings everything together to help you own your time — across all your Apple devices. Privacy Policy: https://readdle.com/calendars/legal/privacy Terms of Service: https://readdle.com/calendars/legal/terms Have questions, comments, or issues? Don’t hesitate to reach out to us at http://readdle.com/contact

About

Krellot

Features
Read full description

Krellot turns a topic into content you can publish, in your brand's voice. Built for creators and marketing agencies who publish every day. IDEAS AND SCRIPTS Generate ideas grounded in your brand's own content pillars, then turn any of them into a script that's ready to record. You choose how many you want, from one to thirty. AI AGENTS Specialists, each focused on a single craft: hooks, offers, copywriting, scripts and more. Ask the Experts panel and several of them weigh in, then close with a plan. CONTENT CALENDAR Your recording plan, day by day. Filter by format - Reel, TikTok, Short, long video, podcast - and keep approvals moving with your team. ANALYZE WHAT WORKS Paste a video link and get a breakdown of why it performs: the hook, the structure, the retention, the call to action. Study a competitor's most viral posts and reuse the patterns in your own brand. LIBRARY Share a post to Krellot from any app and it lands in your library, tagged and ready for later. Dictate notes with your voice - Krellot stores the text, never the audio. ONE BRAND AT A TIME Everything is scoped to the brand you are working on: its voice, its pillars, its audience. Agencies switch between clients without anything bleeding across. A Krellot account is required to sign in.

Screenshots

Calendars4 screens
Krellot4 screens

Verdict

The call

The clearest difference is in-app purchases: Krellot at none against Calendars's 10. Krellot also leads on iOS requirement (16.4 vs 18.2). Calendars's advantage is chart position (#141 vs unranked) and device support (4 vs 1). On price and ads 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. Calendars sells 10 in-app purchases, starting at $3.99 per month. Krellot asks for nothing beyond the download.

Scorecard4 real differences · 7 level
Calendars versus Krellot: the parameters behind the verdict, then further details
ParameterCalendarsKrellot
PriceFreeFree
Rating4.7 (123K ratings) — better—
Positive reviews56.0% of reviews—
Number of ratings123K — better—
Update frequencyWeekly—
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
Best chart rank#141 — better—
DevicesiPhone, iPad, Mac, Apple Watch — betteriPhone
Requires iOS18.216.4 — better
Further details — not scored
Size414 MB54 MB
Age rating4+17+
DeveloperReaddle Technologies LimitedDIPUS AI LLC

Bugs and requests

Calendars

Reported bugs

3 issues
  • Disappearing events and appointments
  • Upgrade process causing data loss
  • Freezing and crashing on certain devices

Requested features

5 requests
  • Recurring events for free users
  • Customizable widgets and app icons
  • Ability to archive/restore past events
  • Improved Apple Watch integration
  • Shared calendars and family management

Krellot

Not enough reviews yet to summarise bugs or requests.

In-app purchases

10 purchases

Calendars

Subscriptions6
  • Calendars PRO 1 Month$3.991 Month
  • Calendars by Readdle: Interesting Calendars1 Month trial$3.991 Year
  • Calendars PRO 1 Month7 Days trial$3.991 Month
Show 3 more
  • Calendars PRO 1 Year7 Days trial$19.991 Year
  • Calendars PRO 1 Year1 Year trial$19.991 Year
  • Calendars PRO 1 Year7 Days trial$21.991 Year
One-time4
  • Smart Input Upgrade$1.99
  • My schedule planner, Organizer$6.99
  • Full Pack$12.99
Show 1 more
  • Recurring Events$31.99
None

Krellot

No in-app purchases

Questions

Is Calendars free?
Calendars is free to download, with in-app purchases available.
Is Krellot free?
Krellot is free to download, with no in-app purchases.
Do Calendars or Krellot have ads?
Neither Calendars nor Krellot shows ads.

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