Comparison

Simple Calendar Daily Planner vs Solid Calendar

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

Head to head
About

Simple Calendar Daily Planner

This app offers a streamlined calendar experience with a focus on simplicity and ease of use. It allows for easy sharing of schedules, extensive customization options like font size and color-coding, and secure passcode locking. It's ideal for users seeking a functional, minimalist organizer.

Highlights
  • Schedule sharing
  • 15 Widgets
  • Adjustable font size
  • Color-coded calendars
  • Passcode lock
  • Sync with other apps
Features
Read full description

Simple Calendar is a calendar app that works directly with your iCloud, Google and Microsoft calendars, with clear monthly, weekly and daily views, color coding, widgets and repeating events. Our design philosophy is all about simplicity and ease of use. Simple Calendar comes with various customization options, including font size — use the style that suits you best. In this calendar app, you can use the sharing features of iCloud Calendar and Google Calendar, making it easy to share schedules with family, partners, and colleagues. It's perfect for those looking for a minimalist calendar app focused on functionality instead of extra (and sometimes unnecessary) features — for work, family, shifts, school and travel. [List of Functions] · Share schedules with iCloud and Google Calendar · 15 Home Screen widgets · Next event on your Lock Screen · Font size adjustment (10 options) · Weekly (7 days · 5 days · 3 days) display · Daily display · Color coding for different calendars · Add notes, URLs, and maps · Sync with other scheduling apps · Event templates, history and search · Add an event to multiple days at once · Daily summary notifications · Restore deleted events from the Trash · 50 theme colors and a changeable app icon · Set your favorite photo as the wallpaper · Background colors for dates · White, black, or colored text for events · Set any day of the week as a day off · Change the start day of the week · Display week numbers · Lock with passcode [Function Details] ■ iOS Calendar This app uses the built-in iOS calendar system. Events made with this app will be synchronized with other scheduling apps and the iOS standard Calendar app. Your events are stored in your own calendar account (iCloud, Google, etc.), never on our servers. If you switch phones, simply sign in again and everything comes back — no account registration needed. Events sync to iPad automatically and can be viewed on a Mac or PC via iCloud.com. ■ Adjust Font Size You can choose from five font sizes of extra-small, small, medium, large, and extra-large. You can also choose light or bold text for better readability. ■ Monthly, Weekly, and Daily Calendar With one tap at the bottom of the screen, you can switch between monthly, weekly, and daily display. Switch the weekly calendar to a 7-, 5- or 3-day display to find what is right for you. A list of the day's events can be shown under the monthly calendar. ■ Color Coding You can create separate calendars according to different schedules, such as work and home. Then, you can manage them clearly by color coding them. For each calendar, you can choose everything from its color to white or black text. ■ Secure Passcode Lock You can securely lock the app with a passcode, Face ID or Touch ID if you don't want anyone to view your calendars. ■ Notification Settings You can set up notifications for scheduled events at the event time, as well as 5 min, 15 min, or more prior to the event, so you don't miss important plans! Get a summary of today's events in the morning or tomorrow's events the night before. Over 21 million downloads, 4.6 user rating (as of August 2026). [Note to Users] Since this calendar app uses the standard function of the iOS calendar, events older than one month may no longer appear on your device with the default settings. If you want to keep past events, please follow the procedure below after installing the app. 1. Open the iOS Settings app. 2. Tap "Calendar". 3. Tap "Sync". 4. Select "All Events". For details, see "Help/FAQ" in the app. [Help / Inquiries] Please visit "Help/FAQ" from the settings screen of the app. If this doesn't help, please contact us through "Contact Us" from the settings screen. We can respond much faster this way than to app reviews. [Terms of Service] https://komorebi-studio.com/tos_en.html [Privacy Policy] https://komorebi-studio.com/policyredirect.html

About

Solid Calendar

This app helps you manage your time, tasks, and events with a natural language interface. It acts as a digital planner, rotating schedule manager, and reminder system, syncing with your existing device calendars for seamless organization.

Highlights
  • Add events with natural language input
  • Calendar planner with intuitive interface
  • Digital planner for tasks and to-do lists
  • Rotating schedule management
  • Quick join for video calls
  • Reminders and smart notifications
  • Multiple layout options
Features
Read full description

No subscriptions - Buy once, keep forever on all devices Elevate your productivity and organization with Solid Calendar – the all-in-one solution for managing your time, tasks, and events seamlessly. Whether you're a busy professional, a student juggling classes, or anyone looking to make the most of every day, this app offers the perfect blend of a calendar planner, rotating schedule manager, digital organizer and reminders manager. Are you ready to reclaim your time and enjoy a more organized lifestyle? Download this calendar app now and manage your schedule, tasks, and events with ease. Key Features of Solid Calendar: - Add events with natural language Isn't it so much easier when our devices understand us? You can say things like: "Pick up the kids tomorrow at 18:00" "Lunch this Saturday between 12:00 and 14:00" "Meet with Bill in 2 hours" - Calendar planner Stay on top of your schedule effortlessly with this intuitive calendar interface. Plan events, set reminders, and never miss appointments again. With a user-friendly design, adding and managing events is a breeze, ensuring you're always in control of your time with this natural language calendar. For those with complex rotating schedules, this app is also a great fit. Whether you are in healthcare, public safety, or any other profession with rotating shifts, this app adapts to your unique needs. See your rotation patterns and stay informed about your upcoming schedule with Solid Calendar. - Digital planner Say goodbye to traditional paper planners! This digital planner allows you to create, organize, and track tasks. Prioritize tasks, set due dates, and get a clear overview of your to-do list. With synchronization across devices, this planner is accessible anytime, anywhere. - 6 different layouts With Solid Calendar you can find the layout that suits your needs best on each device - Quick Join for video calls You will find options to jump straight into events that have video calls both from the app itself and from notifications - Reminders Your Reminders can live alongside your events in all layouts. You can also create and edit reminders. - Use the calendars on your device Solid Calendar works with the calendars you already have on your device. No data about your calendars leaves your device, so you can have peace of mind about your privacy - Light and Dark mode Enjoy well designed themes for both light and dark mode and pick the one you like best to accommodate your style. - Seamless integration This app easily syncs with all your device's calendars, ensuring that your events and appointments will be scheduled into a routine calendar. You'll never have to stress about missing an essential occasion. All your data remains up-to-date. - Smart reminders Stay on track with smart notifications and reminders. Customize when you will be notified about upcoming events, tasks, or shifts. So, you will be prepared for what's next. - Data security Your privacy is the top priority. This app is designed with advanced security measures to protect your sensitive information. Enjoy the convenience of a digital planner without compromising your data. Your events and reminders remain on your device, they are never uploaded to any third party servers. Cross-device sync Access your schedule and tasks from any iOS device. Whether using your iPhone or iPad, you'll always have your planner at your fingertips. Are you ready to get on top of your schedule? Solid Calendar is a universal app available on iOS, iPadOS, and macOS You can choose to unlock just this app or all 5 Solid Apps with one purchase Terms of service: http://solidapps.co/terms.html Privacy policy: http://solidapps.co/privacy.html

Screenshots

Simple Calendar Daily Planner4 screens
Solid Calendar4 screens

Verdict

The call

The clearest difference is ads: Solid Calendar at none against Simple Calendar Daily Planner's shown. Solid Calendar also leads on rating (4.9 vs 4.6) and review sentiment (79% vs 61%). Simple Calendar Daily Planner's advantage is ratings volume (6.4K vs 119) and monetization model (free with in-app purchases vs paid). 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. Simple Calendar Daily Planner sells 3 in-app purchases, starting at $2.99 per month and Solid Calendar sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Solid Calendar holds the better App Store score, 4.9 against 4.6. That said, the two scores are not equally well evidenced: Simple Calendar Daily Planner has 6.4K ratings behind it against 119, so its average is the more settled of the two. Written reviews point the same way: 61% of Simple Calendar Daily Planner's written reviews are positive against 79% of Solid Calendar's.

UpkeepUpdate frequency

Simple Calendar Daily Planner ships an update every 6 weeks, Solid Calendar fortnightly. The most recent releases landed on September 22, 2026 and September 23, 2026 respectively.

Scorecard6 real differences · 4 level
Simple Calendar Daily Planner versus Solid Calendar: the parameters behind the verdict, then further details
ParameterSimple Calendar Daily PlannerSolid Calendar
PriceFreeFree
Rating4.6 (6.4K ratings)4.9 (119 ratings) — better
Positive reviews60.6% of reviews78.9% of reviews — better
Number of ratings6.4K — better119
Update frequencyEvery 6 weeksFortnightly — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchases — betterPaid
DevicesiPhone, iPad, iPodiPhone, iPad, Mac
Requires iOS15.0 — better16.0
Further details — not scored
Size133 MB19 MB
Age rating4+4+
DeveloperKomorebi Inc.Solid Apps S.R.L.

Customer experience

Simple Calendar Daily Planner

All ratings6,362 ratings
Positive90.4%
Neutral4.9%
Negative4.6%
Written reviews340 reviews
Positive60.6%
Neutral6.8%
Negative32.6%

Solid Calendar

All ratings119 ratings
Positive97.5%
Neutral0.8%
Negative1.7%
Written reviews38 reviews
Positive78.9%
Neutral2.6%
Negative18.4%

User reviews

Simple Calendar Daily Planner

From 6.4K App Store ratings

What we love

  • 🚀 Easy to use
  • 👍 Customizable colors and design
  • 💡 Helpful for organization
  • 🚀 Simple calendar functionality
  • 👍 Straightforward and clean interface

Room to improve

  • 🐛 Glitchy behavior (moving events, deleting, duplicating)
  • 🐛 Language issues (randomly changing to Spanish)
  • 🐛 Widget not working properly
  • 🐛 Syncing issues between devices
  • 🐛 Appointment times changing on their own

Solid Calendar

From 119 App Store ratings

What we love

  • ✨ Brilliant app overall
  • 👍 Easy to use interface
  • 🎨 Visually appealing design
  • 💰 Affordable one-time purchase
  • 🚀 Fast loading and performance

Room to improve

  • 🤔 Account required for sync
  • 📅 Weekly view horizontal events
  • 🐛 Sync issues with date
  • ❓ Widgets feel like afterthought
  • 🐛 App crashes after update

Bugs and requests

Simple Calendar Daily Planner

Reported bugs

5 issues
  • Calendar glitching, events disappearing or duplicating
  • Language randomly changing to Spanish
  • Widget not displaying events correctly
  • Syncing issues between iPhone and iPad
  • Appointment times changing unexpectedly

Requested features

5 requests
  • Add ability to invite/share calendars
  • Include more reminder options (multiple, further in advance)
  • Expand customization options (fonts, colors, layouts)
  • Integrate weather information
  • Add option to set day start/end times

Solid Calendar

Reported bugs

7 issues
  • Date is a day behind in Australia
  • Jumps back to today's date when viewing future dates
  • App crashes every time after last update
  • Changing daily event time affects rest of week incorrectly
  • Weekly view shows all-day events horizontally like timed events
Show 2 more
  • Medium widgets have small font sizes and look wrong
  • Sync to correct date issue

Requested features

24 requests
  • Display checkmarks for finished appointments
  • Better task management landing pad, floating to-dos
  • Option to display little checkmarks for finished appointments
  • Floating to-do's on widget page
  • Option to display little checkmarks for finished appointments
Show 19 more
  • Better task management landing pad, so that daily to-dos do not have to be tied to reminders or calendars.
  • Floating to-do’s on my widget page would be rad too.
  • Option to display little checkmarks for finished appointments
  • Better task management landing pad, so that daily to-dos do not have to be tied to reminders or calendars.
  • Floating to-do’s on my widget page would be rad too.
  • Display checkmarks for finished appointments
  • Better task management landing pad for to-dos
  • Floating to-dos on widget page
  • Grey out past events in all views
  • Allow 45 min event durations
  • Time to leave notifications
  • Indicator for current place in day's timeline
  • Daily briefing notifications
  • Hyperlinks when creating reminders
  • Option for minimalist widget for following day
  • Option to have calendar items crossed out on widgets
  • Unique Apple Watch complication
  • Include reminders functionality
  • Add todo function

In-app purchases

3 purchases

Simple Calendar Daily Planner

Subscriptions2
  • Premium (Monthly)$2.991 Month
  • Premium (Annual)1 Month trial$19.991 Year
One-time1
  • Remove Ads$8.99
2 purchases

Solid Calendar

One-time2
  • Unlock this app (lifetime)$4.99
  • Unlock ALL 10 Solid Apps (lifetime)$9.99

Questions

Is Simple Calendar Daily Planner free?
Simple Calendar Daily Planner is free to download, with in-app purchases available.
Is Solid Calendar free?
Solid Calendar is free to download, with in-app purchases available.
Which has better reviews, Simple Calendar Daily Planner or Solid Calendar?
Solid Calendar is rated higher. Simple Calendar Daily Planner averages 4.6 out of 5 from 6.4K ratings, while Solid Calendar averages 4.9 from 119 ratings.
Do Simple Calendar Daily Planner or Solid Calendar have ads?
Simple Calendar Daily Planner shows ads; Solid Calendar does not.
Which is updated more often, Simple Calendar Daily Planner or Solid Calendar?
Simple Calendar Daily Planner ships an update every 6 weeks, and Solid Calendar fortnightly. Most recently, Simple Calendar Daily Planner was updated on September 22, 2026 and Solid Calendar on September 23, 2026.

Other comparisons