Comparison

Reminders 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

Reminders

Seamlessly integrate your to-do lists and reminders directly into your calendar app. Organize your day with a structured planner and home screen widgets for quick access. Enjoy offline syncing and robust privacy protection.

Highlights
  • Calendar integration
  • Home screen widgets
  • Structured day planner
  • Offline syncing
  • Siri integration
  • Customizable sync schedules
Read full description

Keep using the Reminders and Calendar apps that you know and love - now with seamless integration. Effortlessly view your reminders directly within the Calendar app, enhancing your productivity and organisation. Stay organized effortlessly with the to do list widget, your go-to tool for quick task tracking and reminders—access your to do list widget right from your home screen and stay on top of everything. Plan every hour with precision using our structured day planner, helping you break down goals into manageable steps with a clear, visual structured day planner layout. Build the perfect schedule for productivity and balance—edit your schedule in real time and sync tasks from your structured day planner directly into your daily schedule. Sync when you want inside the app, or schedule your own syncing patterns in Shortcuts. From every time you exit Reminders, to when you charge your device, you can be in charge of the syncing schedule to suit your needs with support for Shortcut Automations. Prefer to control things manually? You can do so even more effortlessly using Siri or interactive Home Screen widgets. Want to hide some reminders from Calendar? Add $nocal or $nocalendar to the title or notes of your reminder so that you stay in control of what appears in Calendar. All syncing is done offline, on your device. No cloud servers are used and no data ever leaves your device, so your privacy is always protected. Verify for yourself by running the app whilst in Airplane Mode. Want to take advantage of this app on other devices? If you use an iCloud, calDAV or Exchange calendar, your reminders will already be synced to your calendar on all your other devices. If you prefer to store your calendars locally, this app is available on all your other devices: iPhone, iPad, Mac and Apple Vision Pro. Terms of use: https://zipoapps.com/remindertocalios/terms/ Privacy policy: https://zipoapps.com/remindertocalios/privacy/

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

Reminders4 screens
Solid Calendar4 screens

Verdict

The call

The clearest difference is ads: Solid Calendar at none against Reminders's shown. Solid Calendar also leads on rating (4.9 vs 4.5) and review sentiment (79% vs 52%). Reminders's advantage is monetization model (free with in-app purchases vs paid). On price, ratings volume, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Reminders sells 16 in-app purchases, starting at $0.99 per 7 days 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 4.5. Both are backed by a comparable volume of ratings — 97 and 119 respectively. Written reviews point the same way: 52% of Reminders's written reviews are positive against 79% of Solid Calendar's.

UpkeepUpdate frequency

Reminders ships an update every 6 weeks, Solid Calendar fortnightly. The most recent releases landed on October 8, 2026 and October 7, 2026 respectively.

Scorecard5 real differences · 5 level
Reminders versus Solid Calendar: the parameters behind the verdict, then further details
ParameterRemindersSolid Calendar
PriceFreeFree
Rating4.5 (97 ratings)4.9 (119 ratings) — better
Positive reviews52.4% of reviews78.9% of reviews — better
Number of ratings97119 — better
Update frequencyEvery 6 weeksFortnightly — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchases — betterPaid
DevicesiPhone, iPad, Mac, Vision Pro — betteriPhone, iPad, Mac
Requires iOS16.016.0
Further details — not scored
Size99 MB19 MB
Age rating4+4+
DeveloperZipoAppsSolid Apps S.R.L.

Customer experience

Reminders

All ratings82 ratings
Positive86.6%
Neutral6.1%
Negative7.3%
Written reviews63 reviews
Positive52.4%
Neutral9.5%
Negative38.1%

Solid Calendar

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

User reviews

Reminders

From 97 App Store ratings

What we love

  • 👍 Simple and functional
  • 🚀 Syncs reminders to calendar
  • 💡 Offline functionality
  • ✨ Useful for time boxing
  • ✅ Works as advertised

Room to improve

  • 💸 Subscription model introduced
  • 💰 Unexpected price increase
  • 👎 Bait-and-switch tactics
  • 😠 Money grabbing developers
  • 📉 App became obsolete

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

Reminders

Reported bugs

23 issues
  • Reminders re-syncing after deletion
  • Full-screen ads after payment
  • Broken Shortcuts automation
  • Cannot restore previous purchases
  • Ads in purchased versions
Show 18 more
  • Everything is duplicated
  • Calendar entries duplicated
  • App crashes on opening
  • Syncs only locally
  • Does not sync to Google Calendar
  • Last sync label always shows 'never'
  • 00:00 reminders shown as all-day events
  • Sync deletes and re-adds all reminders
  • Reminders duplicated in calendar
  • App doesn't open on Mac without crashing
  • Error syncing
  • Entries always show as 30 minutes and reset
  • Reminders created twice in calendar
  • Regular appointments not fully transferred
  • Duplicate entries when loading on multiple devices
  • Cannot transfer entries made on Mac to all devices
  • Calendar and Outlook restricted
  • Not all calendars can be synced

Requested features

9 requests
  • Two-way sync between reminders and calendar
  • Ability to choose specific reminder lists to sync
  • Option to change the name of the created calendar
  • Ability to drag reminders in the calendar to organize
  • Select existing calendar for reminders
Show 4 more
  • More aesthetic hashtag alternative
  • Exclude reminders without time from syncing as all-day events
  • Fix Shortcuts automation errors
  • Sync changes made in calendar back to reminders

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

16 purchases

Reminders

Subscriptions16
  • Unlimited access3 Days trial$0.997 Days
  • Unlimited access3 Days trial$1.997 Days
  • Unlimited access3 Days trial$2.997 Days
Show 13 more
  • Unlimited access3 Days trial$3.997 Days
  • Premium features3 Days trial$4.997 Days
  • Premium features3 Days trial$5.997 Days
  • Premium features3 Days trial$6.997 Days
  • Premium features3 Days trial$7.997 Days
  • Premium features3 Days trial$8.997 Days
  • Premium features3 Days trial$9.991 Year
  • Unlimited access3 Days trial$19.991 Year
  • Premium features3 Days trial$19.991 Month
  • Unlimited access3 Days trial$29.991 Year
  • Premium features3 Days trial$29.991 Month
  • Unlimited access3 Days trial$39.991 Year
  • Unlimited access3 Days trial$49.991 Year
2 purchases

Solid Calendar

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

Questions

Is Reminders free?
Reminders 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, Reminders or Solid Calendar?
Solid Calendar is rated higher. Reminders averages 4.5 out of 5 from 97 ratings, while Solid Calendar averages 4.9 from 119 ratings.
Do Reminders or Solid Calendar have ads?
Reminders shows ads; Solid Calendar does not.
Which is updated more often, Reminders or Solid Calendar?
Reminders ships an update every 6 weeks, and Solid Calendar fortnightly. Most recently, Reminders was updated on October 8, 2026 and Solid Calendar on October 7, 2026.

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