Comparison

Solid Calendar vs CalUnity

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

Head to head
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

About

CalUnity

Consolidate all your calendars from Google, Outlook, iCloud, and CalDAV into a single, AI-powered interface. Manage your schedule with natural language commands and enjoy smart conflict detection, all while prioritizing your privacy with read-only access and encrypted data.

Highlights
  • Unified view of multiple calendar providers
  • AI assistant with natural language control
  • Smart conflict detection
  • Push notifications and event reminders
  • Lightning-fast sync
  • Dark and light mode support
Features
Read full description

Calunity brings all your calendars together in one unified, AI-powered app. Connect Google Calendar, Microsoft Outlook, Apple iCloud, and CalDAV servers — and see everything in a single, beautifully designed interface. UNIFIED CALENDAR VIEW Sign in with any provider and instantly access all your connected calendars. No manual setup, no switching between apps. Add more accounts anytime from settings. AI CALENDAR ASSISTANT Manage your schedule using natural language. Say "Schedule lunch with Sarah next Tuesday at noon" or ask "What does my week look like?" The AI understands context across all your calendars and never makes changes without your explicit approval. PRIVACY FIRST Your calendar data belongs to you. Calunity operates in read-only mode by default, encrypts all data in transit and at rest, and never sells or shares your information with advertisers. Revoke access to any connected account at any time with one tap. KEY FEATURES - Unified view of Google, Microsoft, Apple, and CalDAV calendars - AI assistant with natural language control and voice input - Smart conflict detection across all calendars - Day, week, month, and schedule views - Push notifications and event reminders - Lightning-fast sync with intelligent caching - Dark mode and light mode support - Works seamlessly with the Calunity web app Calunity is completely free to use, including the AI assistant, multi-provider sync, and unified calendar view.

Screenshots

Solid Calendar4 screens
CalUnity4 screens

Verdict

The call

The clearest difference is rating: Solid Calendar at 4.9 against CalUnity's 1.0. Solid Calendar also leads on ratings volume (119 vs 1). CalUnity's advantage is in-app purchases (none vs 2). On price, update cadence, ads 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. Solid Calendar sells 2 one-off in-app purchases. CalUnity asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Solid Calendar holds the better App Store score, 4.9 against 1.0. That said, the two scores are not equally well evidenced: Solid Calendar has 119 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on October 7, 2026 and October 10, 2026 respectively.

Scorecard4 real differences · 6 level
Solid Calendar versus CalUnity: the parameters behind the verdict, then further details
ParameterSolid CalendarCalUnity
PriceFreeFree
Rating4.9 (119 ratings) — better1.0 (1 ratings)
Positive reviews78.9% of reviews—
Number of ratings119 — better1
Update frequencyFortnightlyFortnightly
AdsNoNo
In-app purchasesYesNo — better
MonetizationPaidFree — better
DevicesiPhone, iPad, Mac — betteriPhone, iPad
Requires iOS16.0 — better16.4
Further details — not scored
Size19 MB66 MB
Age rating4+4+
DeveloperSolid Apps S.R.L.Ronak Vakharia

Customer experience

Solid Calendar

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

CalUnity

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%

Bugs and requests

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

CalUnity

Not enough reviews yet to summarise bugs or requests.

In-app purchases

2 purchases

Solid Calendar

One-time2
  • Unlock this app (lifetime)$4.99
  • Unlock ALL 10 Solid Apps (lifetime)$9.99
None

CalUnity

No in-app purchases

Questions

Is Solid Calendar free?
Solid Calendar is free to download, with in-app purchases available.
Is CalUnity free?
CalUnity is free to download, with no in-app purchases.
Which has better reviews, Solid Calendar or CalUnity?
Solid Calendar is rated higher. Solid Calendar averages 4.9 out of 5 from 119 ratings, while CalUnity averages 1.0 from 1 ratings.
Do Solid Calendar or CalUnity have ads?
Neither Solid Calendar nor CalUnity shows ads.
Which is updated more often, Solid Calendar or CalUnity?
Solid Calendar ships an update fortnightly, and CalUnity fortnightly. Most recently, Solid Calendar was updated on October 7, 2026 and CalUnity on October 10, 2026.

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