Solid Calendar is a paid, subscription-free productivity app for iOS and macOS that manages events, tasks, and rotating schedules.
Product velocity
Steady
Daily rank 🇺🇸
—
Productivity
Sentiment
4.9
114 reviews
Nemesis
CalenGoo - Calendar and Tasks
The App DNA
What makes this app unique?
Users hire Solid Calendar for a one-time purchase experience that avoids the recurring costs of power-user calendar tools, serving those who prioritize privacy and simplicity over complex enterprise features.
For Professionals, students, and shift-workers seeking a simple, subscription-free alternative to native calendar applications.
What does it look like?
Key features
Allows conversational event creation to reduce scheduling friction.
Supports shift-based work patterns for non-office professionals.
Syncs with local device calendars to maintain data privacy.
How much does it cost?
The $4.99 one-time purchase model acts as a primary differentiator against subscription-heavy productivity competitors.
Velocity
Steady developmentShow more...
5 versions in history. Development pace: steady.
Who built it?
Solid Apps S.R.L.
13+ apps tracked · Productivity
Grammar Fix
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Solid Planner - timer + agenda
Trace: Expense Tracker
Solid Notes
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Solid Habits
Solid Focus Timer
Parksy - find your parked car
Recipes of the worldUser Sentiment
What do users think recently?
How are ratings & reviews evolving?
Not enough recent reviews to extract reliable themes yet.
Read the full review analysisCompetition
Competitive landscape for Solid Calendar
How's the Productivity market?
Solid Calendar maintains a niche position as a paid-upfront utility with a 4.88 rating. The lack of updates over the last 159 days suggests a defensive market stance rather than aggressive growth.
The rivals identified
By Gunia UG (haftungsbeschränkt)
CalenGoo directly competes with Solid Calendar by offering a robust, feature-rich environment for power users who require deep integration between calendar events and task management.
- Offers a sophisticated direct sync engine that provides more reliable cross-platform data consistency than Solid.
- Includes advanced task-in-event integration, allowing users to manage complex workflows directly within their calendar view.
- Provides specialized floating event functionality that offers greater flexibility for scheduling tasks without fixed time slots.
Cat Calendar：Schedule PlannerContender
Štyri ZmenyContender
ShiftCal: Shift Schedule MakerContender
Algerie Calendrier 2026ContenderUnlock the head-to-head verdict: where this rival wins, and where it loses.
Access the full report for freeThe Analyst's Read
Key takeaways for Solid Calendar
Where is it heading?
The productivity calendar market is consolidating around tools that offer deep task-in-event integration, leaving Solid Calendar exposed to competitors with faster release cadences. If the team does not resume feature development, the current 4.88 rating will likely compress as users shift toward more robust, actively maintained alternatives.
- The 159-day update gap signals a lack of active development, which invites churn as power users migrate to more frequently updated alternatives.
- The one-time purchase model continues to attract users fatigued by subscription-heavy productivity tools, maintaining a stable 4.88 rating baseline.
The SWOT
- One-time purchase model functions as a switching-cost barrier against subscription-heavy productivity tools
- Education partnerships offer an untapped B2B distribution channel for the shift-management feature set
Next best moves
Ship a parity-focused update because the 159-day gap signals maintenance-mode to power users → defend the paid-upfront value proposition
The counter-intuitive read
The app's maintenance-mode status is a strategic choice…
Read the full takeFeature gaps
Sophisticated sync engine (available in CalenGoo but missing here) +1
Since the last report: The report transitioned from a descriptive product summary to a critical competitive analysis, highlighting the risks of a 159-day update gap and formalizing the $4.99 pricing strategy.
Bottom line
Solid Calendar succeeds as a simple, privacy-first utility, but the lack of recent updates creates a churn risk as users outgrow its basic feature set, so the team must prioritize a feature-parity sprint to defend the paid-upfront value proposition.
Unlock 1 critical friction, 1 market threat and the analyst’s take.
Access the full report for freeSources
Report last updated