Comparison

Cal.com vs Slotly

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

Head to head
About

Cal.com

This app simplifies scheduling meetings on the go. Book, reschedule, or cancel appointments with a few taps, syncing directly with your calendar. Receive smart notifications and integrate with your existing tools for seamless collaboration.

Highlights
  • Instant meeting booking, rescheduling, and cancellation
  • Real-time calendar synchronization
  • Smart push notifications for events
  • Integration with email and video tools
  • Mobile-friendly scheduling
Features
Read full description

Cal.com Companion App: Schedule Meetings Effortlessly on the Go! Tired of juggling calendars and emails to book meetings? The Cal.com Companion App brings the power of Cal.com right to your fingertips, making scheduling seamless, fast, and mobile-friendly. Whether you're in a rush between calls or planning your week from anywhere, this app ensures you never miss a beat. Key Features: - Instant Scheduling: Book, reschedule, or cancel meetings with just a few taps—no desktop required. - Real-Time Availability: Syncs with your Cal.com calendar to show open slots and avoid double-booking. - Smart Notifications: Get push alerts for upcoming events, reminders, and confirmations to stay organized. (coming soon) - Easy Integration: Connects seamlessly with your email, video tools, and team calendars for hassle-free collaboration. Perfect for busy professionals, freelancers, and teams who value time. Download now and transform how you manage your schedule—anytime, anywhere! Available on iOS. Free for individuals to download without a subscription.

About

Slotly

Read full description

SLOTLY: MAKE ROOM FOR THE ESSENTIAL Stop fighting your to-do list and start mastering your time. Slotly is a powerful, yet simple personal tracker that combines deep task organization with intuitive time-blocking. STAY ORGANIZED, NOT OVERWHELMED Most apps clutter your life. Slotly clears the noise by separating what you need to DO from what is going to HAPPEN. ● Deep Hierarchy: Organize everything into Groups and Lists. Create Goals to track big milestones or simple Tasks for daily wins. ● Goals & Progress: Group tasks under specific Goals and watch your visual progress grow as you get closer to the finish line. ● Effortless Structure: Use intuitive drag-and-drop to turn tasks into sub-tasks or move them into goals. Building your plan has never been this smooth. MASTER YOUR CALENDAR Slotly turns your calendar into a high-speed planning tool. ● Instant Time-Blocking: Pick a time slot and snap a task from your list directly into it. Plan your entire day in seconds. ● Tasks vs. Events: Use "Events" for time-specific entries like birthdays or meetings. Unlike tasks, events don't create "guilt" if they pass—they keep your to-do lists clean and focused only on actionable items. ● Flexible Views: Switch between Day, 3-Day, Week, Work Week, Month, and Schedule views to see your life at any scale. SLOTLY PRO: THE ULTIMATE SYNC Take full control with our premium features: ● Two-Way Google Calendar Sync: Choose between simple Import or full two-way synchronization. Your Slotly tasks and events will appear in a dedicated Google Calendar automatically. ● Cloud Sync: Access your data anywhere. Your lists and goals stay synced and backed up across all your devices. ● Advanced Views: Unlock the full power of all calendar modes (Day, Week, Work Week). Whether you're managing complex projects or just trying to find time for a gym session, Slotly helps you clear the clutter and focus on the essential. Download Slotly today. Your time is waiting. Terms of Use: https://slotly-tracker.top/terms.html

Screenshots

Cal.com4 screens
Slotly4 screens

Verdict

The call

The clearest difference is in-app purchases: Cal.com at none against Slotly's 2. Cal.com also leads on update cadence (every 4 weeks vs every 3 months). On price, ads, 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. Slotly sells 2 in-app purchases, starting at $1.99 per month. Cal.com asks for nothing beyond the download.

UpkeepUpdate frequency

Cal.com ships an update every 4 weeks, Slotly every 3 months. The most recent releases landed on November 6, 2026 and November 5, 2026 respectively.

Scorecard2 real differences · 8 level
Cal.com versus Slotly: the parameters behind the verdict, then further details
ParameterCal.comSlotly
PriceFreeFree
Rating4.9 (232 ratings) — better—
Positive reviews61.5% of reviews—
Number of ratings232 — better—
Update frequencyEvery 4 weeks — betterEvery 3 months
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPodiPhone, iPod
Requires iOS15.1 — better15.6
Further details — not scored
Size44 MB79 MB
Age rating4+4+
DeveloperCal.com, Inc.DMITRI DIMITROV

In-app purchases

None

Cal.com

No in-app purchases

2 purchases

Slotly

Subscriptions2
  • Slotly Pro (1 Month)1 Month trial$1.991 Month
  • Slotly Pro (1 Year)1 Month trial$14.991 Year

Questions

Is Cal.com free?
Cal.com is free to download, with no in-app purchases.
Is Slotly free?
Slotly is free to download, with in-app purchases available.
Do Cal.com or Slotly have ads?
Neither Cal.com nor Slotly shows ads.
Which is updated more often, Cal.com or Slotly?
Cal.com ships an update every 4 weeks, and Slotly every 3 months. Most recently, Cal.com was updated on November 6, 2026 and Slotly on November 5, 2026.

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