Comparison

Work Smart Calendars vs Only Calendar

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

Head to head
About

Work Smart Calendars

Features
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Work Smart Calendars transforms your calendar into a powerful, automatic to-do list—so you can spend less time planning and more time getting things done. By seamlessly syncing with your Apple Calendar, your events are instantly converted into clear, actionable tasks organized for your day. Stay focused with a clean, intuitive interface, track your progress at a glance, and build productive habits without the stress of manual task management. Whether you're managing work, study, or personal life, Work Smart Calendars helps you stay in control, reduce overwhelm, and turn your schedule into real results—effortlessly.

About

Only Calendar

Features
Read full description

Only Calendar is a simple, focused calendar for people who want to plan clearly without clutter. Create events with notes, locations, links, colors, reminders, durations, and repeating schedules. Switch between Month, Week, and List views to see your plans from the right angle. Use search, quick filters, color filters, archives, and undo actions to keep your calendar tidy as it grows. Only Calendar also supports basic ICS import and export, JSON export, text export, Home Screen and Lock Screen widgets, app language selection, local notifications, and private iCloud sync for Pro users. Only Calendar Pro is a one-time purchase with no subscription. Pro removes the 25 active-event limit and unlocks private iCloud sync through your personal iCloud account, including event details, reminders, repeats, colors, locations, links, notes, and archived events.

Screenshots

Work Smart Calendars4 screens
Only Calendar3 screens

Verdict

The call

The clearest difference is in-app purchases: Work Smart Calendars at none against Only Calendar's 1. Work Smart Calendars also leads on iOS requirement (15.1 vs 17.0). On price, 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. Only Calendar sells 1 one-off in-app purchase. Work Smart Calendars asks for nothing beyond the download.

Scorecard2 real differences · 3 level
Work Smart Calendars versus Only Calendar: the parameters behind the verdict, then further details
ParameterWork Smart CalendarsOnly Calendar
PriceFreeFree
AdsNoNo
In-app purchasesNo — betterYes
DevicesiPhone, iPod — betteriPhone
Requires iOS15.1 — better17.0
Further details — not scored
Size42 MB3 MB
Age rating17+4+
DeveloperJiaqi LiuLizzian LLC

In-app purchases

None

Work Smart Calendars

No in-app purchases

1 purchases

Only Calendar

One-time1
  • Only Calendar Pro$5.99

Questions

Is Work Smart Calendars free?
Work Smart Calendars is free to download, with no in-app purchases.
Is Only Calendar free?
Only Calendar is free to download, with in-app purchases available.
Do Work Smart Calendars or Only Calendar have ads?
Neither Work Smart Calendars nor Only Calendar shows ads.

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