Comparison

Calmetric vs dfCal

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

Head to head
About

Calmetric

Gain practical insights into your calendar year with detailed charts and metrics. Break down any date range to identify optimal times for planning, vacations, and deadlines. Enjoy a private, secure, and ad-free experience with a native iOS design.

Highlights
  • Year progress charts
  • Date range breakdown
  • Optimal date identification
  • Native iOS design
  • Private and secure experience
Features
Read full description

Calmetric helps you gain practical insights into the calendar year. Use Calmetric to track the year’s progress, explore different timeframes, and make more informed planning decisions. Features: · See the year’s progress with detailed charts and metrics · Break down any date range into days, nights, weekends, and more · Identify optimal dates for vacations, meetings, and deadlines · Enjoy a native iOS design, using Apple’s latest frameworks and UI guidelines Calmetric provides a private and secure, ad-free experience—no ads, no tracking, ever. Terms of Service: https://crater.tools/calmetric/terms-of-service Privacy Policy: https://crater.tools/calmetric/privacy-policy

About

dfCal

This app helps you manage your schedule and boost productivity with smart calendar views, time pocket discovery, and productivity analytics. It also includes task management, goal tracking, and a focus timer to optimize your day.

Highlights
  • Smart calendar views
  • Natural language event creation
  • Time pocket discovery
  • Productivity analytics
  • Smart task management
  • Focus timer
  • Goal tracking
Features
Read full description

dfCal is the intelligent calendar app designed to help you take control of your schedule, boost productivity, and make the most of every day. SMART CALENDAR VIEWS - Beautiful month, week, and day views with event indicators - Seamless sync with Google Calendar and Microsoft Outlook - Quick natural language event creation — just type "Lunch with John tomorrow at 2pm" - Color-coded calendars to organize work, personal, and more FIND YOUR FREE TIME - Time Pockets automatically discovers available slots in your day - See exactly when you have 30 minutes, 1 hour, or more available - Never double-book again with visual day overview PRODUCTIVITY ANALYTICS - Track how you spend your time with detailed insights - See your productivity score and get personalized tips - Busiest hours chart to optimize your schedule - Weekly, monthly, and quarterly time audits SMART TASK MANAGEMENT - Create tasks with due dates, priorities, and reminders - Recurring tasks that automatically advance when completed - Priority levels from Low to Urgent with visual indicators - Sync tasks with Google Tasks POWERFUL TOOLS - Focus Timer for deep work sessions - Tally Counter for tracking habits and counts - Calendar Sets to quickly switch between work and personal views - Schedule Templates to block focus time automatically GOAL TRACKING - Set weekly goals for meetings and focus work - Track your progress toward time targets - Meeting cost calculator to understand the true cost of meetings BUILT FOR PRIVACY - Your data stays on your device - Secure OAuth authentication with Google and Microsoft - No tracking, no ads, just productivity Whether you're a busy professional, student, or anyone looking to optimize their time, dfCal gives you the tools to understand and improve how you spend each day. Download dfCal today and transform the way you manage your time.

Screenshots

Calmetric4 screens
dfCal4 screens

Verdict

The call

The clearest difference is update cadence: dfCal at every 4 days against Calmetric's every 3 weeks. On price, rating, ratings volume and ads 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for Calmetric against 5.0 for dfCal. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

UpkeepUpdate frequency

Calmetric ships an update every 3 weeks, dfCal every 4 days. The most recent releases landed on September 12, 2026 and June 4, 2026 respectively.

Scorecard1 real difference · 9 level
Calmetric versus dfCal: the parameters behind the verdict, then further details
ParameterCalmetricdfCal
PriceFreeFree
Rating5.0 (2 ratings)5.0 (1 ratings)
Positive reviews100.0% of reviews
Number of ratings2 — better1
Update frequencyEvery 3 weeksEvery 4 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhoneiPhone, iPad — better
Requires iOS18.617.0 — better
Further details — not scored
Size4 MB8 MB
Age rating4+4+
DeveloperPiotr BakkerAnanda Theerthan Jagannathan

Customer experience

Calmetric

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

dfCal

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Calmetric

No in-app purchases

None

dfCal

No in-app purchases

Questions

Is Calmetric free?
Calmetric is free to download, with no in-app purchases.
Is dfCal free?
dfCal is free to download, with no in-app purchases.
Which has better reviews, Calmetric or dfCal?
Calmetric and dfCal are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.
Do Calmetric or dfCal have ads?
Neither Calmetric nor dfCal shows ads.
Which is updated more often, Calmetric or dfCal?
Calmetric ships an update every 3 weeks, and dfCal every 4 days. Most recently, Calmetric was updated on September 12, 2026 and dfCal on June 4, 2026.

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