Comparison

ATracker PRO Time Tracker vs Calflow

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

Head to head
About

ATracker PRO Time Tracker

This app helps you manage your time effectively by tracking daily tasks, habits, and goals. It offers a simple interface for one-tap time tracking, detailed statistics, and customizable features to boost productivity and self-improvement.

Highlights
  • One-tap start/stop time tracking
  • Customizable UI with icons and color coding
  • Detailed statistics with bar and pie charts
  • Activity log with editing capabilities
  • Task categorization with tags
  • Data export (PDF/CSV in PRO)
  • Cross-device sync (with web subscription)
Features
Read full description

Life is precious and so is your time. And keeping that in mind, ATracker is here to help you achieve more of your goals, build a sustainable habit, and boost your productivity to a new height. ATracker is a simple yet very powerful time tracking app and productivity tool that allows you to use it with minimal setup. Having a track of your precious time has never been easier with our one-tap to start/stop time tracking. As the leading time tracking app, ATracker also offers bar or pie charts showcasing where your time went. Lots of features for self-development The fully customizable user interface allows you to turn this habit tracker into your own. The tracking app also comes with the option of categorizing tasks with tags; data export; sync data between multiple devices for the shortest path towards self-improvement and the perfect boost of productivity. It's a fresh way to organize your day and make the most out of it … with just a few taps. SCOPE ATracker is a clean and minimalistic approach to, • Track time of different tasks and projects at work • Track time of School studies and projects • Track time of Exercises • Track time of Socializing • Track time of Homemaking tasks • Track time of Baby or child daily activities • Hobby projects • Or any activity people want to track and control We believe that time tracking should be effortless. Here are some of the key features ATracker offers • Start and stop tracking a task with just one tap. • Overview of today's time spending on the Today tab. • Interactive goal system for self-improvement. • Complete activity log. Show activities on any given date. Add missed or modify existing activity. • Customization of activities with hundreds of unique icons to choose from. You can also color code the activities for a personalized time tracking experience. • Ability to keep notes for each task entry. • Statistics showed in bar charts and pie charts. • Group tasks by tags and allow users to filter tasks by tag on the Today tab, as well as aggregate the data by tag in reporting. • The activity timer does not stop even when the application is not running, or your mobile is in sleep mode. • Set alarm for activities. The alarm will sound even when the app is not running. • Widget to see your data on-screen at all times. • Gesture support • Full customization of UI with more skins and allow the user to use their own image as background. PRO FEATURES With an only one-time investment, you will get to enjoy, - No Ads. - Unlimited tasks - Data export with PDF and CSV file. - Able to keep notes for each task entry. - Full customization of UI with more skins and allow user to use own image as background. WEB SUBSCRIPTION With web subscription, ATracker supports sync across multiple devices. It also provides web access to ATracker services besides the app. This add-on is optional. • ATracker subscriptions purchased in-app renew monthly or yearly depending on your plan. Plan pricing may vary by country. • Payment will be charged to iTunes Account at confirmation of purchase • Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period • Account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal • Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase • Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable SUPPORT Visit https://support.wonderapps.se or contact us at support@wonderapps.se Terms of Service: https://atracker.pro/atracker_TOS.html Privacy Policy: https://atracker.pro/atracker_policy.html Life is precious and so is your Time. So, stop wasting your time and organize your life the right way NOW.

About

Calflow

This app integrates with your existing iOS Reminders and Calendars to help you track how you spend your time. It offers features for daily planning, time tracking, and goal setting, providing insights into your productivity within the Apple ecosystem.

Highlights
  • 2-way sync with iOS Reminders & Calendar
  • Time tracking for reminders and events
  • Time distribution insights
  • Powerful tag system for filtering
  • Goal and habit tracking
  • Apple Health and app usage sync
Features
Read full description

If you’re using Apple Reminders and iOS Calendar/ Google Calendar in your workflow, and you wonder how you spend your time, tasks, daily activities, etc, it’s for you. Calflow is a powerful time-tracking planner based on iOS Reminders & Calendar, helping you keep track of your day and stay productive within the Apple ecosystem. Daily & Weekly Planner ◆ 2-way sync with iOS Reminders & Calendar (Free) ◆ Use Spaces to separate personal and work tasks, helping you declutter your schedule and stay focused Streamline Time-tracking into your Apple Workflow ◆ Track how much time you spend on your Reminders & events: - Reminders: Auto-populate time entries in Apple Calendar - Events: Auto-update your planned event details in Apple Calendar Apple Calendar Time Insights ◆ Also supports Google Calendar ◆ Track your time distribution across day/week/month/year Powerful Tag System ◆ Create smart tags to filter your calendar event entries, and learn about their activity across day/week/month/year ◆ Create groups to analyze time from multiple perspectives Goals, Habits Tracking ◆ Track goals, habits based on your iOS Reminders & Calendars to help ensure your time align with your goals Track anything and sync them to iOS Calendar ◆ Apple Health sync (mindful minutes, sleep time, workout time) ◆ App usage time tracking (via Shortcuts) ◆ Daily activities (via tracker widgets) Need help or have ideas to share? We’re always here: contact@calflow.app Terms of Use(EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://calflow.app/privacypolicy/

Screenshots

ATracker PRO Time Tracker4 screens
Calflow4 screens

Verdict

The call

The clearest difference is price: Calflow at Free against ATracker PRO Time Tracker's $4.99. Calflow also leads on rating (4.9 vs 4.7). ATracker PRO Time Tracker's advantage is chart position (#162 vs unranked) and ratings volume (720 vs 121). On review sentiment, update cadence, ads and in-app purchases 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

Calflow is free to download; ATracker PRO Time Tracker costs $4.99 up front. ATracker PRO Time Tracker sells 2 in-app purchases, starting at $2.99 per month and Calflow sells 3 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Calflow holds the better App Store score, 4.9 against 4.7. That said, the two scores are not equally well evidenced: ATracker PRO Time Tracker has 720 ratings behind it against 121, so its average is the more settled of the two. Written reviews split almost evenly too, at 89% and 88% positive.

UpkeepUpdate frequency

ATracker PRO Time Tracker ships an update every 2 weeks, Calflow every 10 days. The most recent releases landed on September 24, 2026 and September 21, 2026 respectively.

Scorecard5 real differences · 6 level
ATracker PRO Time Tracker versus Calflow: the parameters behind the verdict, then further details
ParameterATracker PRO Time TrackerCalflow
Price$4.99Free — better
Rating4.7 (720 ratings)4.9 (121 ratings) — better
Positive reviews89.0% of reviews — better88.0% of reviews
Number of ratings720 — better121
Update frequencyEvery 2 weeksEvery 10 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
Best chart rank#162 — better—
DevicesiPhone, iPad, iPod, Apple WatchiPhone, iPad, Mac, Apple Watch
Requires iOS15.0 — better17.0
Further details — not scored
Size113 MB181 MB
Age rating4+4+
DeveloperWonderApps ABKyovan Ltd.

Customer experience

ATracker PRO Time Tracker

All ratings720 ratings
Positive94.0%
Neutral1.5%
Negative4.4%
Written reviews364 reviews
Positive89.0%
Neutral4.7%
Negative6.3%

Calflow

All ratings121 ratings
Positive98.3%
Neutral0.8%
Negative0.8%
Written reviews92 reviews
Positive88.0%
Neutral5.4%
Negative6.5%

User reviews

ATracker PRO Time Tracker

From 720 App Store ratings

What we love

  • 👍 Straightforward interface
  • 👍 Simple and easy to use
  • 👍 Convenient features
  • 👍 Helpful for time management
  • 👍 Customizable and flexible

Room to improve

  • 🐛 Sync issues between devices
  • 🐛 Bugs and glitches in recent updates
  • 🔒 Lack of iCloud sync support
  • 🔒 Reliance on Dropbox for sync
  • 🔋 High battery consumption on Apple Watch

Calflow

From 121 App Store ratings

What we love

  • ⏱️ Excellent time tracking with automatic logging
  • 📱 Seamless cross-device synchronization (iPhone, iPad, Mac, Apple Watch)
  • 📅 Perfect integration with Apple Calendar and Reminders
  • 🎯 Comprehensive goal-setting and insights features
  • 🧩 Simple, intuitive user interface with low friction

Room to improve

  • 🐛 Timer synchronization issues across devices
  • 🐛 Confusing insights calculation (double-counting existing calendar events)
  • 🐛 Apple Watch complications not fully functional
  • 🌙 No dark mode support
  • 📱 iPad lacks some features available on iPhone

Bugs and requests

ATracker PRO Time Tracker

Reported bugs

4 issues
  • Sync issues between devices
  • Bugs in recent updates
  • Apple Watch Siri integration not working
  • Home screen widget not functioning properly

Requested features

6 requests
  • Expand goal tracking capabilities
  • Improve exporting options and flexibility
  • Add iCloud sync support
  • Enhance Apple Watch integration
  • Provide more customization options
Show 1 more
  • Improve UI and layout for better usability

Calflow

Reported bugs

11 issues
  • Timer doesn't sync across devices (iPhone to iPad/Mac)
  • Live Activity not showing on iPad when timer active
  • Apple Watch timers not accessible on other devices
  • Widget display showing only black and white screen
  • Insights double-counting time on existing calendar events
Show 6 more
  • Goals feature sometimes fails to record correctly
  • iPad reminders list not syncing with iPhone
  • Timer in notification center and widget not syncing
  • iPad doesn't show timer notifications in notification center
  • Apple Watch connectivity issues after paid subscription activation
  • Mac and iPad timer not showing when started on iPhone

Requested features

27 requests
  • Dark mode support
  • Mac menu bar timer widget
  • Multiple simultaneous timers on iPhone
  • Larger font size options
  • Ability to copy and paste calendar events
Show 22 more
  • Custom goal cadences (not just daily/weekly/monthly)
  • Daily focus note area (like weekly focus)
  • Hashtag support in notes for better app integration
  • Apple Watch complications
  • Faster widget refresh rates
  • Drag and drop support for weekly plans
  • Collaboration/sharing features
  • Data export to CSV/Excel format
  • URL field for events and tasks
  • Callback URL support
  • Notification/reminder alerts for events
  • Milestone and skill tree features
  • Import data from other time tracking apps
  • Japanese language support
  • Custom day start time for analytics
  • Notebook/note-taking integration
  • Customizable todo background colors
  • Reminders list and tags binding
  • Mac automation scheduling
  • Website usage tracking on Mac
  • Ambient sounds and tick sounds for focus mode
  • Collaborative task management

In-app purchases

2 purchases

ATracker PRO Time Tracker

Subscriptions2
  • Web portal subscription7 Days trial$2.991 Month
  • Web portal subscription7 Days trial$26.991 Year
3 purchases

Calflow

Subscriptions2
  • Monthly plan$3.991 Month
  • Annual plan7 Days trial$12.991 Year
One-time1
  • One-time purchase$37.99

Questions

Is ATracker PRO Time Tracker free?
ATracker PRO Time Tracker costs $4.99, and also offers in-app purchases.
Is Calflow free?
Calflow is free to download, with in-app purchases available.
Which has better reviews, ATracker PRO Time Tracker or Calflow?
Calflow is rated higher. ATracker PRO Time Tracker averages 4.7 out of 5 from 720 ratings, while Calflow averages 4.9 from 121 ratings.
Do ATracker PRO Time Tracker or Calflow have ads?
Neither ATracker PRO Time Tracker nor Calflow shows ads.
Which is updated more often, ATracker PRO Time Tracker or Calflow?
ATracker PRO Time Tracker ships an update every 2 weeks, and Calflow every 10 days. Most recently, ATracker PRO Time Tracker was updated on September 24, 2026 and Calflow on September 21, 2026.

Other comparisons