Comparison

Calflow vs Re

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

Head to head
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/

About

Re

A minimalist card-based note-taking and to-do list app designed to streamline your life. It focuses on core functionalities like review, repetition, and reminders, helping you organize thoughts and tasks efficiently. Data is stored locally for privacy, with optional iCloud sync for multi-device access.

Highlights
  • Dual note types: To-do and text
  • Advanced reminder system with repeat options
  • Flexible parent-child tag management
  • Daily review for past entries
  • Note linking for knowledge network building
  • Automatic history versioning
  • Widgets for quick access
Features
Read full description

Re:card 是一款采用极简卡片式设计的笔记和待办事项管理应用,Re:card 通过「Review」、「Repeat」、「Remind」等关键词,深度思考该如何用卡片笔记的方式重塑生活。Re:card 抛弃了其他笔记软件中各类冗余的设计,以卡片为单位,并赋予其「回顾」、「重复」、「提醒」的能力,让记录回归本质,让卡片重塑生活。 【匠心特色】 • 双重笔记类型【待办/文本】,满足不同记录需求 • 提醒系统 - 支持多种重复类型,不再错过重要事项 • 标签管理 - 灵活父子标签,轻松组织笔记内容 • 每日回顾 - 让过去产生新的价值 • 笔记关联 - 建立内容间的连接,构建知识网络 • 历史版本 - 自动保存编辑历史,随时回溯内容变化 • 小组件 - 快速记录、提醒事项、指定卡片展示 【隐私安全】  所有数据完全存储在本地设备,无需联网,保护您的隐私安全。支持iCloud同步,多设备无缝协作。 --- 应用内付费说明 当前包含以下两种PRO会员付费服务: 1. 订阅制(月度/年度) - 订阅会在当前周期结束前24小时自动续期 - 如需取消订阅,可在当前订阅周期结束的24小时前在Apple ID设置中手动关闭 2.终身会员(永久) - 一次付费,永久有效 成为 PRO 会员后,您可以解锁全部高级功能。 请注意,价格可能因地区而异,请以应用内的购买界面为准。 如果您在使用应用的时候遇到任何问题,欢迎使用应用内的「反馈」功能与我们取得联系。 联系我们: 小红书:929951479 官方群:1058767407 服务条款:https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ 隐私政策:https://travelsnap.fun/privacy_cardlife.html

Screenshots

Calflow4 screens
Re4 screens

Verdict

The call

The clearest difference is review sentiment: Re at 100% against Calflow's 89%. Calflow's advantage is device support (4 vs 2). On price, 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

Both are free to download. Calflow sells 3 in-app purchases, starting at $3.99 per month and Re sells 3 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Calflow ships an update every 10 days, Re every 9 days. The most recent releases landed on November 4, 2026 and October 30, 2026 respectively.

Scorecard2 real differences · 8 level
Calflow versus Re: the parameters behind the verdict, then further details
ParameterCalflowRe
PriceFreeFree
Rating4.9 (131 ratings) — better—
Positive reviews88.9% of reviews100.0% of reviews — better
Number of ratings131 — better—
Update frequencyEvery 10 daysEvery 9 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFreemium
DevicesiPhone, iPad, Mac, Apple Watch — betteriPhone, iPad
Requires iOS17.017
Further details — not scored
Size183 MB7 MB
Age rating4+4+
DeveloperKyovan Ltd.启东 吴

Customer experience

Calflow

All ratings129 ratings
Positive98.4%
Neutral0.8%
Negative0.8%
Written reviews108 reviews
Positive88.9%
Neutral4.6%
Negative6.5%

Re

Written reviews5 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

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

Re

Not enough reviews yet to summarise bugs or requests.

In-app purchases

3 purchases

Calflow

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

Re

Subscriptions2
  • Re:card月度会员$0.991 Month
  • Re:card年度会员$4.991 Year
One-time1
  • Re:card终身会员$7.99

Questions

Is Calflow free?
Calflow is free to download, with in-app purchases available.
Is Re free?
Re is free to download, with in-app purchases available.
Do Calflow or Re have ads?
Neither Calflow nor Re shows ads.
Which is updated more often, Calflow or Re?
Calflow ships an update every 10 days, and Re every 9 days. Most recently, Calflow was updated on November 4, 2026 and Re on October 30, 2026.

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