Calendars vs 轻投OA
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Calendars
This app combines calendar, task management, and habit tracking to boost productivity and organization. It offers seamless syncing across Apple devices and integrates with popular services like Google Calendar. Plan your day, manage tasks, and build routines with customizable views and features.
- Calendar and task management
- Habit tracking and routine building
- Cross-device syncing
- Natural language event creation
- Integration with Google Calendar and Zoom
- Customizable views and widgets
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Calendars by Readdle is the all-in-one calendar, task manager, daily planner, and habit tracker — seamlessly working across all your Apple devices: Mac, iPhone, iPad, and Apple Watch. Plan your day, build better habits, boost productivity, and stay organized with powerful features and smooth sync between all your devices. What you can do with Calendars: • View and manage your calendar with daily, weekly, and monthly views • Create events, set reminders, and never miss important dates • Use the built-in agenda planner to focus on what matters most • Organize your to-do list and manage your tasks with ease • Quickly add events or to-do items using natural language • Build routines and track your habits to stay consistent • Take a guided productivity course to improve time management and focus • Sync across devices with Google Calendar, iCloud, and more • Customize your planner calendar with color coding and widgets • Join Zoom, Google Meet, or GoToMeeting directly from your calendar • Stay in control of your time, wherever you are Whether you're planning a busy workday, building new habits, or working on personal growth, Calendars brings everything together to help you own your time — across all your Apple devices. Privacy Policy: https://readdle.com/calendars/legal/privacy Terms of Service: https://readdle.com/calendars/legal/terms Have questions, comments, or issues? Don’t hesitate to reach out to us at http://readdle.com/contact
轻投OA
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轻投OA一款Saas化OA产品,依赖轻投Saas产品经验,为企业客户提供可配置化的OA系统服务。
Screenshots
Verdict
The clearest difference is in-app purchases: 轻投OA at none against Calendars's 20. 轻投OA also leads on iOS requirement (9.0 vs 18.2). Calendars's advantage is chart position (#150 vs unranked) and update cadence (weekly vs fortnightly). On price 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
Both are free to download. Calendars sells 18 in-app purchases, starting at $3.99 per month. 轻投OA asks for nothing beyond the download.
Calendars ships an update weekly, 轻投OA fortnightly. The most recent releases landed on November 1, 2026 and October 7, 2026 respectively.
| Parameter | Calendars | 轻投OA |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (123K ratings) — better | — |
| Positive reviews | 55.8% of reviews | — |
| Number of ratings | 123K — better | — |
| Update frequency | Weekly — better | Fortnightly |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Freemium | — |
| Best chart rank | #150 — better | — |
| Devices | iPhone, iPad, Mac, Apple Watch — better | iPhone, iPod |
| Requires iOS | 18.2 | 9.0 — better |
| Further details — not scored | ||
| Size | 413 MB | 35 MB |
| Age rating | 4+ | 4+ |
| Developer | Readdle Technologies Limited | 北京飒思软件有限公司 |
Bugs and requests
Calendars
Reported bugs
3 issues- Disappearing events and appointments
- Upgrade process causing data loss
- Freezing and crashing on certain devices
Requested features
5 requests- Recurring events for free users
- Customizable widgets and app icons
- Ability to archive/restore past events
- Improved Apple Watch integration
- Shared calendars and family management
轻投OA
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Calendars
- Calendars PRO 1 Month$3.991 Month
- Calendars by Readdle: Interesting Calendars1 Month trial$3.991 Year
- Calendars PRO 1 Month7 Days trial$3.991 Month
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- Calendars PRO 1 Year3 Months trial$19.991 Year
- Calendars PRO 1 Year7 Days trial2 variants$19.991 Year
- Calendars PRO 1 Year1 Year trial$19.991 Year
- Calendars PRO 1 Year14 Days trial$19.991 Year
- Calendars PRO 1 Year7 Days trial$21.991 Year
- Calendars PRO 1 Year7 Days trial$29.991 Year
- Calendars PRO LifetimeFree
- Invites & Attendees Upgrade$1.99
- Smart Input Upgrade$1.99
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- Full Upgrade$4.99
- Interesting Calendars$5.99
- My schedule planner, Organizer$6.99
- Full Pack$12.99
- Reminders & Calendars$19.99
- Recurring Events$31.99
轻投OA
No in-app purchases





