Comparison

Sigma Planner vs Schooly

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

Head to head
About

Sigma Planner

This app helps students organize their academic life by tracking classes, tasks, and schedules. It offers customizable features, cross-device syncing, and home screen widgets for easy access to important information.

Highlights
  • Organize courses by semester
  • Create and manage tasks with priority
  • Flexible class schedule support
  • Home screen widgets for quick access
  • iCloud sync across devices
  • Customizable themes and app icons
Read full description

Sigma Planner is the perfect companion app for your academics that will help you track your classes and tasks with ease. It features a wide range of features to help you stay organized, as well as a beautiful design that is smooth, customizable, and adaptive for every device. With Sigma Planner, you will never need to carry your school planner anymore; all your planner and school information is available on your iPhone, iPad, and Mac. ORGANIZATION Sigma Planner offers a wide variety of features to organize your academic life. You should not need to clear or clutter your timetable every time you move onto the next semester. Sigma Planner offers the ability to organize your courses by semesters, which will allow you to retain records of all your past classes and assignments without having to delete them. TASKS Tasks are the core of any type of planner. In Sigma Planner, tasks can be created for a course, on a date, with a different task type, priority, and more. Tasks should always be easy to find; with the built-in search and filter features, you will never lose a task. CLASS SCHEDULES Sigma Planner is fully equipped to handle the many different schedule types around the world. The app is very flexible supports time-based, period-based, and block-based schedules, as well as supporting biweekly schedules, and late start or early end dates for specific classes. You can also enable class notifications to receive alerts before your classes occur. WIDGETS On iOS 14, Sigma Planner offers three kinds of home screen widgets which allow you to quickly glance at your planner data. You can quickly view your up next classes and tasks, focus on a specific course, or display your current week's timetable right from your home screen. Each widget also contain customization options to display just the information you want. iCLOUD SYNC Your data is always up to date across your devices through iCloud. You can edit a task on your iPhone, and you will immediately see them on iPad or Mac as soon as you hit save. There are no logins; no external accounts; it just works. FLEXIBILITY There are many built-in customizations available in Sigma Planner, including: dark mode, custom accent colours, display styles for tasks and courses, notification customizations, and more. The app also includes a handful of custom app icons to really spice up your home screen! DESIGN The app has a clean, simple, and intuitive interface. On top of that, Sigma Planner comes with 60 course icons to customize your classes, all on top of the customizations you get with the app. These course icons are also available as an iMessage sticker pack that comes with the app so you can share them with your friends! FOR iPAD Sigma Planner also has additional features for iPadOS users with an interface that is better suited for the larger iPad screen size, while at the same time, remain adaptive in supporting split screen multitasking and multiple-windows. Additionally, you can even drag a course to show the course detail in a separate window. Sigma Planner also offers support for trackpads and mice. ACCESSIBILITY Accessibility is one of the most powerful features of the iPhone, iPad, and Mac. Sigma Planner supports system accessibility features like Voice Over and Voice Control. Moreover, the app supports Dynamic Type, which scales text based on your system's Dynamic Type settings. SECURITY Protecting your tasks and course information has never been easier. Unlike your paper agenda, Sigma Planner has the ability to lock the app with a passcode, and allow your to easily unlock with Touch ID and Face ID on available devices.

About

Schooly

Manage your academic life with this planner app. Organize schedules, timetables, to-dos, and assignments. Features include deadline reminders, attendance tracking, and customizable themes for students of all levels.

Highlights
  • Multiple schedule support
  • Color-coded classes
  • To-do, assignment, and exam management
  • Deadline reminders
  • Attendance rate calculation
  • Customizable themes
  • Widgets for upcoming classes and tasks
Features
Read full description

Enrich your academic life with our sleek and functional school planner app!! You'll get everything you need to manage school schedules, timetables, to-dos and assignments. We designed Schooly based on research with actual students in middle school, high school and university. Schooly supports you in all stages of academic life! KEY FEATURES ・Support for multiple schedules ・Color-coded classes ・To-do, assignment and exam management ・Deadline reminders ・Attendance rate calculation ・Attendance record ・Notes ・Easy-to-use class registration ・Beautiful and colorful themes ・Upcoming Classes Widget ・Upcoming Tasks Widget NEW: ・iCloud sync across all your devices (premium) ・Whole-week & lock screen widgets ・Class-start reminders ・Custom class colors Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://schooly.rocks/en/privacy_policy.html

Screenshots

Sigma Planner4 screens
Schooly4 screens

Verdict

The call

The clearest difference is in-app purchases: Sigma Planner at none against Schooly's 4. Sigma Planner also leads on ads (none vs shown) and rating (4.8 vs 4.5). Schooly's advantage is update cadence (every 5 days vs fortnightly). On price and ratings volume 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. Schooly sells 4 in-app purchases, starting at $2.99 per month. Sigma Planner asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Sigma Planner holds the better App Store score, 4.8 against 4.5. Both are backed by a comparable volume of ratings — 595 and 402 respectively. Written reviews point the same way: 91% of Sigma Planner's written reviews are positive against 74% of Schooly's.

UpkeepUpdate frequency

Sigma Planner ships an update fortnightly, Schooly every 5 days. Both last shipped on October 24, 2026.

Scorecard8 real differences · 2 level
Sigma Planner versus Schooly: the parameters behind the verdict, then further details
ParameterSigma PlannerSchooly
PriceFreeFree
Rating4.8 (595 ratings) — better4.5 (402 ratings)
Positive reviews91.4% of reviews — better73.6% of reviews
Number of ratings595 — better402
Update frequencyFortnightlyEvery 5 days — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPod, Mac — betteriPhone, iPad
Requires iOS13.6 — better17.0
Further details — not scored
Size28 MB45 MB
Age rating4+4+
DeveloperShao-Chi LiangArtefact Inc.

Customer experience

Sigma Planner

All ratings570 ratings
Positive96.8%
Neutral2.8%
Negative0.4%
Written reviews139 reviews
Positive91.4%
Neutral6.5%
Negative2.2%

Schooly

All ratings399 ratings
Positive89.2%
Neutral4.8%
Negative6.0%
Written reviews121 reviews
Positive73.6%
Neutral17.4%
Negative9.1%

User reviews

Sigma Planner

From 595 App Store ratings

What we love

  • 👍 Highly customizable
  • 🚀 Seamless syncing across devices
  • 💡 Comprehensive features for students
  • 👍 Clean and intuitive interface
  • 🚀 Completely free with no ads

Room to improve

  • 🐛 Calendar and date picker issues
  • 🐛 Occasional app crashes
  • 🐛 Courses/schedule not always displaying correctly

Schooly

From 402 App Store ratings

What we love

  • 🌟 Aesthetically pleasing design
  • 📚 Helpful for organizing school schedules
  • 📝 Easy to add tasks and assignments
  • 🎨 Customizable color schemes
  • 🔍 Useful widgets for quick access

Room to improve

  • ⏱️ Inability to customize class times
  • 📅 Difficulty handling complex/rotating schedules
  • 🔒 Lack of sync/sharing options across devices
  • 📱 Compatibility issues with larger screens
  • 💰 Ads that can't be removed

Bugs and requests

Sigma Planner

Reported bugs

3 issues
  • Calendar not showing all months
  • Reminders not working as expected
  • Syncing issues between devices

Requested features

4 requests
  • Ability to set recurring tasks/assignments
  • Integration with other calendars (e.g. Google Calendar)
  • More visual indicators for completed tasks
  • Option to rearrange course order

Schooly

Reported bugs

2 issues
  • Issues with saving and loading class schedules
  • Problems with marking tasks as complete

Requested features

5 requests
  • Add support for 12-hour time format
  • Implement a multi-week schedule option
  • Allow customization of class durations
  • Introduce a dark mode and larger widgets
  • Add iCloud sync and sharing capabilities

In-app purchases

None

Sigma Planner

No in-app purchases

4 purchases

Schooly

Subscriptions2
  • Schooly Premium Monthly$2.991 Month
  • Schooly Premium Annual$11.991 Year
One-time2
  • Schooly Premium$2.99
  • Schooly Premium Lifetime$19.99

Questions

Is Sigma Planner free?
Sigma Planner is free to download, with no in-app purchases.
Is Schooly free?
Schooly is free to download, with in-app purchases available.
Which has better reviews, Sigma Planner or Schooly?
Sigma Planner is rated higher. Sigma Planner averages 4.8 out of 5 from 595 ratings, while Schooly averages 4.5 from 402 ratings.
Do Sigma Planner or Schooly have ads?
Schooly shows ads; Sigma Planner does not.
Which is updated more often, Sigma Planner or Schooly?
Sigma Planner ships an update fortnightly, and Schooly every 5 days. Most recently, Sigma Planner was updated on October 24, 2026 and Schooly on October 24, 2026.

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