# Sigma Planner vs School Assistant

The clearest difference is in-app purchases: Sigma Planner at none against School Assistant's 6. Sigma Planner also leads on update cadence (fortnightly vs every 2 months) and iOS requirement (13.6 vs 17.0). School Assistant's advantage is ratings volume (4.7K vs 570). On price, rating, review sentiment and ads there is nothing between them.

Both are free to download. School Assistant sells 6 one-off in-app purchases. Sigma Planner asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.8 for Sigma Planner against 4.8 for School Assistant. That said, the two scores are not equally well evidenced: School Assistant has 4.7K ratings behind it against 570, so its average is the more settled of the two. Written reviews are what separate them: 91% of Sigma Planner's written reviews are positive against 88% of School Assistant's.

Sigma Planner ships an update fortnightly, School Assistant every 2 months. The most recent releases landed on October 19, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Sigma Planner | School Assistant |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (570 ratings)](https://appshunter.io/ios/app/sigma-planner/id1106938042/reviews) | [4.8 (4.7K ratings)](https://appshunter.io/ios/app/school-assistant-planner/id1465687472/reviews) |
| Number of ratings | 570 | **4.7K** |
| Positive reviews | **91.4% of reviews** | 87.5% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 2 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 28 MB | 538 MB |
| Requires iOS | **13.6** | 17.0 |
| Devices | iPhone, iPad, iPod, Mac | **iPhone, iPad, Mac, Apple Watch, Vision Pro** |
| Age rating | 4+ | 4+ |
| Developer | [Shao-Chi Liang](https://appshunter.io/developer/1106938041) | [Sun Apps, LLC](https://appshunter.io/developer/1465505382) |

## What reviewers say

### Sigma Planner

[App page](https://appshunter.io/ios/app/sigma-planner/id1106938042)

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

**In-app purchases:** none

**What reviewers like**

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

**What reviewers complain about**

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

**Reported bugs**

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

**Requested features**

- 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


### School Assistant

[App page](https://appshunter.io/ios/app/school-assistant-planner/id1465687472)

This app helps students organize their academic life by tracking homework, tests, and class schedules. It provides a dedicated space for class information, website links, and customizable reminders. The app offers seamless integration across Apple devices and a user-friendly interface.

**Highlights:** Homework and test tracking, Class schedule management, Class information storage, Website link saving, Customizable reminders, Apple Watch app integration, iCloud data syncing

**Features:** Apple Watch app

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Tip Jar – $0.99 | $0.99 | one-time |
| Tip Jar – $1.99 | $1.99 | one-time |
| Tip Jar – $2.99 | $2.99 | one-time |
| Tip Jar – $3.99 | $3.99 | one-time |
| Tip Jar – $4.99 | $4.99 | one-time |
| Tip Jar – $0.99 | $400.00 | one-time |

**What reviewers like**

- 🚀 Helpful for staying organized
- 👍 Easy to use and customizable
- 🔓 Completely free with no ads or in-app purchases
- 🤖 Integrates with Google Classroom
- 📆 Useful schedule and countdown features

**What reviewers complain about**

- 🐛 Occasional crashes and glitches
- 🔍 Limited integration with other school platforms
- 🕰️ Needs more reminder options for assignments
- 🗓️ Difficulty sorting assignments chronologically

**Reported bugs**

- Schedule details disappearing when switching days
- App crashing on certain devices after updates
- Widgets not displaying information correctly

**Requested features**

- Calendar view for assignments and tests
- Ability to mark assignments as in-progress
- Syncing across multiple devices
- More customization options for widgets
- Integration with other school apps like Canvas


## Frequently asked questions

### Is Sigma Planner free?

Sigma Planner is free to download, with no in-app purchases.

### Is School Assistant free?

School Assistant is free to download, with in-app purchases available.

### Which has better reviews, Sigma Planner or School Assistant?

Sigma Planner and School Assistant are both rated 4.8 out of 5 on the App Store, from 570 and 4.7K ratings respectively.

### Do Sigma Planner or School Assistant have ads?

Neither Sigma Planner nor School Assistant shows ads.

### Which is updated more often, Sigma Planner or School Assistant?

Sigma Planner ships an update fortnightly, and School Assistant every 2 months. Most recently, Sigma Planner was updated on October 19, 2026 and School Assistant on October 20, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*