# Sigma Planner vs Grade Control

The clearest difference is review sentiment: Sigma Planner at 91% against Grade Control's 30%. Sigma Planner also leads on rating (4.8 vs 4.2) and in-app purchases (none vs 6). On price, ratings volume and ads there is nothing between them.

Both are free to download. Grade Control sells 6 in-app purchases, starting at $4.99 per year. Sigma Planner asks for nothing beyond the download.

Sigma Planner holds the better App Store score, 4.8 against 4.2. Both are backed by a comparable volume of ratings — 570 and 495 respectively. Written reviews point the same way: 91% of Sigma Planner's written reviews are positive against 30% of Grade Control's.

Sigma Planner ships an update fortnightly, Grade Control monthly. The most recent releases landed on October 19, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Sigma Planner | Grade Control |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (570 ratings)](https://appshunter.io/ios/app/sigma-planner/id1106938042/reviews)** | [4.2 (495 ratings)](https://appshunter.io/ios/app/grade-control-homework-app/id1123787414/reviews) |
| Number of ratings | **570** | 495 |
| Positive reviews | **91.4% of reviews** | 29.9% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Monthly |
| Monetization | **Free** | Free with in-app purchases |
| Size | 28 MB | 6 MB |
| Requires iOS | **13.6** | 17.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Shao-Chi Liang](https://appshunter.io/developer/1106938041) | [Kango Studios LLC](https://appshunter.io/developer/1115907089) |

## 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


### Grade Control

[App page](https://appshunter.io/ios/app/grade-control-homework-app/id1123787414)

Easily track your school courses, assignments, and GPA. This app automatically calculates your GPA and helps you set and achieve grade goals by showing you what you need on future assignments. Manage your academic progress with customizable grade scales and assignment tracking.

**Highlights:** Automatic GPA calculation, Set and track grade goals, Course and assignment tracking, Customizable grade scales, Assignment due date notifications, Weighted and non-weighted courses

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Grade Control Pro Yearly | $4.99 | per year |
| Grade Control Premium 6/Mo | $5.99 | per 6 months |
| Grade Control Premium 12/Mo | $9.99 | per year |
| Ultra - Yearly | $9.99 | per year |
| Premium - Unlimited Grades | $4.99 | one-time |
| GC Unlimited - Tip Large | $19.99 | one-time |

**What reviewers like**

- 🚀 Easy to use
- 💡 Customizable grade scales
- 👍 Helpful for tracking grades and GPA

**What reviewers complain about**

- 🐛 Glitchy and buggy
- 🔒 Limited free features, requires premium to unlock full functionality
- 👎 Poor customer support, unresponsive to user feedback

**Reported bugs**

- Assignments not saving properly
- Grades and progress resetting unexpectedly
- Frequent crashes and freezes

**Requested features**

- Add support for weighted grades and AP/advanced classes
- Improve syncing between devices
- Provide more detailed analytics and grade forecasting


## Frequently asked questions

### Is Sigma Planner free?

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

### Is Grade Control free?

Grade Control is free to download, with in-app purchases available.

### Which has better reviews, Sigma Planner or Grade Control?

Sigma Planner is rated higher. Sigma Planner averages 4.8 out of 5 from 570 ratings, while Grade Control averages 4.2 from 495 ratings.

### Do Sigma Planner or Grade Control have ads?

Neither Sigma Planner nor Grade Control shows ads.

### Which is updated more often, Sigma Planner or Grade Control?

Sigma Planner ships an update fortnightly, and Grade Control monthly. Most recently, Sigma Planner was updated on October 19, 2026 and Grade Control on October 18, 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.*