# Sigma Guru vs AIO Class

The clearest difference is in-app purchases: Sigma Guru at none against AIO Class's 7. AIO Class's advantage is update cadence (monthly vs every 6 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. AIO Class sells 7 in-app purchases, starting at $0.99 per month. Sigma Guru asks for nothing beyond the download.

Sigma Guru ships an update every 6 months, AIO Class monthly. The most recent releases landed on October 15, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Sigma Guru | AIO Class |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Monthly** |
| Monetization | — | Freemium |
| Size | 264 MB | 51 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [PT. AITRON DIGITAL INOVASI](https://appshunter.io/developer/1581307675) | [Adam Kurniawan Margolang](https://appshunter.io/developer/1778196624) |

## What reviewers say

### Sigma Guru

[App page](https://appshunter.io/ios/app/sigma-guru/id6478269542)

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

**In-app purchases:** none


### AIO Class

[App page](https://appshunter.io/ios/app/aio-class-class-management/id6737825197)

Streamline classroom administration with digital tools for attendance, grading, and communication. This app helps teachers manage tasks efficiently, share materials, assign homework, and conduct online exams, fostering better engagement between educators, students, and parents.

**Highlights:** Digital attendance tracking, Teaching journal with photo uploads, Task assignment and grading, Online CBT exam creation, Broadcast announcements, Student achievement/violation tracking

**Features:** macOS Compatibility

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Student Parent Monthly | $0.99 | per month |
| Student and Parent 6 Monthly | $0.99 | per 6 months |
| Teacher Monthly | $1.99 | per month |
| Teacher 6 Monthly | $1.99 | per 6 months |
| Student and Parent Annually | $6.99 | per year |
| Teacher One Year | $6.99 | per year |
| Teacher Annually | $24.99 | per year |


## Frequently asked questions

### Is Sigma Guru free?

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

### Is AIO Class free?

AIO Class is free to download, with in-app purchases available.

### Do Sigma Guru or AIO Class have ads?

Neither Sigma Guru nor AIO Class shows ads.

### Which is updated more often, Sigma Guru or AIO Class?

Sigma Guru ships an update every 6 months, and AIO Class monthly. Most recently, Sigma Guru was updated on October 15, 2026 and AIO Class on November 4, 2026.

---

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