# SIGMA Tutor Tracker

> Lesson planning, attendance, and income tracking for teachers.

Canonical page: [https://chrome-stats.com/d/com.mehmathstudios.sigma\_os](https://chrome-stats.com/d/com.mehmathstudios.sigma_os)

## Overview

- **ID:** `com.mehmathstudios.sigma_os`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** Mehmath Studios
- **Category:** EDUCATION
- **Downloads:** 67
- **Version:** 1.1.2
- **Last updated:** 2026-08-15
- **First published:** 2026-01-15
- **Publisher country:** TR
- **Size:** 28 MB
- **Data as of:** 2026-09-05
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.mehmathstudios.sigma_os)
- **Website:** [https://mkozlu.github.io](https://mkozlu.github.io/)
- **Privacy policy:** [https://github.com/mkozlu/mkozlu.github.io/blob/main/sigma-privacy](https://github.com/mkozlu/mkozlu.github.io/blob/main/sigma-privacy)

## Description

TEACH. WE HANDLE THE REST.<br><br>SIGMA helps teachers and tutors manage lessons without the admin burden.<br><br>Plan lessons, track attendance, manage students, and keep your income organized — all in one simple, professional app built for teachers.<br><br>PLAN LESSONS WITH EASE  <br>Create one-time or recurring lessons in seconds. Weekly, bi-weekly, or monthly schedules are easy to set up and adjust.<br><br>MANAGE STUDENTS SMARTLY  <br>Keep all your students in one place. View lesson history, notes, attendance, and upcoming sessions at a glance.<br><br>FULL ATTENDANCE CONTROL  <br>Mark attendance quickly: attended, absent (charged or not), make-up, or canceled. No pop-ups, no friction.<br><br>CLEAR INCOME TRACKING  <br>Track payments and balances clearly. See who paid, who didn’t, and understand your income over time.<br><br>STAY FOCUSED  <br>SIGMA highlights what needs attention today so you can focus on teaching, not administration.<br><br>BUILT FOR TEACHERS WORLDWIDE  <br>Supports 12 languages and adapts to your system language automatically.<br><br>YOUR DATA, YOUR CONTROL  <br>All data stays on your device. Backup and restore anytime.<br><br>If you teach — SIGMA is for you.

## Rankings

- #2,126,725 — Overall

## Permissions and access

### Permissions

- `android.permission.ACCESS_NETWORK_STATE`
- `android.permission.INTERNET`
- `android.permission.WAKE_LOCK`
- `com.android.vending.BILLING`
- `com.android.vending.CHECK_LICENSE`
- `com.google.android.c2dm.permission.RECEIVE`
- `com.google.android.providers.gsf.permission.READ_GSERVICES`
- `com.mehmathstudios.sigma_os.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION`

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Source: [Chrome-Stats](https://chrome-stats.com/d/com.mehmathstudios.sigma_os)