# PEM Diary - ME/CFS Crash Log

> Track post-exertional malaise episodes with severity, symptoms and duration

Canonical page: [https://chrome-stats.com/d/com.addjam.pemdiary](https://chrome-stats.com/d/com.addjam.pemdiary)

## Overview

- **ID:** `com.addjam.pemdiary`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** Add Jam
- **Category:** HEALTH\_AND\_FITNESS
- **Downloads:** 730
- **Version:** 1.1.1
- **Last updated:** 2025-10-07
- **First published:** 2025-04-09
- **Publisher country:** GB
- **Size:** 107 MB
- **Data as of:** 2026-09-12
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.addjam.pemdiary)
- **Website:** [https://addjam.com/](https://addjam.com/)
- **Privacy policy:** [https://addjam.com/privacy/](https://addjam.com/privacy/)

## Description

Do you experience episodes of extreme fatigue? PEM Diary helps you log and track post-exertional malaise (PEM) with personal records, including severity, symptoms, and duration. Whether you’re managing ME/CFS (Myalgic Encephalomyelitis/Chronic Fatigue Syndrome), Long COVID or dealing with unexplained fatigue, this app helps you identify patterns and keep a record for personal reference or discussions with your healthcare provider.<br><br>FEATURES:<br>- Log PEM crashes with start &amp; end dates<br>- Track severity (1–5 scale) &amp; symptoms<br>- Add notes for additional context<br>- View trends with a timeline &amp; dashboard<br>- 100% private – all data is stored locally on your device and never leaves it unless you export it<br><br>Use PEM Diary to track PEM for personal insights or to support medical discussions and diagnosis efforts. Start managing your health more effectively today!<br><br>DISCLAIMER<br>PEM Diary is a personal tracking tool, not a medical or diagnostic app. It does not provide medical advice or claim to be research-backed. Always consult a healthcare professional for medical concerns.<br><br>Start tracking your PEM episodes today!

## Rankings

- #1,255,906 — Overall

## Permissions and access

### Permissions

- `android.permission.ACCESS_NETWORK_STATE`
- `android.permission.ACCESS_WIFI_STATE`
- `android.permission.FOREGROUND_SERVICE`
- `android.permission.INTERNET`
- `android.permission.READ_EXTERNAL_STORAGE`
- `android.permission.WAKE_LOCK`
- `android.permission.WRITE_EXTERNAL_STORAGE`
- `com.addjam.pemdiary.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION`
- `com.android.vending.CHECK_LICENSE`

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