# 30 Day Back Ext. Challenge!

> Support 30 day Back Extension!

Canonical page: [https://chrome-stats.com/d/id1435562187](https://chrome-stats.com/d/id1435562187)

## Overview

- **ID:** `id1435562187`
- **Platform:** Apple
- **Type:** Apple app
- **Status:** Available
- **Publisher:** Intersect
- **Category:** Health & Fitness
- **Rating:** 5.00 / 5 (6 ratings)
- **Version:** 8.0.0
- **Last updated:** 2026-01-29
- **First published:** 2020-04-15
- **Size:** 21 MB
- **Data as of:** 2026-09-09
- **Store listing:** [Apple App Store](https://apps.apple.com/us/app/30-day-back-ext-challenge/id1435562187)
- **Website:** [https://mmdd.app/](https://mmdd.app/)
- **Privacy policy:** [https://mmdd.app/iOS/BackExtensionChallenge/PrivacyPolicy/](https://mmdd.app/iOS/BackExtensionChallenge/PrivacyPolicy/)

## Description

The 30 Day Back Ext. Challenge Chrome extension helps you complete a daily back extension as part of a 30-day program. It counts each day’s extension, manages achievement days, and sends timely notifications to help you stay on track.

Optional permissions include Apple Health for recording data, Tracking for personalized ads, and Notifications. The extension supports English and Japanese, and notes that Dynamic Island devices are not supported.

## Rankings

- #403,560 — Overall

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Source: [Chrome-Stats](https://chrome-stats.com/d/id1435562187)