# 608 Practice

> Section 608 exam prep with hundreds of questions, PT charts, and smart practice.

Canonical page: [https://chrome-stats.com/d/com.afterhoursds.practice608](https://chrome-stats.com/d/com.afterhoursds.practice608)

## Overview

- **ID:** `com.afterhoursds.practice608`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** AHDS
- **Category:** EDUCATION
- **Downloads:** 15,460
- **Rating:** 4.49 / 5 (136 ratings)
- **Version:** 2026.8.15
- **Last updated:** 2026-08-17
- **First published:** 2020-02-28
- **Publisher country:** US
- **Size:** 21 MB
- **Data as of:** 2026-09-15
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.afterhoursds.practice608)
- **Website:** [https://epa608app.com](https://epa608app.com/)
- **Privacy policy:** [https://epa608app.com/privacy](https://epa608app.com/privacy)

## Description

**608 Practice** is an unofficial study guide app designed to help HVAC professionals prepare for the EPA 608 certification exam. Featuring a comprehensive bank of practice questions covering the Core, Type I, Type II, and Type III exams, it offers two study modes: Practice Mode for paced learning with immediate feedback, and Test Mode to simulate the real exam environment.

This app includes hundreds of questions based on the latest EPA standards, focusing on critical topics such as ozone depletion, recovery techniques, leak detection, refrigerant handling, and safety procedures. While not affiliated with the EPA, it serves as an effective tool for students and technicians aiming to succeed in their certification. For official information, users should consult the EPA's website directly.

## Rankings

- #479,554 — Overall
- #24 — Education (Paid)

## Permissions and access

### Permissions

- `android.permission.INTERNET`
- `android.permission.POST_NOTIFICATIONS`
- `android.permission.RECEIVE_BOOT_COMPLETED`
- `android.permission.SCHEDULE_EXACT_ALARM`
- `android.permission.VIBRATE`
- `com.afterhoursds.practice608.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION`
- `com.android.vending.CHECK_LICENSE`

## Review summary

Users overwhelmingly praise the app for effectively preparing them to pass the EPA 608 certification exam, noting the large question bank and accurate, exam-like questions. However, multiple reviews mention bugs with answer selections and grading, outdated or duplicate questions, lack of advanced navigation features, and absence of answer explanations. Despite these drawbacks, many find it a valuable and cost-effective study tool that helps build confidence and success on the actual test.

### Pros

- Highly effective in preparing users for the EPA 608 certification exam, with many reporting passing on their first attempt.
- Large question bank with many questions appearing nearly word-for-word on the actual exam.
- Simple, easy to use layout that aids in study and understanding.
- Considered good value for the money due to its effectiveness.
- Allows users to practice and focus on questions, improving confidence and knowledge.

### Cons

- Some bugs where selected answers change or answers appear differently during grading, causing confusion.
- Lack of features like bookmarking or jumping to specific questions to review weak areas.
- Some outdated or duplicate questions with occasional contradictory answers requiring users to verify externally.
- No explanations provided for answers, limiting deeper understanding beyond memorization.
- Interface issues like incorrect check marks appearing or auto-skipping questions during scrolling.

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Source: [Chrome-Stats](https://chrome-stats.com/d/com.afterhoursds.practice608)