# Gas ACS CCN1 Exam — Practice CCN1 Gas Questions

> Practice CCN1 Gas Questions (iPhone/iPad app by Abdul Basit.)

- Source: https://appshunter.io/ios/app/gas-acs-ccn1-exam/id6749202714 (this page in markdown: same URL + `.md`)
- Developer: [Abdul Basit](https://appshunter.io/developer/1829270614)
- Category: Education, Utilities
- Price: Free
- Age rating: 4+
- Requires: iOS 17.6 · 10 MB
- Languages: American English
- Released: 2026-07-06
- Data updated: 2026-07-19
- User reviews in markdown: https://appshunter.io/ios/app/gas-acs-ccn1-exam/id6749202714/reviews.md

## What is Gas ACS CCN1 Exam?

Gas ACS Exam Prep helps gas engineers prepare for their ACS assessments with realistic practice questions, detailed explanations, flashcards, progress tracking, and personalised revision tools.

Whether you're studying for CCN1, CENWAT, CKR1, CPA1, HTR1, or MET1, the app is designed to help you identify weak areas, improve knowledge retention, and build confidence before your assessment.

Practice exam-style multiple-choice questions covering key topics including gas safety, ventilation, tightness testing, combustion performance, fault diagnosis, and industry regulations.

Free Features
• Free Quick Test
• Sample ACS practice questions
• Modern, easy-to-use interface

Premium Features
• 1,137+ ACS practice questions
• CCN1 (777 questions)
• CENWAT (120 questions)
• CKR1 (60 questions)
• CPA1 (60 questions)
• HTR1 (60 questions)
• MET1 (60 questions)

Study Tools
• Detailed explanations for questions
• Flashcards for every module and chapter
• Personalised revision recommendations
• Progress tracking and exam readiness scoring
• Quiz history and performance trends
• Flag questions for later review
• Practice by module or chapter
• Custom question count selection
• Instant results and feedback
• Offline revision support

Designed by a gas engineer for gas engineers, this app provides a practical way to prepare for ACS assessments and ongoing revision.

This app is intended as a revision and practice tool only and does not replace official training, ACS assessment, or manufacturer guidance.

Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/


## Version history (last 5 releases)

### 3.0.3 — 2026-07-06

Version 3.0.3

- Bug and fixes.

### 3.0.2 — 2026-07-06

Version 3.0.2

• Improved the layout and spacing for smaller screens.
• Added CloudKit sync, allowing your progress and data to stay.
• General performance improvements.

### 3.0.0 — 2026-06-18

What’s New

• Added a new Progress view to track your ACS exam readiness
• Questions now include detailed explanations
• View recent tests, scores, study time, and module progress
• Added personalised practice recommendations based on recent results
• Added a refreshed Home dashboard with readiness, streaks, and quick actions
• Added question count selection for chapter and module practice
• Improved flagged question review access
• Added flashcard revision with explanations for all modules and chapters
• Added a free Quick Test prompt for eligible users
• Improved quiz history tracking using local device storage
• Major UI improvements, bug fixes, and performance enhancements

### 2.0.0 — 2026-06-11

What's New

• Flag questions in every module for later review
• Review flagged, correct and incorrect answers after quizzes
• Improved results and answer review screens
• Better study workflow and question management
• Performance improvements and bug fixes

### 1.8 — 2026-04-23

• Improved performance and bug fixes  
• Added analytics to improve app experience  
• Minor UI improvements

## More apps by Abdul Basit

- [Boiler Fault Finding](https://appshunter.io/ios/app/boiler-fault-finding/id6758863272)

All apps by Abdul Basit: https://appshunter.io/developer/1829270614

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-07-19.*