# Gas Safe ACS Prep CCN1 — Domestic Gas Safety Practice

> Domestic Gas Safety Practice (iPhone/iPad app by MD Shahariar Nazim Joy.)

- Source: https://appshunter.io/ios/app/gas-safe-acs-prep-ccn1/id6792450802 (this page in markdown: same URL + `.md`)
- Developer: [MD Shahariar Nazim Joy](https://appshunter.io/developer/1893961943)
- Category: Education, Reference
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 17.0 · 10 MB
- Languages: American English
- Released: 2026-07-29
- Data updated: 2026-08-01
- User reviews in markdown: https://appshunter.io/ios/app/gas-safe-acs-prep-ccn1/id6792450802/reviews.md

## What is Gas Safe ACS Prep CCN1?

Gas Safe ACS Prep (CCN1) is an independent Domestic Gas Safety study aid for ACS Core and appliance modules — CCN1, CENWAT, CKR1, HTR1, MET1 and CPA1.

PURCHASE REQUIRED
A subscription or lifetime purchase is required to unlock the full app. There is no free tier. Prices are shown in the app in your local currency before you buy.

WHAT YOU GET
• 2,000+ original multiple-choice practice questions with detailed rationales
• Module selector for CCN1 core plus CENWAT, CKR1, HTR1, MET1 and CPA1
• Open-book style timed mocks, quick practice and practice-by-topic
• Flashcards with spaced repetition and a mistake bank
• Progress dashboard: readiness %, per-module mastery, streak and assessment countdown
• Fully offline — study on site or on the commute

BUILT FOR ACS THEORY PREP
Practice gas safety regulations themes, tightness testing, purging, pipework, ventilation, flues, combustion, emergencies and combustion performance analysis — original study concepts only.

SUBSCRIPTION & PRICING (USD reference)
• Monthly Access — $6.99 / month
• Yearly Access — $19.99 / year
• Lifetime Access — $34.99 one-time (non-consumable)
Payment is charged to your Apple ID. Auto-renewable subscriptions renew unless cancelled at least 24 hours before the period ends. Manage or cancel in Apple ID Settings → Subscriptions. Restore Purchases is available on the paywall and in Settings.

Privacy Policy: https://joykhansayan1.github.io/gas-safe-acs-prep/privacy.html
Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

DISCLAIMER
Not affiliated with, endorsed by, or connected to Gas Safe Register, any ACS assessment centre, IGEM, or any UK government body. Always follow current standards, manufacturer instructions and your centre’s materials.

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Yearly Access | $19.99 | per year |
| Monthly Access | $6.99 | per month |

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Lifetime Access | $34.99 | one-time |



## Version history (last 1 release)

### 1.0 — 2026-07-29

No release notes.

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All apps by MD Shahariar Nazim Joy: https://appshunter.io/developer/1893961943

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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 2026-08-01.*