Comparison

RetrofitReady vs Pass IET

Price, ratings, monetisation and update history for both apps, side by side β€” with what reviewers say about each.

Head to head
About

RetrofitReady

Master PAS 2035 coordinator knowledge with this comprehensive toolkit. Access exam-style questions, essential calculators, quick reference guides, and a CPD log. Ideal for training, revision, and on-site checks.

Highlights
  • 600+ exam-style questions
  • 10 study units
  • Full mock tests
  • Multiple calculators (ventilation, U-value, etc.)
  • Quick reference guides
  • CPD Log and Qualifications tracker
Features
Read full description

Master PAS 2035 coordinator knowledge with RetrofitReady: Coordinator. Study 600 exam-style questions across 10 focused units, then test yourself with a full mock test built from the complete question bank. Questions include scenario-based items, multi-answer formats, diagrams and explanations to help you understand the standard, not just memorise it. EXAM PREP - 10 study units covering domestic retrofit, dwelling assessment, assurance and risk, building physiology, fabric best practice, installation and site checks, building services, airtightness and ventilation, improvement options and monitoring and evaluation - 600 coordinator questions in total - Full mock test from the complete bank - Adjustable quiz lengths with VoiceOver support CALCULATORS - Ventilation calculator for ADF and PAS 2035 checks - U-value calculator - Insulation thickness calculator - Heat loss / HTC calculator - Condensation risk calculator - Cost / carbon / payback calculator QUICK REFERENCE - 9 quick-reference guides covering glossary terms, thermal conductivity, U-value targets, ventilation, fuel and carbon factors, roles matrix, retrofit pathology, EPC bands and risk paths TOOLBOX - CPD Log with targets, reminders and PDF export - Qualifications tracker for registrations, insurance and expiry reminders - Ventilation Assessment checklist based on PAS 2035:2023 Annex C / Table C.1 - Exam Countdown to track your assessment date Whether you are preparing for training, refreshing key standards or checking figures on site, RetrofitReady: Coordinator keeps revision, calculations and practical tools in one place. Privacy Policy: https://www.webrichsoftware.com/privacy.html Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Pass IET

Read full description

PASS IET is IET Wiring Regulations Practice Test Preparing for the IET Wiring Regulations Exam, C&G 2382-22? Or keen to refresh and upgrade your knowledge on the latest regulations? This app is the essential tool you’ve been looking for. Designed around the latest IET Wiring Regulations, 18th Edition, BS 7671:2018+A4:2022 (the Orange Book) + A3:2024 + A4:2026 that came into force in April 2026, the app is packed with questions that cover key updates, including Electric Vehicle Charging Installations, Prosumer’s Electrical Installations, and Identification and Notices. With over 500 carefully crafted, exam-style questions, this app comprehensively covers all parts of the regulations to give you the best preparation possible. Mock tests allow you to check your progress and build confidence ahead of the real exam. For added convenience, each answer includes a section and page reference in the regulations, making revision and navigation easier than ever. Whether you’re taking the test for the first time or are a seasoned electrician, this app will get you up to speed with the latest IET Wiring Regulations. Don’t just prepareβ€”excel with this must-have study tool! Key Features: - 600 Practice Questions: Covering all 8 parts of the IET Wiring Regulations, ensuring you're well-prepared for every topic. - Mock Exams: Three realistic mock tests simulate the actual exam environment, helping you build confidence for exam day. - Detailed Exercises: 10 exercises made from our question bank, offering in-depth practice to reinforce your understanding. - Bookmark Questions: Mark any question for review later, and even take a test made up solely of your bookmarked questions. - Instant Feedback: After completing any test, receive a detailed breakdown of your score, pass mark, correct and incorrect answers, as well as the number of skipped questions. - Test Review: Learn from your mistakes! Review completed tests to see where you went wrong, with explanations for each incorrect answer and references to the relevant IET regulations for further study. - Custom Practice: Focus on your weaker areas by selecting specific parts of the IET Wiring Regulations to practice. Whether you're preparing for your initial qualification or refreshing your knowledge, the IET Wiring Regulations Practice Test app is your comprehensive study companion. Terms of service & privacy policy: https://passiet.softwaring.co.uk/terms-of-use/ https://passiet.softwaring.co.uk/privacypolicy/

Screenshots

RetrofitReady4 screens
Pass IET4 screens

Verdict

The call

The clearest difference is update cadence: RetrofitReady at every 3 weeks against Pass IET's every 8 months. On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. RetrofitReady sells 4 in-app purchases, starting at $9.99 per month and Pass IET sells 3 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

RetrofitReady ships an update every 3 weeks, Pass IET every 8 months. Both last shipped on November 4, 2026.

Scorecard1 real difference Β· 7 level
RetrofitReady versus Pass IET: the parameters behind the verdict, then further details
ParameterRetrofitReadyPass IET
PriceFreeFree
Positive reviews10.0% of reviewsβ€”
Update frequencyEvery 3 weeks β€” betterEvery 8 months
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesβ€”
DevicesiPhone, iPadiPhone, iPad, iPod β€” better
Requires iOS16.015.0 β€” better
Further details β€” not scored
Size31 MB71 MB
Age rating4+4+
DeveloperEknath KadamMarwan Aziz

In-app purchases

4 purchases

RetrofitReady

Subscriptions4
  • Monthly$9.991 Month
  • Quarterly$19.993 Months
  • 6 Months$29.996 Months
Show 1 more
  • Yearly$39.991 Year
3 purchases

Pass IET

Subscriptions3
  • 1 Week$1.997 Days
  • 1 Month$4.991 Month
  • 1 Year$19.991 Year

Questions

Is RetrofitReady free?
RetrofitReady is free to download, with in-app purchases available.
Is Pass IET free?
Pass IET is free to download, with in-app purchases available.
Do RetrofitReady or Pass IET have ads?
Neither RetrofitReady nor Pass IET shows ads.
Which is updated more often, RetrofitReady or Pass IET?
RetrofitReady ships an update every 3 weeks, and Pass IET every 8 months. Most recently, RetrofitReady was updated on November 4, 2026 and Pass IET on November 4, 2026.

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