Comparison

2391 Inspection & Testing Pro vs Oliver's Whiteboard

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

Head to head
About

2391 Inspection & Testing Pro

Prepare for your PCV (Bus/Coach) theory test with over 970 official DVSA revision questions. Study by topic, take mock tests, and review detailed results to track your progress and identify weak areas.

Highlights
  • 970+ official DVSA revision questions
  • Study by topic
  • Mock test simulation
  • Detailed test results with email option
  • Highway Code e-book reader
  • Progress meter with pie chart
  • Randomized questions
Features
Read full description

Pass the City & Guilds 2391-52 with 556 exam-standard questions, real exam-format mock tests, and the field tools you will actually use on site. Built against BS 7671:2018+A4:2026 Part 6 (Inspection and Testing). EXAM PREP โ€” OPEN BOOK & CLOSED BOOK The 2391-52 is sat in two parts, so the question bank is organised the same way. Work through the full open-book syllabus, then switch to Closed Book to drill the topics you must know without the regs in front of you. โ€ข Initial Verification โ€” 132 questions โ€ข Periodic Inspection โ€” 133 questions โ€ข Test Procedures โ€” 78 questions โ€ข Certification and Reporting โ€” 63 questions โ€ข Fault Coding โ€” 67 questions โ€ข Safe Isolation and GS38 โ€” 47 questions โ€ข Statutory Requirements โ€” 36 questions Every question carries a worked explanation, and diagrams are drawn to scale for test sequences, schedules and certificate extracts. MOCK TEST THAT MATCHES THE REAL THING 60 questions in 120 minutes, weighted across topics exactly as the real 2391-52 paper is. Questions and answer options are shuffled on every attempt, so you learn the subject rather than the position of the right answer. SEVEN ON-SITE CALCULATORS โ€ข Max Zs โ€” 0.8 x tabulated rule of thumb โ€ข R1+R2 โ€” predict the continuity reading before you measure it โ€ข Zs from Components โ€” Ze + (R1+R2), checked against the tabulated limit โ€ข Prospective Fault Current โ€” the Ipf figure the certificate asks for โ€ข Ring Final โ€” (r1+r2)/4 continuity check โ€ข Adiabatic โ€” S = the square root of (I squared x t) / k โ€ข Voltage Drop โ€” mV/A/m x Ib x L QUICK REFERENCE 26 reference cards across test and limiting values, classification and reporting, safe isolation and GS38, test sequence and procedure, and wiring identification and colours. Bookmark the ones you keep coming back to. FIELD TOOLS โ€ข Digital Certificates โ€” build EIC, Minor Works and EICR / Condition Reports, then export a clean PDF โ€ข Visual Inspection โ€” full Schedule of Inspection, tickable on site โ€ข Dead Testing and Live Testing โ€” Schedule of Test Results, step by step โ€ข EICR Coding Guide โ€” C1, C2, C3 and FI, with the reasoning behind each โ€ข Fault Coding Trainer โ€” classify real EICR observations and check yourself against the correct code ALSO INCLUDED โ€ข Flash cards for rapid revision โ€ข Voice-over in UK English, so you can revise hands-free โ€ข Progress history and per-topic scoring to show where you are weak โ€ข Choose 1 to 100 questions per practice session โ€ข Exam date reminders โ€ข iCloud sync across your iPhone and iPad Free to start. A subscription unlocks the full 556-question bank, unlimited mock exams, all calculators and Quick Reference, the fault coding trainer, and certificate export. Subscriptions renew automatically unless cancelled at least 24 hours before the end of the current period. Manage or cancel in your Apple Account settings. Privacy Policy: https://www.webrichsoftware.com/privacy.html Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Oliver's Whiteboard

Features
Read full description

Oliver's Whiteboard - Learn to Write Letters & Numbers Master the fundamentals of writing with Oliver's Whiteboard, the perfect educational app for children learning to write letters and numbers. This interactive whiteboard combines fun drawing tools with guided practice templates to make learning engaging and effective. Perfect for Early Learners: Practice writing all 26 letters (A-Z) Master numbers 0-9 Ideal for preschoolers, kindergarteners, and early elementary students Interactive Learning Experience: Choose between Letters or Numbers categories Drag and position templates anywhere on your canvas Show or hide templates to practice independently Use your finger or Apple Pencil for natural writing practice Professional Drawing Tools: Full-featured drawing canvas with PencilKit integration Multiple pen colors, sizes, and brush types Smooth, responsive drawing experience Professional-grade tools that grow with your child Smart Features: Dark/Light mode toggle for comfortable learning Easy template selection and positioning Clear instructions and helpful guidance Share your progress with family and friends Why Parents Love It: No ads or in-app purchases Simple, intuitive interface designed for children Encourages creativity while building essential skills Perfect for both individual practice and guided learning Universal App: Optimized for iPhone and iPad Apple Pencil support for the most natural writing experience Beautiful, modern design that children love Give your child the perfect foundation for writing success with Oliver's Whiteboard. Download today and watch them develop confidence in writing letters and numbers through fun, interactive practice!

Screenshots

2391 Inspection & Testing Pro4 screens
Oliver's Whiteboard4 screens

Verdict

The call

The clearest difference is price: 2391 Inspection & Testing Pro at Free against Oliver's Whiteboard's $0.99. 2391 Inspection & Testing Pro also leads on update cadence (monthly vs every 55 months). Oliver's Whiteboard's advantage is in-app purchases (none vs 5). On ads, device support and iOS requirement there is nothing between them.

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

2391 Inspection & Testing Pro is free to download; Oliver's Whiteboard costs $0.99 up front. 2391 Inspection & Testing Pro sells 5 in-app purchases, starting at $9.99 per month. Oliver's Whiteboard asks for nothing beyond the download.

UpkeepUpdate frequency

2391 Inspection & Testing Pro ships an update monthly, Oliver's Whiteboard every 55 months. The most recent releases landed on November 4, 2026 and November 7, 2026 respectively.

Scorecard3 real differences ยท 5 level
2391 Inspection & Testing Pro versus Oliver's Whiteboard: the parameters behind the verdict, then further details
Parameter2391 Inspection & Testing ProOliver's Whiteboard
PriceFree โ€” better$0.99
Positive reviews95.0% of reviewsโ€”
Update frequencyMonthly โ€” betterEvery 55 months
AdsNoNo
In-app purchasesYesNo โ€” better
MonetizationPaidโ€”
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.016.0
Further details โ€” not scored
Size61 MB3 MB
Age rating4+4+
DeveloperEknath Kadamirie coffelt

In-app purchases

5 purchases

2391 Inspection & Testing Pro

Subscriptions4
  • Monthly$9.991 Month
  • Quarterly$19.993 Months
  • 6 Months$24.996 Months
Show 1 more
  • Yearly$39.991 Year
One-time1
  • Lifetime Access$59.99
None

Oliver's Whiteboard

No in-app purchases

Questions

Is 2391 Inspection & Testing Pro free?
2391 Inspection & Testing Pro is free to download, with in-app purchases available.
Is Oliver's Whiteboard free?
Oliver's Whiteboard costs $0.99, with no in-app purchases.
Do 2391 Inspection & Testing Pro or Oliver's Whiteboard have ads?
Neither 2391 Inspection & Testing Pro nor Oliver's Whiteboard shows ads.
Which is updated more often, 2391 Inspection & Testing Pro or Oliver's Whiteboard?
2391 Inspection & Testing Pro ships an update monthly, and Oliver's Whiteboard every 55 months. Most recently, 2391 Inspection & Testing Pro was updated on November 4, 2026 and Oliver's Whiteboard on November 7, 2026.

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