Comparison

IAPMO Codes vs PlumbPro

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

Head to head
About

IAPMO Codes

Access and manage your purchased IAPMO codes, including the UPC, UMC, and others. Make annotations, record voice notes, and view content offline. Stay informed with code errata, committee information, and breaking news.

Highlights
  • View purchased IAPMO codes
  • Offline access
  • Make annotations
  • Voice recordings
  • Access code errata
  • View development timeline
  • Direct access to engineering staff
Features
Read full description

View your purchased IAPMO codes such as the UPC, UMC, USHGC, USPSHTC, WEStand and NSPC. Make annotations, voice recordings or view offline while heading to your next meeting. Have access to code errata, apply to committees, see the current timeline, be informed of the process and be notified for any breaking news. Get full access to all codes development related information. You will also have direct access to the engineering staff and support staff for any questions on the codes or the process.

About

PlumbPro

Prepare for your Journeyman or Master Plumber exam with comprehensive practice questions, realistic simulations, and detailed code references. Track your progress, study offline, and utilize smart tools to master weak areas.

Highlights
  • 1,440+ practice questions
  • Realistic exam simulations
  • Complete IPC code reference
  • Smart study tools (Weak Area Practice, Spaced Repetition)
  • Progress tracking
  • Offline study mode
Features
Read full description

Pass your Journeyman or Master Plumber exam on the first try with PlumbPro — the most comprehensive IPC exam prep app available. ◆ 1,440+ PRACTICE QUESTIONS Study all 13 IPC exam topics with questions based on the International Plumbing Code. Every question includes detailed explanations and direct code references so you understand the "why" behind every answer. ◆ REALISTIC EXAM SIMULATIONS Take full-length Journeyman (100 questions, 4 hours) and Master (110 questions, 4 hours) practice exams weighted by topic — just like the real test. Get instant score reports with pass prediction and topic breakdown. ◆ COMPLETE IPC CODE REFERENCE Browse 293 searchable code sections from the IPC, IFGC, and NFPA 99 right in the app. Tap any code reference in a question to jump directly to the relevant section. ◆ SMART STUDY TOOLS - Weak Area Practice — auto-generated quizzes from your lowest-scoring topics - Spaced Repetition — resurfaces questions you struggle with - Question Search — find any question by keyword or code section - Flashcards — quick review on the go - Bookmarks — save important questions for later ◆ TRACK YOUR PROGRESS Monitor your exam readiness score, topic mastery, daily study streak, and estimated pass probability. Earn achievement badges as you progress. ◆ STUDY OFFLINE All questions stored locally. Study on the job site, on break, or anywhere without internet. EXAM COVERAGE: Drainage Systems • Venting • Water Supply • Fixtures & Faucets • Backflow Prevention • Water Heaters • Piping Materials • Code Administration • Gas Piping • Indirect Waste • Medical Gas • Traps & Interceptors • Storm Drainage AVAILABLE IN 35+ IPC STATES: Ohio, Texas, Florida, New York, Pennsylvania, Georgia, North Carolina, Virginia, and more. FREE TO START: - All 13 topics with 10 questions each - Quick Quiz mock exam - Full Code Reference & Study Guides - Progress tracking UPGRADE TO PRO: - All 1,440+ questions - Realistic weighted exams - Detailed explanations - Weak area practice & search - $19.99/month or $124.99/year Whether you're an apprentice preparing for your Journeyman exam or a Journeyman going for your Master license, PlumbPro has the tools to get you there. Terms of Use: https://plumbproprep.com/terms.html Questions or feedback? Email us at support@plumbproprep.com

Screenshots

IAPMO Codes4 screens
PlumbPro4 screens

Verdict

The call

The clearest difference is review sentiment: PlumbPro at 100% against IAPMO Codes's 0%. PlumbPro also leads on rating (5.0 vs 3.8) and update cadence (weekly vs every 7 months). IAPMO Codes's advantage is in-app purchases (none vs 2). On price, ratings volume, ads and device support there is nothing between them.

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. PlumbPro sells 2 in-app purchases, starting at $19.99 per month. IAPMO Codes asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

PlumbPro holds the better App Store score, 5.0 against 3.8. Both are backed by a comparable volume of ratings — 6 and 5 respectively. Written reviews point the same way: 0% of IAPMO Codes's written reviews are positive against 100% of PlumbPro's.

UpkeepUpdate frequency

IAPMO Codes ships an update every 7 months, PlumbPro weekly. The most recent releases landed on November 2, 2026 and November 5, 2026 respectively.

Scorecard5 real differences · 5 level
IAPMO Codes versus PlumbPro: the parameters behind the verdict, then further details
ParameterIAPMO CodesPlumbPro
PriceFreeFree
Rating3.8 (6 ratings)5.0 (5 ratings) — better
Positive reviews0.0% of reviews100.0% of reviews — better
Number of ratings6 — better5
Update frequencyEvery 7 monthsWeekly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFreemium
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.0 — better15.1
Further details — not scored
Size22 MB44 MB
Age rating4+4+
DeveloperIAPMORyan Kean

Customer experience

IAPMO Codes

All ratings6 ratings
Positive66.7%
Neutral0.0%
Negative33.3%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

PlumbPro

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

IAPMO Codes

No in-app purchases

2 purchases

PlumbPro

Subscriptions2
  • Pro Monthly7 Days trial$19.991 Month
  • Pro Annual$124.991 Year

Questions

Is IAPMO Codes free?
IAPMO Codes is free to download, with no in-app purchases.
Is PlumbPro free?
PlumbPro is free to download, with in-app purchases available.
Which has better reviews, IAPMO Codes or PlumbPro?
PlumbPro is rated higher. IAPMO Codes averages 3.8 out of 5 from 6 ratings, while PlumbPro averages 5.0 from 5 ratings.
Do IAPMO Codes or PlumbPro have ads?
Neither IAPMO Codes nor PlumbPro shows ads.
Which is updated more often, IAPMO Codes or PlumbPro?
IAPMO Codes ships an update every 7 months, and PlumbPro weekly. Most recently, IAPMO Codes was updated on November 2, 2026 and PlumbPro on November 5, 2026.

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