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Best Plumbing Code Apps

250+ iOS apps curated and reviewed

4.6 avg rating
16 free apps
Updated September 2026

With an average user rating of 4.6★, the plumbing code category is one of the App Store's strongest. Browse all 250+ apps we track, sorted so the most loved ones surface first.

Compare top Plumbing Code Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Code Snap: UPC & IPC ProCode Snap: UPC & IPC ProFree was $7.994.7★ (231)NoYesAug 2026
2Journeyman Plumber Test PrepJourneyman Plumber Test PrepFree4.7★ (59)YesYesAug 2026
3Code Snap: AI PlumbingCode Snap: AI PlumbingFree5.0★ (3)NoYesSep 2026
4Plumber's HandbookPlumber's HandbookFree5.0★ (1)NoNoSep 2026
5IAPMO CodesIAPMO CodesFree3.8★ (6)NoNoMay 2026
6Plumbing 3D IPC Code LearningPlumbing 3D IPC Code Learning$2.99 was $5.99—NoNoAug 2026
7Journeyman Plumber Exam PrepJourneyman Plumber Exam PrepFree4.6★ (141)YesYesJul 2026
8PipehoundPipehound$9.99—NoNoAug 2026

Top Picks for Plumbing Code

Code Snap: UPC & IPC Pro#1

Code Snap: UPC & IPC Pro by Magnitude LLC

Uniform Plumbing Code
Editor's Choice
🔧 Utilities
4.7(231 ratings)
FreeIn-App Purchases
Code Snap: UPC & IPC Pro screenshot 1
Code Snap: UPC & IPC Pro screenshot 2
Code Snap: UPC & IPC Pro screenshot 3
Code Snap: UPC & IPC Pro screenshot 4
Code Snap: UPC & IPC Pro screenshot 5
Code Snap: UPC & IPC Pro screenshot 6

Access essential plumbing code data and calculations on the go. This app provides quick access to UPC & IPC tables, water line sizing, and fitting take-offs, streamlining fieldwork for plumbing professionals.

Journeyman Plumber Test Prep#2

Journeyman Plumber Test Prep by S Mehta

Master Plumber Practice Exam
Strong Contender
📚 Education
4.7(59 ratings)
FreeAdsIn-App Purchases
Journeyman Plumber Test Prep screenshot 1
Journeyman Plumber Test Prep screenshot 2
Journeyman Plumber Test Prep screenshot 3
Journeyman Plumber Test Prep screenshot 4
Journeyman Plumber Test Prep screenshot 5
Journeyman Plumber Test Prep screenshot 6

Prepare for your Journeyman Plumber exam with over 1000 practice questions and simulated tests. Track your progress and analyze performance to ensure you meet the required standard for certification.

Code Snap: AI Plumbing#3

Code Snap: AI Plumbing by Magnitude LLC

UPC & IPC Code Responses
Worth Considering
🔧 Utilities
5.0(3 ratings)
FreeIn-App Purchases
Code Snap: AI Plumbing screenshot 1
Code Snap: AI Plumbing screenshot 2
Code Snap: AI Plumbing screenshot 3

This AI-powered tool provides quick, clear, and professional plumbing code responses based on UPC and IPC standards. It helps professionals understand code intent and application for installations, inspections, and exam preparation, offering jobsite-ready guidance.

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FAQ about Plumbing Code

What are the best plumbing code apps for iPhone?
Code Snap: UPC & IPC Pro tops our plumbing code apps ranking as of September 2026, with a 4.7-star average from 231 App Store ratings, and it's free to download.
Yes — 16 of the top plumbing code apps we rank are free to download, including Code Snap: UPC & IPC Pro and Journeyman Plumber Test Prep.
Code Snap: UPC & IPC Pro has no ads and offers in-app purchases, according to its App Store listing as of September 2026.
We track 250+ plumbing code apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
Code Snap is a plumbing reference tool that provides quick access to Uniform Plumbing Code (UPC) and International Plumbing Code (IPC) tables, along with calculators for water line sizing and fitting take-offs. It is designed for plumbing professionals to use on the jobsite.
Key features include quick access to core plumbing tables, the ability to toggle between UPC and IPC, water main and branch sizing calculations, DWV and H2O fitting take-offs with editable values, and an interactive, color-coded interface optimized for one-handed use in the field. Users can also share code and take-off values.

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