Comparison

iM.Master vs Water Pipe Sizing Plumb

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

Head to head
About

iM.Master

Control building block robots with various intuitive methods. Explore fun through conventional key controls, gravity sensing, line drawing, and action programming.

Highlights
  • Conventional key remote control
  • Gravity sensing control
  • Line drawing remote control
  • Action programming control
  • Multiple control styles
Features
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iM.Master.It contains a variety of control modes with different styles, including: conventional key remote control, gravity sensing, line drawing remote control, action programming control and other modes, so that you can experience different fun!

About

Water Pipe Sizing Plumb

Features
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Water Pipe Sizing Calculator sizes water supply distribution piping per the printed IPC 2024 Table E103.3(2). Determine the minimum pipe size from WSFU load, meter & service line size, developed length and available pressure range (30-39, 40-49, 50-60, over 60 psi). Works 100% offline on the job site. Calculate pipe sizes in seconds instead of manually referencing code tables - reduce errors, ensure full code compliance, speed up material estimates. FEATURES - IPC 2024 Table E103.3(2): the complete printed table - minimum size of water meters, mains and distribution piping by WSFU - 4 Pressure Ranges per the code: 30-39, 40-49, 50-60 and over 60 psi - Meter & Service Line Sizes: 3/4", 1", 1-1/2" and 2" with the printed distribution combinations (1/2" through 2-1/2") - Developed Lengths 40 to 500 ft: exact printed length brackets, with a clear notice beyond 500 ft - WSFU-Based Sizing: Input total Water Supply Fixture Units from fixture unit calculator - Material noted for the record: per the IPC the table applies to all approved materials (copper, CPVC, PEX, galvanized) HOW IT WORKS 1. Enter total WSFU load from fixture unit calculator 2. Select the available pressure (mapped to the printed 30-39 / 40-49 / 50-60 / over 60 psi ranges) 3. Select the meter & service line size and your pipe material 4. Enter longest developed pipe length 5. See the minimum distribution pipe size with its printed WSFU capacity PERFECT FOR - Plumbers and pipefitters sizing water supply systems - Journeyman plumbers and apprentices - Plumbing contractors and estimators calculating material - Mechanical engineers designing commercial systems - Plumbing inspectors verifying code compliance - Building code officials conducting plan reviews OPTIONAL PRO UPGRADE — $2.99 ONE-TIME IN-APP PURCHASE The following features require a separate one-time in-app purchase. They are not required to use the calculator: • Unlimited saved calculation history • PDF export of results • Dark theme • Ad-free experience STANDARDS & COMPLIANCE IPC 2024 Table E103.3 Water Supply Pipe Sizing Table - complete sizing data for all approved pipe materials and pressure classifications, UPC (Uniform Plumbing Code) water supply pipe requirements, IPC Section 403 Water Supply and Distribution, Material-specific pressure ratings per manufacturers and code standards. PERFECT FOR - Professional plumbers and pipefitters - Journeyman and apprentice plumbers - Mechanical engineers and estimators - Plumbing inspectors and code officials - Plumbing contractors - Plumbing educators and students OFFLINE & PRIVACY - Works 100% offline - calculate pipe sizes anywhere on site - No account required - immediate access without signup - No data collection - all designs stored locally - No internet dependency Part of PlumbTools Suite - professional plumbing code calculators and reference tools. Calculate water pipe sizes accurately, ensure IPC 2024 compliance, and speed up material estimates with instant water pipe sizing.

Screenshots

iM.Master4 screens
Water Pipe Sizing Plumb4 screens

Verdict

The call

The clearest difference is price: iM.Master at Free against Water Pipe Sizing Plumb's $0.99. iM.Master also leads on in-app purchases (none vs 1) and ads (none vs shown). Water Pipe Sizing Plumb's advantage is update cadence (every 3 weeks vs every 2 months) and iOS requirement (13.0 vs 15.6). On 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

iM.Master is free to download; Water Pipe Sizing Plumb costs $0.99 up front. Water Pipe Sizing Plumb sells 1 one-off in-app purchase. iM.Master asks for nothing beyond the download.

UpkeepUpdate frequency

iM.Master ships an update every 2 months, Water Pipe Sizing Plumb every 3 weeks. The most recent releases landed on October 19, 2026 and September 19, 2026 respectively.

Scorecard5 real differences · 5 level
iM.Master versus Water Pipe Sizing Plumb: the parameters behind the verdict, then further details
ParameteriM.MasterWater Pipe Sizing Plumb
PriceFree — better$0.99
Rating2.8 (90 ratings) — better—
Positive reviews47.2% of reviews—
Number of ratings90 — better—
Update frequencyEvery 2 monthsEvery 3 weeks — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS15.613.0 — better
Further details — not scored
Size25 MB33 MB
Age rating4+17+
Developer卓挺 杜Rizvan Adzhoian

In-app purchases

None

iM.Master

No in-app purchases

1 purchases

Water Pipe Sizing Plumb

One-time1
  • Pro Unlock$2.99

Questions

Is iM.Master free?
iM.Master is free to download, with no in-app purchases.
Is Water Pipe Sizing Plumb free?
Water Pipe Sizing Plumb costs $0.99, and also offers in-app purchases.
Do iM.Master or Water Pipe Sizing Plumb have ads?
Water Pipe Sizing Plumb shows ads; iM.Master does not.
Which is updated more often, iM.Master or Water Pipe Sizing Plumb?
iM.Master ships an update every 2 months, and Water Pipe Sizing Plumb every 3 weeks. Most recently, iM.Master was updated on October 19, 2026 and Water Pipe Sizing Plumb on September 19, 2026.

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