UTCal vs Pump Mate
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
UTCal
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Your UT Bible, built for the field. Skip distance, D1.1 acceptance, beam path diagrams, encoder calibration, pipe data, and code criteria β offline, right in your pocket. Built by a working NDT tech for working NDT techs. No account. No internet. No subscription. Runs entirely on-device. CALCULATOR β’ Skip distance, half skip, and full skip for any angle and thickness β’ Beam spread β near-field distance, half-angle, and full spread β’ AWS D1.1 indication rating β’ Fracture mechanics β critical flaw size & ASME VIII Div 2/3 evaluation β’ Transfer correction (dB) β’ Encoder step resolution converter β steps/mm β steps/in, with target-distance conversion for OmniScan calibration β’ Imperial and metric β switch units anytime BEAM PATH DIAGRAM β’ Interactive cross-section of your beam path through the material β’ Drag the probe to see coverage and position change in real time β’ Rotate to landscape for a fullscreen diagram WELD OVERLAY β’ Overlay Single V or Double V weld joint profiles on the beam path diagram β’ 5 standard weld presets, or enter custom bevel angle, root opening, and root face β’ Index offset β see where your probe index point sits relative to the weld centerline PIPE DATA β’ NPS 1/8" through 48" per ASME B36.10M β’ OD, ID, wall thickness, and scan length for every standard schedule β’ Stainless steel schedules where wall thickness differs from carbon steel (dual ASME standard support) β’ Apple Watch companion β quick pipe lookups on your wrist CODE ACCEPT/REJECT CRITERIA β’ ASME Section V, Article 4 β’ ASME B31.3 β Process Piping β’ AWS D1.1 β Structural Welding β’ API 1104 β Pipeline Welding β’ Inches and millimeters, side by side SETUPS & HISTORY β’ Build and save complete job setups β material, angle, frequency, weld geometry, and notes β’ Save calculation results with names and notes, then recall them in one tap for your records β’ Custom presets for your most-used configurations FREE & PRO β’ Free to download β skip distance, Snell's law, and a hands-on trial of every Pro tool β’ The full pipe chart is free for your first 10 lookups, then part of Pro β’ UTCal Pro unlocks unlimited use of everything: the full pipe chart, saved calculation history, custom presets & weld builder, encoder calculator, fracture mechanics, beam path diagrams, weld overlay, the full code library, and the Apple Watch app β’ One-time purchase β no subscription, ever WHY UTCAL β’ Built by a UT tech who got tired of doing skip math on a paper napkin β’ Works on the roof, in the ditch, in the shop β no signal required β’ Updated for the latest ASME, AWS, and API editions Questions or feature requests: support.utcal@carboncode.app
Pump Mate
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Pump Mate is a professional hydraulic calculator for engineers, designers, and field technicians who size and analyze centrifugal pumps. Run a quick power estimate in seconds, or use Advanced Mode for a complete hydraulic analysisβall offline, with metric (SI) and imperial units. CALCULATE WITH CONFIDENCE β’ Quick Mode: hydraulic power and motor sizing from flow and head. β’ Advanced Mode: Total Dynamic Head (TDH), NPSH available, pipe and fitting losses, efficiencies, and system-curve inputs. β’ Fluid support: water and engineering fluid properties, plus Pro slurry-hydraulics tools. β’ Projects and history: save, organize, and revisit calculations by job. SELECT AND REVIEW PUMPS β’ Browse an offline pump-curve catalogue with visible data provenance. β’ Match curves to an Advanced Mode duty point. β’ Apply published impeller and stage variants where available. β’ Pump Mate Pro Selection Assistant screens POR position, efficiency, absorbed power, NPSH margin, and tip speed at the duty point. β’ Compare curves and inspect H-Q, efficiency, power, and NPSHr behavior. PROFESSIONAL REPORTING β’ Export Quick and Advanced calculations as structured PDF reports. β’ Advanced reports can include calculation context, hydraulic tables, selection results, and charts. β’ Add report identity and branding details for clearer project handoff. BUILT FOR FIELD WORK β’ Offline-first for plants, jobsites, and low-connectivity locations. β’ Metric and imperial units. β’ English, Spanish, French, and Portuguese interface. β’ Light and dark themes. β’ Built-in pumping fundamentals and rendered equations. β’ Clean, ad-free experience. PUMP MATE PRO Pump Mate Pro is an optional one-time purchase that unlocks the expanded curve library, Selection Assistant verdicts, pump comparison, professional PDF capabilities, slurry analysis, unlimited projects, and unlimited calculation history. The core hydraulic calculators remain free. Pump Mate supports engineering judgment; always verify results, source data, equipment limits, and manufacturer documentation before final selection or installation.
Screenshots
Verdict
The clearest difference is update cadence: UTCal at fortnightly against Pump Mate's every 2 months. Pump Mate's advantage is iOS requirement (15.1 vs 17.6). 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
Both are free to download. UTCal sells 1 one-off in-app purchase and Pump Mate sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
UTCal ships an update fortnightly, Pump Mate every 2 months. The most recent releases landed on September 15, 2026 and July 27, 2026 respectively.
| Parameter | UTCal | Pump Mate |
|---|---|---|
| Price | Free | Free |
| Update frequency | Fortnightly β better | Every 2 months |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone, Apple Watch | iPhone, iPad, iPod β better |
| Requires iOS | 17.6 | 15.1 β better |
| Further details β not scored | ||
| Size | 3 MB | 47 MB |
| Age rating | 4+ | 4+ |
| Developer | Tomas Ramirez | Mario Cerda |
In-app purchases
UTCal
- UTCal Pro$14.99
Pump Mate
- Pump Mate Pro$24.99





