Comparison

Pressure Vessel Pro vs TempLink

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

Head to head
About

Pressure Vessel Pro

Perform essential pressure vessel stress calculations with ease. Input dimensions for various tank geometries and instantly get results, including detailed formulae and ASME code compliance. Generate and share PDF reports with schematics.

Highlights
  • Pressure vessel stress calculations
  • ASME Boiler & Pressure Vessel Code compliance
  • Support for vertical, horizontal, and spherical tanks
  • Component stress calculations (cylinders, heads)
  • Generate and share PDF reports
  • Flexible unit system (Metric/English)
  • Save multiple calculation cases
Features
Read full description

Pressure Vessel Pro - Pressure vessel calculations for iOS. The easiest way to do basic pressure vessel stress calculations. Simply select from the available geometries, enter in the required dimensions and the answers will be generated complete with the formulae. You can also easily print or email a PDF of your results along with a schematic of the pressure vessel. Pressure Vessel Pro Features: - Universal - designed for use on all sizes of iPhone, iPod Touch, and iPad - Share or print a PDF report of the results - Extremely flexible unit system. Choose Metric, English or mix and match units. - Save multiple cases for later reference - Tap a cell to show detail and formulae The properties calculated include are: • Longitudinal Stress • Hoop Stress • Shear Stress • Volume • ASME Boiler & Pressure Vessel Code Design Thickness • ASME Boiler & Pressure Vessel Code Design Pressure Pressure Vessel Pro includes the Following Integrated Calculations: • Vertical tanks • Horizontal tanks • Spherical tanks Pressure Vessel Pro includes the Following Component Stress Calculations: • Cylinders • Hemispherical Heads and Tanks • Elliptical Heads • Torispherical Heads Pressure Vessel Pro includes the Following ASME Boiler and Pressure Vessel Code Section VIII, Division I Design Calculations: • Cylinder Thickness • Cylinder Pressure • Hemispherical Heads and Tanks Thickness • Hemispherical Heads and Tanks Pressure • 2:1 Elliptical Head Thickness • 2:1 Elliptical Head Pressure • ASME (dished) Heads Thickness • ASME (dished) Heads Pressure Check out our other engineering apps by searching the iTunes store for: • Moments of Inertia • Mohr's Circle • Stress Concentrations Pro • Stress Intensity Factors Pro or search J.R.Hobbs to see them all.

About

TempLink

Features
Read full description

TempLink is an application for UNI-T A56 BT/A57 BT Temperature Humidity Dataloggers. After installation, the application can connect to the Datalogger for device configuration, data record export and other functions.

Screenshots

Pressure Vessel Pro4 screens
TempLink3 screens

Verdict

The call

The clearest difference is price: TempLink at Free against Pressure Vessel Pro's $5.99. On update cadence, ads, in-app purchases 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

TempLink is free to download; Pressure Vessel Pro costs $5.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Pressure Vessel Pro ships an update every 5 months, TempLink every 10 months. The most recent releases landed on October 23, 2026 and October 19, 2026 respectively.

Scorecard1 real difference · 9 level
Pressure Vessel Pro versus TempLink: the parameters behind the verdict, then further details
ParameterPressure Vessel ProTempLink
Price$5.99Free — better
Rating4.5 (2 ratings) — better—
Positive reviews33.3% of reviews—
Number of ratings2 — better—
Update frequencyEvery 5 months — betterEvery 10 months
AdsNoNo
In-app purchasesNoNo
MonetizationPaid—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS12.012.0
Further details — not scored
Size10 MB34 MB
Age rating4+4+
DeveloperJ.R.HobbsUNI-TREND TECHNOLOGY (CHINA) CO.,LTD.

In-app purchases

None

Pressure Vessel Pro

No in-app purchases

None

TempLink

No in-app purchases

Questions

Is Pressure Vessel Pro free?
Pressure Vessel Pro costs $5.99, with no in-app purchases.
Is TempLink free?
TempLink is free to download, with no in-app purchases.
Do Pressure Vessel Pro or TempLink have ads?
Neither Pressure Vessel Pro nor TempLink shows ads.
Which is updated more often, Pressure Vessel Pro or TempLink?
Pressure Vessel Pro ships an update every 5 months, and TempLink every 10 months. Most recently, Pressure Vessel Pro was updated on October 23, 2026 and TempLink on October 19, 2026.

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