Comparison

Deflection Pro vs Smart Calculator Pro

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

Head to head
About

Deflection Pro

This advanced structural analysis calculator assists engineers with beam, truss, and frame design. It generates load combinations based on American and European standards and performs detailed beam column capacity checks. Results are presented intuitively, with options to export to PDF and save files.

Highlights
  • Beam, truss, and frame analysis
  • Load combination generation (US & EU standards)
  • Beam column capacity checks (flexure, shear, tension, compression)
  • Detailed design checks for various buckling types
  • PDF export
  • Save to external file
Features
Read full description

Deflection Pro is an advanced structural analysis calculator for beam, truss, and frame design. The software is designed to be simple, intuitive, and useful for structural engineers worldwide. Like our other apps, it is designed to run on all your devices. LOAD COMBINATIONS Deflection Pro generates common load combinations based on American and European standards. Simply select a desired design method in the settings page and assign a category to each load. The results are seamlessly aggregated and integrated into the same charts and interface as if you were designing a simple beam case. BEAM COLUMN CAPACITY CHECKS Deflection Pro calculates beam column strength capacity for flexure, shear, tension, and compression based on the AISC specification. The software accurately reproduces tabulated values in steel construction manuals. Flexure Design • Yielding • Lateral torsional buckling • Local buckling • Flange local buckling • Compression flange local buckling • Web local buckling • Compression tee stem local buckling Shear Design • Web shear strength • Web shear strength, considering field action Tension Design • Yielding tensile strength • Rupture tensile strength Compression Design • Flexural buckling • Torsional buckling OTHER FEATURES Since this is our latest and greatest structural analysis app, we are actively improving it and adding new functionality. It receives more frequent updates than other tiers of our software. Other advanced functionality include the ability to directly export to PDF and to save to an external file for backup and sharing. CONTACT We like to hear from you! Please email contact@ketchep.com if you have any issues, questions, or comments.

About

Smart Calculator Pro

This all-in-one calculator offers basic, scientific, and fraction calculations, along with unit conversion and financial tools. It features an editable input, a widget, and a keyboard extension for convenient use on iPhones and iPads. Track health metrics and convert numbers to words with this comprehensive utility.

Highlights
  • Basic and scientific calculations
  • Fraction and editable input
  • Unit and currency converter
  • BMI, date, and loan calculators
  • Number to words conversion
  • Hexadecimal converter
  • Calculator widget and keyboard
Features
Read full description

No Ads, All-in-one Calculator with voice, history for the iPhone and iPad. ◉ Advanced & Smart Calculator+ ▸ Basic Calculator (+, -, x, ÷, %, (), ...) ▸ Scientific Calculator (e, pi, π, x!, ^, √, Ln, log, trig, …) ▸ Editable Input (Tap to modify, backspace & update results instantly) ▸ Calculator Widget (for iOS 17.0+) ▸ Calculator Keyboard ◉ Fraction Calculator: ▸ You can calculate addition, subtraction, multiplication, and division of fractions. ▸ You can also perform calculations between decimals and fractions, Quickly and easily check children's fraction math problems. ◉ Unit Converter ▸ Supports length, area, volume, speed, pressure, power, weight, temperature, energy, time, angle, density, force, torque, and the data capacity. ◉ BMI Calculator: ▸ Measure the body mass index (BMI), the basal metabolic rate (BMR), and body fat percentage (BFP). ▸ Save the BMI、BMR、BFP indicators as notes to keep track of your health status at any time. ◉ Date Calculator: ▸ Flexibly calculate the interval of a specific date or anniversary with accuracy to the month, week, day, hour, minute, and second. - Help kids quickly check math homework for time calculations. ◉ Percentage Calculator: ▸ You can easily calculate the percentage increase or decrease between numbers. ▸ You can also calculate what percentage one number is of another. ◉ Currency Converter ▸ You can calculate currency exchange rate conversions, including dollar, euro, yen, yuan, etc. ◉ Loan Calculator ▸ Calculate total interest, total payment based on loan principal and interest rate. ▸ Share the result to you friends or relatives. ◉ Savings Calculator: ▸ Enter the deposit amount, interest rate and term and interest and final savings balance will be calculated. ◉ Numbers to words ▸ Convert numbers to words for writing checks and legal documents. ◉ Hexadecimal Converter: ▸ Enter a value, and generate a value which converted between binary, octal, decimal, and hexadecimal. ◉ OTHER FEATURES: ▸ Keyboard vibration & Sound. ▸ Thousands separator. ▸ Multiple skin themes. ▸ Support Multitasking (iPad). More features are being developed~ Please Come to download, just enjoy it ^_^ Disclaimer: The developer of this application makes no warranties regarding the accuracy, reliability, or suitability of any calculation results or information provided by this application. The developer shall not be liable for any loss, whether direct or indirect, arising from the use of any calculation results or information provided by this application. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula.

Screenshots

Deflection Pro4 screens
Smart Calculator Pro4 screens

Verdict

The call

The clearest difference is price: Smart Calculator Pro at $7.99 against Deflection Pro's $19.99. Smart Calculator Pro also leads on rating (5.0 vs 4.7). Deflection Pro's advantage is ratings volume (16 vs 2). On update cadence, ads, in-app purchases and monetization model 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

Deflection Pro costs $19.99 and Smart Calculator Pro $7.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Smart Calculator Pro holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Deflection Pro has 16 ratings behind it against 2, so its average is the more settled of the two.

UpkeepUpdate frequency

Deflection Pro ships an update every 5 weeks, Smart Calculator Pro every 2 months. Both last shipped on October 21, 2026.

Scorecard3 real differences · 7 level
Deflection Pro versus Smart Calculator Pro: the parameters behind the verdict, then further details
ParameterDeflection ProSmart Calculator Pro
Price$19.99$7.99 — better
Rating4.7 (16 ratings)5.0 (2 ratings) — better
Positive reviews69.2% of reviews—
Number of ratings16 — better2
Update frequencyEvery 5 weeks — betterEvery 2 months
AdsNoNo
In-app purchasesNoNo
MonetizationPaidPaid
DevicesiPhone, iPad, iPod, Mac — betteriPhone, iPad, iPod
Requires iOS15.014.0 — better
Further details — not scored
Size163 MB14 MB
Age rating4+4+
DeveloperBlue Ketchep晖明 甘

Customer experience

Deflection Pro

All ratings16 ratings
Positive87.5%
Neutral6.3%
Negative6.3%
Written reviews13 reviews
Positive69.2%
Neutral15.4%
Negative15.4%

Smart Calculator Pro

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Deflection Pro

No in-app purchases

None

Smart Calculator Pro

No in-app purchases

Questions

Is Deflection Pro free?
Deflection Pro costs $19.99, with no in-app purchases.
Is Smart Calculator Pro free?
Smart Calculator Pro costs $7.99, with no in-app purchases.
Which has better reviews, Deflection Pro or Smart Calculator Pro?
Smart Calculator Pro is rated higher. Deflection Pro averages 4.7 out of 5 from 16 ratings, while Smart Calculator Pro averages 5.0 from 2 ratings.
Do Deflection Pro or Smart Calculator Pro have ads?
Neither Deflection Pro nor Smart Calculator Pro shows ads.
Which is updated more often, Deflection Pro or Smart Calculator Pro?
Deflection Pro ships an update every 5 weeks, and Smart Calculator Pro every 2 months. Most recently, Deflection Pro was updated on October 21, 2026 and Smart Calculator Pro on October 21, 2026.

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