Comparison

Deflection Lite vs steelyard

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

Head to head
About

Deflection Lite

This app provides interactive and precise structural beam analysis. Easily visualize beam bending by dragging loads and supports, and calculate key engineering results like reactions, shear force, and bending moment.

Highlights
  • Interactive beam bending visualization
  • Calculate reactions, shear force, and bending moment
  • Built-in cross-section databases
  • Unlimited loads and supports
  • Export design to shareable permalink
  • Metric and standard units
Features
Read full description

Deflection Lite is the most interactive, fast, and precise app available for structural beam analysis. Simply drag loads and supports on the beam, and see how it bends. RESULTS Calculate reactions, shear force, bending moment, and beam deflection quickly and easily. CROSS SECTION DATABASES Specify elastic modulus and moment of inertia values directly, or find common shapes and materials using the built-in databases, which include most international steel sections, as well as some aluminum and wood shapes. UNLIMITED LOADS AND SUPPORTS Simply drag any load or support on the beam. • Concentrated point loads • Distributed loads • Moment loads • Simple supports • Fixed supports • Fixed hinges • Floating Gerber hinges OTHER FEATURES • Export your design to a permalink that you can share. • Automatic detection of local maxima and minima in diagrams • Metric and standard measurement units CONTACT We like to hear from you! Please email contact@ketchep.com if you have any issues, questions, or comments.

About

steelyard

This app quickly calculates the weight of steel sections from various international standards. It supports both metric and imperial units and offers offline functionality for convenience. Save your settings and calculations for easy access.

Highlights
  • Steel section weight calculation
  • Supports EU, USA, Japanese, KOREA standards
  • Metric and Imperial units
  • Offline functionality
  • Save calculations and settings
  • Advanced search system
Features
Read full description

Steelyard: The Ultimate Metal Mass & Cost Calculator Precision matters. Whether you’re a structural engineer, a metal fabricator, or a scrap dealer, Steelyard turns your smartphone into a heavy-duty industrial scale. Stop guessing and start calculating with the most intuitive interface on the market. iron, aluminum, copper, brass, density, structural, engineer, fabrication, rebar, tube, kg, lbs, construction, gauge, volume, materials, h-beam, u-beam From standard sheets to complex industrial sections, Steelyard handles: Structural Beams: I-Beam, H-Beam, U-Channel, and T-Bars. Tubes & Pipes: Round, square, and rectangular hollow sections. Rods & Bars: Hexagonal, round, and flat bars. Custom Profiles: Input your own dimensions for specialized sections. Massive Material Database: metals including Steel, Aluminum, Copper, Brass, Titanium, and Lead. Live Price Estimator: Input the price per unit to get instant total project costs. Dual Unit Support: Seamlessly toggle between Metric (kg, mm, m) and Imperial (lbs, in, ft). History Log: Save your previous calculations for quick reference later. Offline Mode: Works in the workshop or on-site without an internet connection. "Steelyard is built for the floor, not just the office. Big buttons, high-contrast text, and zero fluff."

Screenshots

Deflection Lite4 screens
steelyard4 screens

Verdict

The call

The clearest difference is in-app purchases: Deflection Lite at none against steelyard's 1. steelyard's advantage is rating (4.7 vs 4.5) and review sentiment (56% vs 44%). On price, update cadence, ads 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

Both are free to download. steelyard sells 1 one-off in-app purchase. Deflection Lite asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

steelyard holds the better App Store score, 4.7 against 4.5. That said, the two scores are not equally well evidenced: steelyard has 297 ratings behind it against 46, so its average is the more settled of the two. Written reviews point the same way: 44% of Deflection Lite's written reviews are positive against 56% of steelyard's.

UpkeepUpdate frequency

Deflection Lite ships an update every 3 months, steelyard every 2 months. The most recent releases landed on September 17, 2026 and September 19, 2026 respectively.

Scorecard5 real differences · 5 level
Deflection Lite versus steelyard: the parameters behind the verdict, then further details
ParameterDeflection Litesteelyard
PriceFreeFree
Rating4.5 (46 ratings)4.7 (297 ratings) — better
Positive reviews44.4% of reviews55.6% of reviews — better
Number of ratings46297 — better
Update frequencyEvery 3 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaidFree with in-app purchases — better
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.0 — better16.6
Further details — not scored
Size108 MB7 MB
Age rating4+4+
DeveloperBlue KetchepMohamed Saad

Customer experience

Deflection Lite

All ratings46 ratings
Positive82.6%
Neutral10.9%
Negative6.5%
Written reviews9 reviews
Positive44.4%
Neutral0.0%
Negative55.6%

steelyard

All ratings283 ratings
Positive94.0%
Neutral2.5%
Negative3.5%
Written reviews9 reviews
Positive55.6%
Neutral0.0%
Negative44.4%

In-app purchases

None

Deflection Lite

No in-app purchases

1 purchases

steelyard

One-time1
  • Ad Blocker$9.99

Questions

Is Deflection Lite free?
Deflection Lite is free to download, with no in-app purchases.
Is steelyard free?
steelyard is free to download, with in-app purchases available.
Which has better reviews, Deflection Lite or steelyard?
steelyard is rated higher. Deflection Lite averages 4.5 out of 5 from 46 ratings, while steelyard averages 4.7 from 297 ratings.
Do Deflection Lite or steelyard have ads?
Neither Deflection Lite nor steelyard shows ads.
Which is updated more often, Deflection Lite or steelyard?
Deflection Lite ships an update every 3 months, and steelyard every 2 months. Most recently, Deflection Lite was updated on September 17, 2026 and steelyard on September 19, 2026.

Other comparisons