Comparison

Mechanical Engineer vs Sealing Materials Selector

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

Head to head
About

Mechanical Engineer

This app provides over 300 essential mechanical engineering formulas across various domains. It allows users to calculate, save, compare, and share results, aiding in project optimization and decision-making. Users can access a limited number of calculations for free, with a subscription unlocking full functionality.

Highlights
  • Over 300 mechanical engineering formulas
  • Covers diverse engineering domains
  • Save and compare formula results
  • Share calculation outcomes
  • Intuitive and practical interface
  • Regular updates based on user input
Features
Read full description

MECHANICAL ENGINEER FORMULATOR – Elevate Your Engineering with Precision For the dynamic Mechanical Engineer and the proactive engineering student, MECHANICAL ENGINEER FORMULATOR stands as the definitive tool that merges practicality with ease of use. Navigate through your engineering challenges confidently with an app crafted for direct, intuitive interaction. Boasting a comprehensive collection of over 300 essential mechanical engineering formulas, MECHANICAL ENGINEER FORMULATOR actively supports a wide array of mechanical engineering domains: • Actuators & Bearings: Execute precision movements and manage loads with authority. • Belts & Boilers: Transmit power efficiently and generate steam reliably. • Brakes & Clutches: Apply stopping power decisively and control torque with finesse. • Elevators & Gears: Operate smoothly and transfer motions effectively. • Fluid Power & Heat Transfer: Control fluids masterfully and manage thermal dynamics skillfully. • Internal Combustion & Kinetic Energy: Generate power robustly and analyze motion with precision. • Metalworking & Plates: Shape materials skillfully and ensure structural integrity. • Plumbs & Power Plants: Direct fluid systems confidently and produce energy proficiently. • Refrigeration & Shafts: Cool systems effectively and rotate components seamlessly. • Springs & Vehicle Drive: Store energy reliably and propel vehicles powerfully. MECHANICAL ENGINEER FORMULATOR empowers you to save and compare formula results, enhancing decision-making for project optimization. Share your formula outcomes effortlessly, enabling seamless collaboration. Given the ever-advancing nature of engineering, we pledge to move forward together with you. If you are looking for a formula not yet featured, or desire an enhancement, just email us. We are committed to listening and incorporating your input into our forthcoming updates. MECHANICAL ENGINEER FORMULATOR is not just an app; it's an essential resource to achieve engineering excellence. MECHANICAL ENGINEER FORMULATOR places the full potential of precision engineering at your fingertips. MECHANICAL ENGINEER FORMULATOR is FREE to DOWNLOAD and view all of the formulas. Users are able to calculate five formulas for FREE. Purchase a subscription to calculate additional formulas. All subscriptions come with a 1-WEEK FREE TRIAL and SUPPORT Family Sharing.

About

Sealing Materials Selector

Easily find the right sealing materials by entering specifications like temperature and hardness. Filter by chemical compatibility, approvals, or product type for O-Rings, Quad-Rings, and V-Rings. Request material datasheets directly through the app.

Highlights
  • Search by material specifications
  • Filter by temperature and hardness
  • Chemical compatibility filtering
  • Institute approvals filtering
  • Product type filtering (O-Rings, Quad-Rings, V-Rings)
  • Request material datasheets
Features
Read full description

Sealing Materials Selector app allows you to easily search Trelleborg Sealing Solutions materials. By simply entering Material Specifications, like for example Material Group, in combination with your required parameters, such as temperature or hardness, the app instantly proposes the right materials for your need. In addition, you can filter down your search based upon chemical compatibilities, institute approvals or by product type for O-Rings, Quad-Rings and V-Rings. You even can request Material Datasheets through the app, if available.

Screenshots

Mechanical Engineer4 screens
Sealing Materials Selector4 screens

Verdict

The call

The clearest difference is rating: Sealing Materials Selector at 5.0 against Mechanical Engineer's 4.4. Sealing Materials Selector also leads on in-app purchases (none vs 3) and iOS requirement (15.6 vs 17.6). Mechanical Engineer's advantage is update cadence (every 2 months vs every 11 months) and ratings volume (8 vs 2). On price, 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. Mechanical Engineer sells 3 in-app purchases, starting at $0.99 per month. Sealing Materials Selector asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Sealing Materials Selector holds the better App Store score, 5.0 against 4.4. Both are backed by a comparable volume of ratings — 8 and 2 respectively.

UpkeepUpdate frequency

Mechanical Engineer ships an update every 2 months, Sealing Materials Selector every 11 months. The most recent releases landed on October 6, 2026 and October 12, 2026 respectively.

Scorecard6 real differences · 4 level
Mechanical Engineer versus Sealing Materials Selector: the parameters behind the verdict, then further details
ParameterMechanical EngineerSealing Materials Selector
PriceFreeFree
Rating4.4 (8 ratings)5.0 (2 ratings) — better
Positive reviews29.6% of reviews—
Number of ratings8 — better2
Update frequencyEvery 2 months — betterEvery 11 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPadiPhone, iPod
Requires iOS17.615.6 — better
Further details — not scored
Size5 MB15 MB
Age rating4+4+
DeveloperHistorycentral.comTrelleborg Sealing Solutions

Customer experience

Mechanical Engineer

All ratings8 ratings
Positive75.0%
Neutral25.0%
Negative0.0%
Written reviews27 reviews
Positive29.6%
Neutral18.5%
Negative51.9%

Sealing Materials Selector

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

3 purchases

Mechanical Engineer

Subscriptions3
  • Monthly Subscription7 Days trial$0.991 Month
  • Pro Quarterly$0.993 Months
  • Pro Yearly7 Days trial$2.991 Year
None

Sealing Materials Selector

No in-app purchases

Questions

Is Mechanical Engineer free?
Mechanical Engineer is free to download, with in-app purchases available.
Is Sealing Materials Selector free?
Sealing Materials Selector is free to download, with no in-app purchases.
Which has better reviews, Mechanical Engineer or Sealing Materials Selector?
Sealing Materials Selector is rated higher. Mechanical Engineer averages 4.4 out of 5 from 8 ratings, while Sealing Materials Selector averages 5.0 from 2 ratings.
Do Mechanical Engineer or Sealing Materials Selector have ads?
Neither Mechanical Engineer nor Sealing Materials Selector shows ads.
Which is updated more often, Mechanical Engineer or Sealing Materials Selector?
Mechanical Engineer ships an update every 2 months, and Sealing Materials Selector every 11 months. Most recently, Mechanical Engineer was updated on October 6, 2026 and Sealing Materials Selector on October 12, 2026.

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