Comparison

Fender Online Tools vs StealthESS

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

Head to head
About

Fender Online Tools

This app helps users select and specify fender systems for various applications. It offers tools for calculating berthing energy, generating specifications, and selecting appropriate fenders based on project requirements and industry standards.

Highlights
  • Fender selection tool
  • Berthing energy calculation
  • Fender Specification Generator
  • Bollard Specification Generator
  • Ship-to-Ship Fender System Selector
  • PIANC and British Standards compliance
Features
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Trelleborg’s fender online tools provide users with a number of fender system options, which are suitable for varying applications and project requirements. The user can select the most suitable fender by applying filters to arrive at the most appropriate solution. A subsequent summary document is then produced. Further optimization of the fender system with respect to cost and performance can be done in consultation with Trelleborg’s experienced engineers globally. “The easy-to-use fender specification generator tool helps consultants to create a comprehensive, ready-to-use specification for the selected fender system, including testing and inspection plans for each and every component. Customized specifications for pneumatic and foam fenders can also be produced by adding relevant parameters under the fender specification generator tool.” The tools' capabilities include: -Berthing energy calculation -Fender selection tool -A Fender Specification Generator -A Bollard Specification Generator -A Fender System Selector for Ship-to-Ship Applications Trelleborg’s fender online tools have been developed in accordance with PIANC guidelines and British Standards, as well as American (ASTM) standard, to ensure best-in-class, compliant solutions. For more information about the online tools and to discover the enhanced features visit: https://bit.ly/2KRrndC

About

StealthESS

Features
Read full description

StealthESS – The APP to control and monitor your Stealth Solar Power equipment *Real-time remote monitoring and control Through the StealthESS APP, you can control and remotely monitor your Stealth system with real-time and historical data of your power generation, power consumption, energy storage status, and more. Giving you the information to see the return on your investment. *Prediction of revenue generation StealthESS APP, with built-in meteorological data, and the ability to set national and local subsidy data information, residents who intend to install solar can first estimate the revenue potential of their roofs through the APP. Users only need to move their fingers, and they can see the investment return and years after the construction of the power station, allowing you to find a suitable site and solution. *Multiple power station management For installers and multisite users, the StealthESS APP, can create a multi-power station list to manage multiple installations at the same time, and master the overall operation of the power usage.

Screenshots

Fender Online Tools4 screens
StealthESS4 screens

Verdict

The call

The clearest difference is update cadence: StealthESS at monthly against Fender Online Tools's every 6 months. On price, 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

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Fender Online Tools ships an update every 6 months, StealthESS monthly. The most recent releases landed on October 15, 2026 and October 30, 2026 respectively.

Scorecard1 real difference · 8 level
Fender Online Tools versus StealthESS: the parameters behind the verdict, then further details
ParameterFender Online ToolsStealthESS
PriceFreeFree
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyEvery 6 monthsMonthly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS11.010.0 — better
Further details — not scored
Size71 MB73 MB
Age rating17+4+
DeveloperTrelleborg ABStealth Energy Technology Ltd.

In-app purchases

None

Fender Online Tools

No in-app purchases

None

StealthESS

No in-app purchases

Questions

Is Fender Online Tools free?
Fender Online Tools is free to download, with no in-app purchases.
Is StealthESS free?
StealthESS is free to download, with no in-app purchases.
Do Fender Online Tools or StealthESS have ads?
Neither Fender Online Tools nor StealthESS shows ads.
Which is updated more often, Fender Online Tools or StealthESS?
Fender Online Tools ships an update every 6 months, and StealthESS monthly. Most recently, Fender Online Tools was updated on October 15, 2026 and StealthESS on October 30, 2026.

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