水质多参数APP vs Fender Online Tools
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
水质多参数APP
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OSTD-proMT水质多参数连接、控制软件；可显示水温、pH、电导率、溶解氧、浊度、叶绿素、蓝绿藻等参数
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.
- Fender selection tool
- Berthing energy calculation
- Fender Specification Generator
- Bollard Specification Generator
- Ship-to-Ship Fender System Selector
- PIANC and British Standards compliance
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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
Screenshots
Verdict
水质多参数APP and Fender Online Tools are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
水质多参数APP ships an update every 7 months, Fender Online Tools every 6 months. The most recent releases landed on October 6, 2026 and October 15, 2026 respectively.
| Parameter | 水质多参数APP | Fender Online Tools |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 7 months | Every 6 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 29 MB | 71 MB |
| Age rating | 4+ | 17+ |
| Developer | Xiamen Standards Scientific Instrument Co.,Ltd. | Trelleborg AB |
In-app purchases
水质多参数APP
No in-app purchases
Fender Online Tools
No in-app purchases
