Installation Instructions vs Hengst Hydraulics
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Installation Instructions
This app provides visual guidance for the correct installation of various seals. It uses film, animation, and documentation to simulate expert installation, covering hydraulic, radial, and mechanical face seals, along with visual inspection and common mistakes.
- Hydraulic seal installation (rod/piston)
- Radial oil seal installation
- Mechanical face seal installation
- Visual inspection guidance
- Common installation mistakes
- Use of assembly tools
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The Trelleborg Sealing Solutions Installation Instructions app helps to ensure that seals are properly installed and functioning properly. The Installation Instructions app demonstrates the correct installation techniques for a range of seals. It features a combination of film, animation and supporting documentation to give as close an experience to having the expert install the seals right in front of you. Features at a glance • Installing hydraulic seals for rod and piston with and without pre-tensioning elements • Including single- and double-acting rod and piston seals (PTFE and Polyurethane) • Installing Radial Oil Seals • Installing Mechanical Face Seals • Visual Inspection of seals, bore and shaft, including surface finishes • Common mistakes and best practice during installation • Use of assembly cones and installation tools
Hengst Hydraulics
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The Hengst Hydraulic app provides all the important information about hydraulic filtration. Data Privacy Link: https://www.hengst.com/de/Hydraulik-App/App-Datenschutz
Screenshots
Verdict
The clearest difference is update cadence: Hengst Hydraulics at every 3 months against Installation Instructions's every 11 months. Installation Instructions's advantage is iOS requirement (10.0 vs 15.1). 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Installation Instructions ships an update every 11 months, Hengst Hydraulics every 3 months. The most recent releases landed on October 18, 2026 and October 8, 2026 respectively.
| Parameter | Installation Instructions | Hengst Hydraulics |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 11 months | Every 3 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 10.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 12 MB | 31 MB |
| Age rating | 4+ | 4+ |
| Developer | Trelleborg Sealing Solutions | Codana GmbH |
In-app purchases
Installation Instructions
No in-app purchases
Hengst Hydraulics
No in-app purchases
Questions
Is Installation Instructions free?
Is Hengst Hydraulics free?
Do Installation Instructions or Hengst Hydraulics have ads?
Which is updated more often, Installation Instructions or Hengst Hydraulics?
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