# Installation Instructions vs Marine and Infrastructure AR

The clearest difference is update cadence: Installation Instructions at every 11 months against Marine and Infrastructure AR's every 28 months. Installation Instructions also leads on iOS requirement (10.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

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, Marine and Infrastructure AR every 28 months. The most recent releases landed on October 18, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Installation Instructions | Marine and Infrastructure AR |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/installation-instructions/id720681644/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 11 months** | Every 28 months |
| Monetization | Free | — |
| Size | 12 MB | 117 MB |
| Requires iOS | **10.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Trelleborg Sealing Solutions](https://appshunter.io/developer/396863758) | [Trelleborg AB](https://appshunter.io/developer/423282462) |

## What reviewers say

### Installation Instructions

[App page](https://appshunter.io/ios/app/installation-instructions/id720681644)

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.

**Highlights:** Hydraulic seal installation (rod/piston), Radial oil seal installation, Mechanical face seal installation, Visual inspection guidance, Common installation mistakes, Use of assembly tools

**Features:** macOS Compatibility

**In-app purchases:** none


### Marine and Infrastructure AR

[App page](https://appshunter.io/ios/app/marine-and-infrastructure-ar/id1589898424)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Installation Instructions free?

Installation Instructions is free to download, with no in-app purchases.

### Is Marine and Infrastructure AR free?

Marine and Infrastructure AR is free to download, with no in-app purchases.

### Do Installation Instructions or Marine and Infrastructure AR have ads?

Neither Installation Instructions nor Marine and Infrastructure AR shows ads.

### Which is updated more often, Installation Instructions or Marine and Infrastructure AR?

Installation Instructions ships an update every 11 months, and Marine and Infrastructure AR every 28 months. Most recently, Installation Instructions was updated on October 18, 2026 and Marine and Infrastructure AR on October 15, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*