# AR Library vs Trelleborg Information Gateway

The clearest difference is update cadence: Trelleborg Information Gateway at every 3 months against AR Library's every 21 months. 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.

AR Library ships an update every 21 months, Trelleborg Information Gateway every 3 months. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | AR Library | Trelleborg Information Gateway |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 21 months | **Every 3 months** |
| Size | 17 MB | 12 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Trelleborg Sealing Solutions](https://appshunter.io/developer/396863758) | [Trelleborg AB](https://appshunter.io/developer/423282462) |

## What reviewers say

### AR Library

[App page](https://appshunter.io/ios/app/ar-library/id1274959321)

**Features:** macOS Compatibility

**In-app purchases:** none


### Trelleborg Information Gateway

[App page](https://appshunter.io/ios/app/trelleborg-information-gateway/id6642701885)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is AR Library free?

AR Library is free to download, with no in-app purchases.

### Is Trelleborg Information Gateway free?

Trelleborg Information Gateway is free to download, with no in-app purchases.

### Do AR Library or Trelleborg Information Gateway have ads?

Neither AR Library nor Trelleborg Information Gateway shows ads.

### Which is updated more often, AR Library or Trelleborg Information Gateway?

AR Library ships an update every 21 months, and Trelleborg Information Gateway every 3 months. Most recently, AR Library was updated on October 26, 2026 and Trelleborg Information Gateway on October 25, 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.*