# Sealing Materials Selector vs Chesterton Connect

The clearest difference is rating: Sealing Materials Selector at 5.0 against Chesterton Connect's 4.3. Chesterton Connect's advantage is update cadence (every 2 months vs every 11 months). On price, ratings volume, ads and in-app purchases there is nothing between them.

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

Sealing Materials Selector holds the better App Store score, 5.0 against 4.3. Both are backed by a comparable volume of ratings — 2 and 4 respectively.

Sealing Materials Selector ships an update every 11 months, Chesterton Connect every 2 months. The most recent releases landed on October 18, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | Sealing Materials Selector | Chesterton Connect |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/sealing-materials-selector/id1128647369/reviews)** | [4.3 (4 ratings)](https://appshunter.io/ios/app/chesterton-connect/id1483067357/reviews) |
| Number of ratings | 2 | **4** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 15 MB | 23 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Trelleborg Sealing Solutions](https://appshunter.io/developer/396863758) | [A.W. Chesterton Company](https://appshunter.io/developer/948643824) |

## What reviewers say

### Sealing Materials Selector

[App page](https://appshunter.io/ios/app/sealing-materials-selector/id1128647369)

Easily find the right sealing materials by entering specifications like temperature and hardness. Filter by chemical compatibility, approvals, or product type for O-Rings, Quad-Rings, and V-Rings. Request material datasheets directly through the app.

**Highlights:** Search by material specifications, Filter by temperature and hardness, Chemical compatibility filtering, Institute approvals filtering, Product type filtering (O-Rings, Quad-Rings, V-Rings), Request material datasheets

**Features:** macOS Compatibility

**In-app purchases:** none


### Chesterton Connect

[App page](https://appshunter.io/ios/app/chesterton-connect/id1483067357)

This system allows for the safe and convenient monitoring of industrial equipment and processes. It collects and displays operating condition data, providing insights into performance.

**Highlights:** Data acquisition system, Process monitoring, Equipment condition monitoring, Safe operation, Convenient data access

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Sealing Materials Selector free?

Sealing Materials Selector is free to download, with no in-app purchases.

### Is Chesterton Connect free?

Chesterton Connect is free to download, with no in-app purchases.

### Which has better reviews, Sealing Materials Selector or Chesterton Connect?

Sealing Materials Selector is rated higher. Sealing Materials Selector averages 5.0 out of 5 from 2 ratings, while Chesterton Connect averages 4.3 from 4 ratings.

### Do Sealing Materials Selector or Chesterton Connect have ads?

Neither Sealing Materials Selector nor Chesterton Connect shows ads.

### Which is updated more often, Sealing Materials Selector or Chesterton Connect?

Sealing Materials Selector ships an update every 11 months, and Chesterton Connect every 2 months. Most recently, Sealing Materials Selector was updated on October 18, 2026 and Chesterton Connect on October 26, 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.*