# Sealing Materials Selector vs HeatCond2D

The clearest difference is in-app purchases: Sealing Materials Selector at none against HeatCond2D's 5. Sealing Materials Selector also leads on iOS requirement (15.6 vs 26.0). HeatCond2D's advantage is update cadence (every 3 weeks vs every 11 months). On price, ads and device support there is nothing between them.

Both are free to download. HeatCond2D sells 5 in-app purchases, starting at $6.99 per 7 days. Sealing Materials Selector asks for nothing beyond the download.

Sealing Materials Selector ships an update every 11 months, HeatCond2D every 3 weeks. The most recent releases landed on October 18, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Sealing Materials Selector | HeatCond2D |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/sealing-materials-selector/id1128647369/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 15 MB | 224 MB |
| Requires iOS | **15.6** | 26.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Trelleborg Sealing Solutions](https://appshunter.io/developer/396863758) | [Intellicreed Sdn. Bhd.](https://appshunter.io/developer/1735640078) |

## 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


### HeatCond2D

[App page](https://appshunter.io/ios/app/heatcond2d/id6737733095)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Version (1 Week) | $6.99 | per 7 days |
| Pro Version (1 Month) | $24.99 | per month |
| Pro Version (3 Months) | $49.99 | per 3 months |
| Pro Version (6 Months) | $74.99 | per 6 months |
| Pro Version (1 Year) | $99.99 | per year |


## Frequently asked questions

### Is Sealing Materials Selector free?

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

### Is HeatCond2D free?

HeatCond2D is free to download, with in-app purchases available.

### Do Sealing Materials Selector or HeatCond2D have ads?

Neither Sealing Materials Selector nor HeatCond2D shows ads.

### Which is updated more often, Sealing Materials Selector or HeatCond2D?

Sealing Materials Selector ships an update every 11 months, and HeatCond2D every 3 weeks. Most recently, Sealing Materials Selector was updated on October 18, 2026 and HeatCond2D on October 21, 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.*