# Rynx. lite vs Sealing Materials Selector

The clearest difference is in-app purchases: Sealing Materials Selector at none against Rynx. lite's 2. Sealing Materials Selector also leads on ads (none vs shown). Rynx. lite's advantage is update cadence (every 2 months vs every 11 months). On price, rating, ratings volume and device support there is nothing between them.

Both are free to download. Rynx. lite sells 2 one-off in-app purchases. Sealing Materials Selector asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Rynx. lite against 5.0 for Sealing Materials Selector. Both are backed by a comparable volume of ratings — 2 and 2 respectively.

Rynx. lite ships an update every 2 months, Sealing Materials Selector every 11 months. The most recent releases landed on October 3, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Rynx. lite | Sealing Materials Selector |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/rynx-lite/id1031779237/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/sealing-materials-selector/id1128647369/reviews) |
| Number of ratings | 2 | 2 |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 2 months** | Every 11 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 8 MB | 15 MB |
| Requires iOS | 15.6 | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ICT Fractal Inc.](https://appshunter.io/developer/473613262) | [Trelleborg Sealing Solutions](https://appshunter.io/developer/396863758) |

## What reviewers say

### Rynx. lite

[App page](https://appshunter.io/ios/app/rynx-lite/id1031779237)

Record audio and enhance it with images, memos, and location data. Visualize sound with real-time waveforms, trim recordings, and share projects in various formats. Manage all your audio projects efficiently.

**Highlights:** Real-time waveform visualization, Add images and memos to recordings, Location tracking and route mapping, Highlighting for playback loops and trimming, Powerful trimming and editing tools, Project management and sharing, Adjustable microphone amplification

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 20 Tickets | $0.99 | one-time |
| 100 Tickets | $3.99 | one-time |


### 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


## Frequently asked questions

### Is Rynx. lite free?

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

### Is Sealing Materials Selector free?

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

### Which has better reviews, Rynx. lite or Sealing Materials Selector?

Rynx. lite and Sealing Materials Selector are both rated 5.0 out of 5 on the App Store, from 2 and 2 ratings respectively.

### Do Rynx. lite or Sealing Materials Selector have ads?

Rynx. lite shows ads; Sealing Materials Selector does not.

### Which is updated more often, Rynx. lite or Sealing Materials Selector?

Rynx. lite ships an update every 2 months, and Sealing Materials Selector every 11 months. Most recently, Rynx. lite was updated on October 3, 2026 and Sealing Materials Selector on October 18, 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.*