# SealScan EU vs RigMaster

The clearest difference is in-app purchases: SealScan EU at none against RigMaster's 3. SealScan EU also leads on ads (none vs shown) and iOS requirement (11.0 vs 17.0). RigMaster's advantage is update cadence (every 10 days vs every 22 months). On price and device support there is nothing between them.

Both are free to download. RigMaster sells 3 in-app purchases, starting at $4.99 per 7 days. SealScan EU asks for nothing beyond the download.

SealScan EU ships an update every 22 months, RigMaster every 10 days. The most recent releases landed on October 18, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | SealScan EU | RigMaster |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 22 months | **Every 10 days** |
| Size | 19 MB | 5 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Trelleborg Sealing Solutions](https://appshunter.io/developer/396863758) | [Grima Hdez](https://appshunter.io/developer/1741481582) |

## What reviewers say

### SealScan EU

[App page](https://appshunter.io/ios/app/sealscan-eu/id1261307608)

**In-app purchases:** none


### RigMaster

[App page](https://appshunter.io/ios/app/rigmaster-rigging-calculator/id6789944360)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Weekly | $4.99 | per 7 days |
| Pro Yearly | $29.99 | per year |
| RigMaster Pro | $39.99 | one-time |


## Frequently asked questions

### Is SealScan EU free?

SealScan EU is free to download, with no in-app purchases.

### Is RigMaster free?

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

### Do SealScan EU or RigMaster have ads?

RigMaster shows ads; SealScan EU does not.

### Which is updated more often, SealScan EU or RigMaster?

SealScan EU ships an update every 22 months, and RigMaster every 10 days. Most recently, SealScan EU was updated on October 18, 2026 and RigMaster on October 7, 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.*