# CertFID vs RigMaster

The clearest difference is in-app purchases: CertFID at none against RigMaster's 3. CertFID also leads on ads (none vs shown) and iOS requirement (15.1 vs 17.0). 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. CertFID asks for nothing beyond the download.

## The numbers

| Metric | CertFID | RigMaster |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | — | Every 10 days |
| Size | 54 MB | 5 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [BTSE LLC](https://appshunter.io/developer/1569896194) | [Grima Hdez](https://appshunter.io/developer/1741481582) |

## What reviewers say

### CertFID

[App page](https://appshunter.io/ios/app/certfid/id6748839234)

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

**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 CertFID free?

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

### Is RigMaster free?

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

### Do CertFID or RigMaster have ads?

RigMaster shows ads; CertFID does not.

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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.*