# CertFID vs RigThis

The clearest difference is in-app purchases: CertFID at none against RigThis's 1. CertFID also leads on iOS requirement (15.1 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. RigThis sells 1 one-off in-app purchase. CertFID asks for nothing beyond the download.

## The numbers

| Metric | CertFID | RigThis |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/rigthis/id6770800479/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 3 weeks |
| Monetization | — | Freemium |
| Size | 54 MB | 2 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) | [Circux Systems LLC](https://appshunter.io/developer/1896763824) |

## What reviewers say

### CertFID

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

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

**In-app purchases:** none


### RigThis

[App page](https://appshunter.io/ios/app/rigthis/id6770800479)

This app provides essential rigging calculations for live event professionals. It includes tools for bridle calculations, truss load distribution, and unit conversion, with advanced features available through a one-time purchase.

**Highlights:** 2-leg bridle calculator with visual diagram, Truss load distribution tool, Length and weight unit converter, 3-leg bridle calculator (Pro), Save and recall calculation history (Pro), Venue specs management (Pro)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| RigThat Pro | $49.99 | one-time |


## Frequently asked questions

### Is CertFID free?

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

### Is RigThis free?

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

### Do CertFID or RigThis have ads?

Neither CertFID nor RigThis shows ads.

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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.*