# AWC Connection Calc vs Intrepid Mariner

The clearest difference is iOS requirement: AWC Connection Calc at 15.0 against Intrepid Mariner's 26.2. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

AWC Connection Calc ships an update every 9 days, Intrepid Mariner fortnightly. The most recent releases landed on November 1, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | AWC Connection Calc | Intrepid Mariner |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.5 (2 ratings)](https://appshunter.io/ios/app/awc-connection-calc/id704968564/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 16.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 9 days** | Fortnightly |
| Monetization | Ad-supported | — |
| Size | 176 MB | 22 MB |
| Requires iOS | **15.0** | 26.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [American Wood Council](https://appshunter.io/developer/380481346) | [Greg Bloodworth](https://appshunter.io/developer/6780279809) |

## What reviewers say

### AWC Connection Calc

[App page](https://appshunter.io/ios/app/awc-connection-calc/id704968564)

Calculate capacities for various fasteners in wood connections, including single bolts, nails, and screws. Supports lateral and withdrawal capacities for wood-to-wood, wood-to-concrete, and wood-to-steel connections based on 2024 NDS standards.

**Highlights:** Calculate single bolt, nail, lag screw, and wood screw capacities, Determine lateral (single and double shear) capacities, Calculate withdrawal capacities, Supports wood-to-wood connections, Supports wood-to-concrete connections, Supports wood-to-steel connections, Based on 2024 NDS standards

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

**In-app purchases:** none


### Intrepid Mariner

[App page](https://appshunter.io/ios/app/intrepid-mariner/id6782177374)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases:** none


## Frequently asked questions

### Is AWC Connection Calc free?

AWC Connection Calc is free to download, with no in-app purchases.

### Is Intrepid Mariner free?

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

### Do AWC Connection Calc or Intrepid Mariner have ads?

Neither AWC Connection Calc nor Intrepid Mariner shows ads.

### Which is updated more often, AWC Connection Calc or Intrepid Mariner?

AWC Connection Calc ships an update every 9 days, and Intrepid Mariner fortnightly. Most recently, AWC Connection Calc was updated on November 1, 2026 and Intrepid Mariner on October 24, 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.*