# AWC Connection Calc vs RCS

The clearest difference is in-app purchases: AWC Connection Calc at none against RCS's 4. AWC Connection Calc also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.0). RCS's advantage is update cadence (every 2 days vs every 9 days). On price and ads there is nothing between them.

Both are free to download. RCS sells 4 in-app purchases, starting at $4.99 per 7 days. AWC Connection Calc asks for nothing beyond the download.

AWC Connection Calc ships an update every 9 days, RCS every 2 days. The most recent releases landed on November 1, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | AWC Connection Calc | RCS |
| --- | --- | --- |
| 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** | Yes |
| Ads | No | No |
| Update frequency | Every 9 days | **Every 2 days** |
| Monetization | Free | — |
| Size | 176 MB | 26 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [American Wood Council](https://appshunter.io/developer/380481346) | [Nabil El Berria](https://appshunter.io/developer/6775173502) |

## 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 based on the 2024 National Design Specification. Supports single and double shear, withdrawal capacities, and wood-to-wood, wood-to-concrete, and wood-to-steel connections.

**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

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

**In-app purchases:** none


### RCS

[App page](https://appshunter.io/ios/app/rcs-concrete-sections/id6810959198)

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| RCS Weekly | $4.99 | per 7 days |
| RCS Yearly | $49.99 | per year |
| 7-day Trial | Free | one-time |
| Full Access | $24.99 | one-time |


## Frequently asked questions

### Is AWC Connection Calc free?

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

### Is RCS free?

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

### Do AWC Connection Calc or RCS have ads?

Neither AWC Connection Calc nor RCS shows ads.

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

AWC Connection Calc ships an update every 9 days, and RCS every 2 days. Most recently, AWC Connection Calc was updated on November 1, 2026 and RCS on October 31, 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.*