# AWC Connection Calc vs Spyder Wall

The clearest difference is price: AWC Connection Calc at Free against Spyder Wall's $5.99. AWC Connection Calc also leads on update cadence (weekly vs every 5 months) and iOS requirement (14.2 vs 17.5). Spyder Wall's advantage is ads (none vs shown). On in-app purchases and device support there is nothing between them.

AWC Connection Calc is free to download; Spyder Wall costs $5.99 up front. Neither carries in-app purchases, so what you see is what you pay.

AWC Connection Calc ships an update weekly, Spyder Wall every 5 months. The most recent releases landed on June 7, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | AWC Connection Calc | Spyder Wall |
| --- | --- | --- |
| Price | **Free** | $5.99 |
| 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 | Yes | **No** |
| Update frequency | **Weekly** | Every 5 months |
| Monetization | Ad-supported | — |
| Size | 156 MB | 177 MB |
| Requires iOS | **14.2** | 17.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [American Wood Council](https://appshunter.io/developer/380481346) | [Charles Roberts](https://appshunter.io/developer/1760236245) |

## 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

**In-app purchases:** none


### Spyder Wall

[App page](https://appshunter.io/ios/app/spyder-wall/id6745111487)

**Features:** macOS Compatibility

**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 Spyder Wall free?

Spyder Wall costs $5.99, with no in-app purchases.

### Do AWC Connection Calc or Spyder Wall have ads?

AWC Connection Calc shows ads; Spyder Wall does not.

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

AWC Connection Calc ships an update weekly, and Spyder Wall every 5 months. Most recently, AWC Connection Calc was updated on June 7, 2026 and Spyder Wall on September 16, 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.*