# AWC Connection Calc vs leaDCalc

The clearest difference is rating: leaDCalc at 5.0 against AWC Connection Calc's 2.5. leaDCalc also leads on ads (none vs shown) and monetization model (free vs ad-supported). AWC Connection Calc's advantage is update cadence (weekly vs every 7 months) and iOS requirement (14.2 vs 16.0). On price, ratings volume, in-app purchases and device support there is nothing between them.

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

leaDCalc holds the better App Store score, 5.0 against 2.5. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

AWC Connection Calc ships an update weekly, leaDCalc every 7 months. The most recent releases landed on October 13, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | AWC Connection Calc | leaDCalc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.5 (2 ratings)](https://appshunter.io/ios/app/awc-connection-calc/id704968564/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/leadcalc/id1487509498/reviews)** |
| Number of ratings | **2** | 1 |
| Positive reviews | 16.7% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Every 7 months |
| Monetization | Ad-supported | **Free** |
| Size | 156 MB | 159 MB |
| Requires iOS | **14.2** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [American Wood Council](https://appshunter.io/developer/380481346) | [Vaughn Warriner](https://appshunter.io/developer/1487509497) |

## 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


### leaDCalc

[App page](https://appshunter.io/ios/app/leadcalc/id1487509498)

This app calculates DC power lead sizes for telephone company central office power plants. It uses a circular slide rule format to determine allowable voltage drops and wire sizes based on specific system parameters.

**Highlights:** Circular slide rule format, Calculates allowable voltage drops, Determines DC power lead sizes, Supports 48V and 24V DC systems, References Bell System calculations, Informational use guide

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

**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 leaDCalc free?

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

### Which has better reviews, AWC Connection Calc or leaDCalc?

leaDCalc is rated higher. AWC Connection Calc averages 2.5 out of 5 from 2 ratings, while leaDCalc averages 5.0 from 1 ratings.

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

AWC Connection Calc shows ads; leaDCalc does not.

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

AWC Connection Calc ships an update weekly, and leaDCalc every 7 months. Most recently, AWC Connection Calc was updated on October 13, 2026 and leaDCalc on October 29, 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.*