# PullCalc vs SKM Mobile

The clearest difference is rating: PullCalc at 4.0 against SKM Mobile's 3.0. PullCalc also leads on in-app purchases (none vs 1) and update cadence (every 2 months vs every 7 months). SKM Mobile's advantage is iOS requirement (12.2 vs 16.6). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. SKM Mobile sells 1 in-app purchase, starting at $299.99 per year. PullCalc asks for nothing beyond the download.

PullCalc holds the better App Store score, 4.0 against 3.0. Both are backed by a comparable volume of ratings — 3 and 3 respectively.

PullCalc ships an update every 2 months, SKM Mobile every 7 months. The most recent releases landed on June 9, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | PullCalc | SKM Mobile |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (3 ratings)](https://appshunter.io/ios/app/pullcalc/id907209553/reviews)** | [3.0 (3 ratings)](https://appshunter.io/ios/app/skm-mobile/id1543836977/reviews) |
| Number of ratings | 3 | 3 |
| Positive reviews | 83.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 7 months |
| Monetization | **Free** | Subscription |
| Size | 21 MB | 132 MB |
| Requires iOS | 16.6 | **12.2** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [GREENLEE TOOLS, INC.](https://appshunter.io/developer/1435630923) | [S.K.M. SYSTEMS ANALYSIS, INC.](https://appshunter.io/developer/1543836979) |

## What reviewers say

### PullCalc

[App page](https://appshunter.io/ios/app/pullcalc/id907209553)

This app assists electricians and contractors in estimating the pull force required for installing electrical cables in conduit. Users input details for each leg of the conduit run, including wire size, conduit ID, and bend angles, to generate an approximate pull force calculation.

**Highlights:** Estimate pull force for cable installation, Input data by conduit legs, Supports various input parameters (wire size, conduit ID, bends), Includes coefficient of friction guidance, Provides suggested friction coefficients for lubricated cable

**Features:** macOS Compatibility

**In-app purchases:** none


### SKM Mobile

[App page](https://appshunter.io/ios/app/skm-mobile/id1543836977)

Capture field data, view study results, and manage equipment settings on your mobile device. Seamlessly import information to your desktop program and enhance your workflow with on-the-go access to essential project details.

**Highlights:** Field data collection, View study results, Import data to desktop, Capture photos and videos, Scan QR codes, Scribble notes

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SKM Mobile Subscription | $299.99 | per year |


## Frequently asked questions

### Is PullCalc free?

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

### Is SKM Mobile free?

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

### Which has better reviews, PullCalc or SKM Mobile?

PullCalc is rated higher. PullCalc averages 4.0 out of 5 from 3 ratings, while SKM Mobile averages 3.0 from 3 ratings.

### Do PullCalc or SKM Mobile have ads?

Neither PullCalc nor SKM Mobile shows ads.

### Which is updated more often, PullCalc or SKM Mobile?

PullCalc ships an update every 2 months, and SKM Mobile every 7 months. Most recently, PullCalc was updated on June 9, 2026 and SKM Mobile on September 12, 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.*