# TechDraw vs Log Weight Pro

The clearest difference is price: Log Weight Pro at Free against TechDraw's $7.99. Log Weight Pro also leads on review sentiment (43% vs 0%) and rating (3.7 vs 3.0). TechDraw's advantage is in-app purchases (none vs 2) and update cadence (every 4 months vs every 34 months). On ads, device support and iOS requirement there is nothing between them.

Log Weight Pro is free to download; TechDraw costs $7.99 up front. Log Weight Pro sells 2 in-app purchases, starting at $9.99 per month. TechDraw asks for nothing beyond the download.

Log Weight Pro holds the better App Store score, 3.7 against 3.0. That said, the two scores are not equally well evidenced: Log Weight Pro has 12 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 0% of TechDraw's written reviews are positive against 43% of Log Weight Pro's.

TechDraw ships an update every 4 months, Log Weight Pro every 34 months. The most recent releases landed on September 24, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | TechDraw | Log Weight Pro |
| --- | --- | --- |
| Price | $7.99 | **Free** |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/techdraw/id550494966/reviews) | **[3.7 (12 ratings)](https://appshunter.io/ios/app/log-weight-pro/id1406080279/reviews)** |
| Number of ratings | 2 | **12** |
| Positive reviews | 0.0% of reviews | **42.9% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 34 months |
| Monetization | Paid | **Free** |
| Size | 2 MB | 58 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Kelly Technology Inc.](https://appshunter.io/developer/393931941) | [Tane Langton](https://appshunter.io/developer/1792259855) |

## What reviewers say

### TechDraw

[App page](https://appshunter.io/ios/app/techdraw/id550494966)

This drawing application offers built-in geometric shapes, a text editor, and an equation editor. It supports data transfer for collaboration and backup, and allows sharing on social media. A comprehensive user manual is included within the app.

**Highlights:** Geometric shapes library, Text and equation editor, Data transfer for collaboration, Social media sharing, Included user manual

**Features:** Vision Pro support

**In-app purchases:** none


### Log Weight Pro

[App page](https://appshunter.io/ios/app/log-weight-pro/id1406080279)

Easily estimate the green weight of logs for arborists. Input tree species, log width, and length to get accurate calculations based on US Forest Service data. Supports 156 North American species and offers both Imperial and Metric modes.

**Highlights:** Estimate green log weight, 156 North American tree species, Imperial and Metric modes, Integrated Green Log Weight Chart, US Forest Service data

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Log Weight Pro Monthly | $9.99 | per month |
| Log Weight Pro Annual | $69.99 | per year |


## Frequently asked questions

### Is TechDraw free?

TechDraw costs $7.99, with no in-app purchases.

### Is Log Weight Pro free?

Log Weight Pro is free to download, with in-app purchases available.

### Which has better reviews, TechDraw or Log Weight Pro?

Log Weight Pro is rated higher. TechDraw averages 3.0 out of 5 from 2 ratings, while Log Weight Pro averages 3.7 from 12 ratings.

### Do TechDraw or Log Weight Pro have ads?

Neither TechDraw nor Log Weight Pro shows ads.

### Which is updated more often, TechDraw or Log Weight Pro?

TechDraw ships an update every 4 months, and Log Weight Pro every 34 months. Most recently, TechDraw was updated on September 24, 2026 and Log Weight Pro on October 2, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*