# Northwest Propane vs TB Logic

The clearest difference is in-app purchases: Northwest Propane at none against TB Logic's 2. Northwest Propane also leads on iOS requirement (12.2 vs 15.1). TB Logic's advantage is update cadence (weekly vs every 6 months). On price, ads and device support there is nothing between them.

Both are free to download. TB Logic sells 2 in-app purchases, starting at $5.99 per month. Northwest Propane asks for nothing beyond the download.

Northwest Propane ships an update every 6 months, TB Logic weekly. The most recent releases landed on October 27, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Northwest Propane | TB Logic |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (4 ratings)](https://appshunter.io/ios/app/tb-logic/id6783934469/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Weekly** |
| Monetization | — | Freemium |
| Size | 56 MB | 49 MB |
| Requires iOS | **12.2** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Rural Computer Consultants, Inc.](https://appshunter.io/developer/640795441) | [Chill Inc](https://appshunter.io/developer/6783934471) |

## What reviewers say

### Northwest Propane

[App page](https://appshunter.io/ios/app/northwest-propane/id1598184512)

**Features:** macOS Compatibility

**In-app purchases:** none


### TB Logic

[App page](https://appshunter.io/ios/app/tb-logic/id6783934469)

This construction calculator offers essential tools for framers, concrete crews, and GCs. It provides feet-inch-fraction math and a tap-to-reuse running tape. A Pro version unlocks smart formulas, AI chat for jobsite math, and the ability to save and share work.

**Highlights:** Feet-inch-fraction math, Tap-to-reuse running tape, Smart construction formulas, AI jobsite math chat, Save and share work, Bilingual support (English/Spanish)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Tool Belt Logic Pro | $5.99 | per month |
| Tool Belt Logic Pro (Yearly) | $65.99 | per year |


## Frequently asked questions

### Is Northwest Propane free?

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

### Is TB Logic free?

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

### Do Northwest Propane or TB Logic have ads?

Neither Northwest Propane nor TB Logic shows ads.

### Which is updated more often, Northwest Propane or TB Logic?

Northwest Propane ships an update every 6 months, and TB Logic weekly. Most recently, Northwest Propane was updated on October 27, 2026 and TB Logic on October 10, 2026.

---

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