The B vs Pine Mountain OS
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
The B
This app serves HVAC/R contractors with a comprehensive resource for products, expert support, and troubleshooting. It offers training, NATE testing, and field tools, representing hundreds of manufacturers across Michigan and Northwest Ohio.
- Vast product inventory
- Expert support and troubleshooting
- Contractor training
- NATE testing
- Field tools and calculators
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Behler-Young is the complete source for the HVAC/R™ contractor. This means that in addition to our vast inventory of products, we provide expert support and troubleshooting, training for our customers, NATE testing, tools and calculators you can use in the field and on the job, and more! B-Y represents hundreds of manufacturers and we serve thousands of customers throughout Michigan and Northwest Ohio, through 16 branches and a 150,000 square foot distribution center in Kensington Park.
Pine Mountain OS
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Pine Mountain OS is the mobile companion for service-business owners and teams who need to stay on top of the workday. Manage your business from one focused workspace: - View customers, leads, and jobs - Review upcoming work and job details - Keep customer notes close at hand - Track inbound calls and website conversations - Receive alerts about important activity - Pin conversations and archive items when they are handled - Coordinate with your team while you are away from the desk - Stay connected to the Pine Mountain OS web dashboard Pine Mountain OS is designed for small and growing service businesses, including home services, maintenance, repair, and field-service teams. The app requires an existing Pine Mountain OS account. Your email and password are the same ones used for the Pine Mountain OS web dashboard.
Screenshots
Verdict
The clearest difference is ads: Pine Mountain OS at none against The B's shown. Pine Mountain OS also leads on update cadence (every 4 days vs every 9 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
The B ships an update every 9 months, Pine Mountain OS every 4 days. The most recent releases landed on November 2, 2026 and October 31, 2026 respectively.
| Parameter | The B | Pine Mountain OS |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (4 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 4 — better | — |
| Update frequency | Every 9 months | Every 4 days — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 6 MB | 45 MB |
| Age rating | 4+ | 4+ |
| Developer | The Behler-Young Company | Jason Mangus |
In-app purchases
The B
No in-app purchases
Pine Mountain OS
No in-app purchases









