OpenSolar vs Sales Pro BT
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
OpenSolar
This free application provides a comprehensive solution for designing and selling solar energy systems. It offers end-to-end functionality for solar professionals.
- End-to-end solar design
- Sales application
- Free to use
- Comprehensive functionality
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OpenSolar is the world's first free, end-to-end, solar design and sales application.
Sales Pro BT
This application helps sales teams track their door-to-door and field sales activities. It provides essential information to sales representatives, aiming to improve lead generation and overall sales performance.
- Door-to-door sales tracking
- Field sales activity management
- Lead generation tools
- Sales representative information
- Direct campaign tracking
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Sales Pro - Door-to-Door Sales Tracking CRM. Sales Pro provides a solution to all the problems of tracking the activities of your sales forces for the door-to-door, face-to-face, field, or direct campaign. It provides all the required information to the sales force that helps the sales representatives to generate more leads.
Screenshots
Verdict
The clearest difference is rating: OpenSolar at 4.4 against Sales Pro BT's 3.7. OpenSolar also leads on ratings volume (10 vs 3). Sales Pro BT's advantage is update cadence (every 10 days vs every 6 weeks). On price, ads, in-app purchases and monetization model 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.
OpenSolar holds the better App Store score, 4.4 against 3.7. Both are backed by a comparable volume of ratings — 10 and 3 respectively.
OpenSolar ships an update every 6 weeks, Sales Pro BT every 10 days. The most recent releases landed on September 5, 2026 and September 20, 2026 respectively.
| Parameter | OpenSolar | Sales Pro BT |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (10 ratings) — better | 3.7 (3 ratings) |
| Positive reviews | 45.5% of reviews | — |
| Number of ratings | 10 — better | 3 |
| Update frequency | Every 6 weeks | Every 10 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.7 — better | 16.6 |
| Further details — not scored | ||
| Size | 216 MB | 50 MB |
| Age rating | 4+ | 4+ |
| Developer | OpenSolar Pty Ltd | Bamboo Tech LLC |
Customer experience
OpenSolar
Sales Pro BT
In-app purchases
OpenSolar
No in-app purchases
Sales Pro BT
No in-app purchases
