ITB Inbox vs Sub Pro App Inc.
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ITB Inbox
Manage Invitation to Bid (ITB) emails from PlanHub efficiently. Receive instant notifications for new bids, view project details, and communicate directly with General Contractors. Streamline your construction bidding process on the go.
- Instant ITB notifications
- View project details and files
- Direct communication with contractors
- Quick bid decision making
- Team ITB assignment
- Integrated PlanHub messaging
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"“Introducing ITB Inbox – your dedicated mobile solution for managing Invitation to Bid (ITB) emails from PlanHub. Key Features: • Instant Notifications: Get push alerts whenever a new ITB arrives. • Comprehensive Project Details: View project info and files with ease. • Direct Communication: Message or call General Contractors directly from the app. • Quick Decision Making: Evaluate bids and make go/no-go decisions on the spot. • Team Collaboration: Assign ITBs to your team through the Bid Board. • Integrated Messaging: Access all your PlanHub messages in one place. Streamline your bidding process with ITB Inbox – designed for construction professionals on the move. Download now and never miss a bid opportunity!”"
Sub Pro App Inc.
This app connects general contractors with verified trade and labor subcontractors in the construction industry. It facilitates project posting, contractor credential review, and direct messaging for efficient hiring and team building.
- Verified contractor profiles
- Real-time messaging
- Project posting and application
- Review and rating system
- Specialty trade matching
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The Sub Pro App Connects General Contractors, Trade Contractors, and Labor Subcontractors in the Construction Industry. FOR GENERAL CONTRACTORS: • Post Projects and find Verified Trade Contractors and Labor Subcontractors • Review Contractor Credentials, Certifications, and Ratings • Message and Hire the Right Team for your Project FOR TRADE CONTRACTORS: • Showcase your License, Insurance, and Certifications • Apply to Projects Matching your Trade Specialties • Find The Right Labor Subcontractor for Your Project • Build your Reputation with Verified Reviews FOR LABOR SUBCONTRACTORS: • Create a Professional Profile Highlighting your Skills and Rates • Get Discovered by Contractors in your Area • Request Reviews to Build your Track Record KEY FEATURES: • Verified Contractor Profiles with Credentials • Real-time Messaging between Contractors and Subcontractors • Project Posting and Application System • Review and Rating System • Specialty Trade Matching
Screenshots
Verdict
The clearest difference is rating: Sub Pro App Inc. at 5.0 against ITB Inbox's 2.4. Sub Pro App Inc. also leads on update cadence (every 5 days vs every 6 weeks) and device support (3 vs 1). On price, ratings volume, ads and in-app purchases 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.
Sub Pro App Inc. holds the better App Store score, 5.0 against 2.4. Both are backed by a comparable volume of ratings — 7 and 4 respectively.
ITB Inbox ships an update every 6 weeks, Sub Pro App Inc. every 5 days. The most recent releases landed on October 20, 2026 and October 18, 2026 respectively.
| Parameter | ITB Inbox | Sub Pro App Inc. |
|---|---|---|
| Price | Free | Free |
| Rating | 2.4 (7 ratings) | 5.0 (4 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | 7 — better | 4 |
| Update frequency | Every 6 weeks | Every 5 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 16.0 | 15.6 — better |
| Further details — not scored | ||
| Size | 127 MB | 17 MB |
| Age rating | 17+ | 4+ |
| Developer | PlanHub | Jonathan Marquez Depaz |
Customer experience
ITB Inbox
Sub Pro App Inc.
In-app purchases
ITB Inbox
No in-app purchases
Sub Pro App Inc.
No in-app purchases
