Linq zero vs Project Blue Mobile
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Linq zero
Manage professional contacts, communicate with clients via messaging and calls, and monitor team conversations. This native iOS app offers a clean interface with features like real-time messaging, VoIP calling, and team inbox functionality.
- Contact management
- Real-time messaging
- VoIP calling
- Team inbox
- Native iOS interface
- Dark mode support
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Your professional relationships, always within reach. Linq brings LinqCRM to your iPhone. Manage contacts, message clients, and make calls — all from one native iOS app. CONTACTS - Search your contacts instantly - View profiles, activities, and integration sync status - Add notes and manage tags on the go MESSAGING - Real-time text messaging with delivery tracking - Share photos, documents, and voice memos - Quick templates for common responses CALLING - Make VoIP calls directly in the app - View call history, summaries, and transcripts TEAM INBOX - Monitor your team's conversations - Handle inquiries on behalf of teammates DESIGNED FOR PROS - Clean native interface with dark mode - Fast search and filtering - Haptic feedback throughout Stay productive wherever you are.
Project Blue Mobile
This app enables peer-to-peer messaging directly from your CRM, bypassing typical SMS filters and registration hurdles. It ensures messages are delivered personally, like they came from a real person's phone, with features like AI voice memos and rich media.
- Peer-to-peer messaging from CRM
- No A2P registration required
- Smart fallback to best channel
- Rich media support (HD video, images)
- AI-generated voice memos
- Real-time analytics dashboards
- CRM integrations (HighLevel, HubSpot, Close)
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Project Blue turns your CRM into a peer-to-peer messaging powerhouse. Send messages directly from your existing workflows, person to person, the way messaging was meant to work. No A2P registration, no carrier filters, no compliance headaches. Most sales teams lose deals in the follow-up. Emails go unread. Bulk SMS gets ignored. Project Blue routes your outreach through true p2p messaging, delivering the response rates that broadcast messaging can never touch. WHAT YOU GET Real P2P Messaging from your CRM Send directly from HighLevel, Close, HubSpot, and more. Every message arrives like it came from a real person's phone, because it did. No A2P Registration Your dedicated personal line is activated within 1 business day. No shared numbers, no shared reputation. 99.9% uptime. Smart Fallback If a contact can't receive one message type, we automatically switch to the best available channel at no extra charge. Always delivered, always personal. Rich Media Send HD videos, images, voice memos, and AI generated voice messages that feel one to one, even at scale. AI Voice Memos Send personalized voice messages to hundreds of contacts without recording each one. We can clone your voice so every message sounds like you. Real Time Analytics Track response rates, message volume, and delivery across your team with built in dashboards. CRM Integrations HighLevel, Close, HubSpot, Slack, and more. White glove onboarding, live in a day. "Our conversion from lead to booked appointment has skyrocketed. The ROI is undeniable." Sean S., myHomeIQ "Since Project Blue we've had 50 to 60% show rates. It's been double." Brady W., TrustOtter Book a demo at tryprojectblue.com
Screenshots
Verdict
The clearest difference is iOS requirement: Project Blue Mobile at 15.1 against Linq zero's 17.0. On price, rating, ratings volume and update cadence 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.
On the App Store both sit at effectively the same score — 5.0 for Linq zero against 5.0 for Project Blue Mobile. Both are backed by a comparable volume of ratings — 2 and 2 respectively.
Linq zero ships an update fortnightly, Project Blue Mobile every 2 weeks. The most recent releases landed on September 21, 2026 and September 23, 2026 respectively.
| Parameter | Linq zero | Project Blue Mobile |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) | 5.0 (2 ratings) |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | 2 | 2 |
| Update frequency | Fortnightly | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 17.0 | 15.1 — better |
| Further details — not scored | ||
| Size | 38 MB | 116 MB |
| Age rating | 4+ | 4+ |
| Developer | Linq, LLC | Project Blue Services LLC |
Customer experience
Linq zero
Project Blue Mobile
In-app purchases
Linq zero
No in-app purchases
Project Blue Mobile
No in-app purchases





