Comparison

Linq zero vs Project Blue Mobile

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Contact management
  • Real-time messaging
  • VoIP calling
  • Team inbox
  • Native iOS interface
  • Dark mode support
Features
Read full description

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.

About

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.

Highlights
  • 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)
Features
Read full description

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

Linq zero1 screens
Project Blue Mobile4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard1 real difference · 9 level
Linq zero versus Project Blue Mobile: the parameters behind the verdict, then further details
ParameterLinq zeroProject Blue Mobile
PriceFreeFree
Rating5.0 (2 ratings)5.0 (2 ratings)
Positive reviews—100.0% of reviews
Number of ratings22
Update frequencyFortnightlyEvery 2 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPadiPhone, iPod
Requires iOS17.015.1 — better
Further details — not scored
Size38 MB116 MB
Age rating4+4+
DeveloperLinq, LLCProject Blue Services LLC

Customer experience

Linq zero

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Project Blue Mobile

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Linq zero

No in-app purchases

None

Project Blue Mobile

No in-app purchases

Questions

Is Linq zero free?
Linq zero is free to download, with no in-app purchases.
Is Project Blue Mobile free?
Project Blue Mobile is free to download, with no in-app purchases.
Which has better reviews, Linq zero or Project Blue Mobile?
Linq zero and Project Blue Mobile are both rated 5.0 out of 5 on the App Store, from 2 and 2 ratings respectively.
Do Linq zero or Project Blue Mobile have ads?
Neither Linq zero nor Project Blue Mobile shows ads.
Which is updated more often, Linq zero or Project Blue Mobile?
Linq zero ships an update fortnightly, and Project Blue Mobile every 2 weeks. Most recently, Linq zero was updated on September 21, 2026 and Project Blue Mobile on September 23, 2026.

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