Reliable PBX

Reliable PBX

By ReliablePBX

Reliable PBX is a mobile VoIP application for business communication, offering SMS, call management, and CRM integration on iOS and Android.

The App DNA

What makes this app unique?

The app removes the friction of managing business calls on personal devices by providing a dedicated, professional interface that integrates directly with CRM workflows.

For Small- and medium-sized businesses seeking a VoIP phone system with human-led support and CRM integration.

What does it look like?

Key features

DISA Interconnectivityedge

Allows external landline or cell phone access to the PBX without internet, increasing contract stickiness for enterprise clients.

HubSpot CRM Integrationedge

Syncs call logs and transcripts directly, positioning the app as a core productivity tool for sales teams.

BLF (Busy Lamp Field)standard

Provides real-time status indicators for internal users, reducing communication friction.

How much does it cost?

freemiumFree trial for new usersPay-as-you-go for business extensions

Monetization relies on a B2B pay-as-you-go model with an annual plan discount of up to 20%.

Velocity

Maintenance developmentperformanceopaqueShow more...

Reliable PBX maintains a maintenance-level cadence, with only two releases identified in the recent window. The development team focuses exclusively on minor bug fixes and general improvements, with no evidence of new features or live operations. The latest release occurred 40 days ago, and the overall update frequency remains low. The publisher utilizes opaque release notes, providing no specific insight into the technical scope of these updates.

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Who built it?

ReliablePBX

1 app tracked · Business

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User Sentiment

What do users think recently?

Fresh user feedback skews thrilled. Users appreciate the voice over internet protocol system provides reliable and clear communication for business users and simple and intuitive interface design makes managing business extensions and calls effortless for users.

How are ratings & reviews evolving?

Google Play
5.00 · 11
App Store
4.43 · 7

What users say, by theme

What Users Love
  • The voice over internet protocol system provides reliable and clear communication for business users
  • Simple and intuitive interface design makes managing business extensions and calls effortless for users
  • Responsive customer support services contribute to a positive experience for business communication users

5 of 5 recent reviews analyzed · limited sample

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Competition

Competitive landscape for Reliable PBX

How's the Business market?

Reliable PBX maintains a stable presence in the Business category with a 4.4-star rating across platforms. The focus on niche CRM integrations and legacy hardware support differentiates the service from mass-market VoIP providers.

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The rivals identified

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The Analyst's Read

Key takeaways for Reliable PBX

Where is it heading?

The business VoIP market is consolidating around platforms that offer deep integration with existing enterprise software stacks. Reliable PBX is well-positioned for its current user base, but the lack of recent feature expansion leaves it vulnerable to competitors that offer broader CRM compatibility.

  • The current maintenance-mode cadence ensures stability for existing users but limits the ability to attract new segments through feature innovation.

The SWOT

Core Strengths
  • DISA interconnectivity creates a barrier to entry for legacy-heavy enterprise clients.
  • HubSpot integration increases switching costs by embedding the app into sales workflows.
Critical Frictions 2 weaknesses inside
Growth Levers
  • Expanding CRM integrations beyond HubSpot could capture new market segments.
Market Threats 1 threat identified

Next best moves

1 Invest

Ship additional CRM integrations because HubSpot-only support limits the total addressable market → increase user acquisition.

The counter-intuitive read

The lack of frequent feature updates is a strength for Reliable PBX…

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Bottom line

Reliable PBX maintains a stable position through niche enterprise integrations, but the current maintenance-mode cadence risks obsolescence against faster-moving rivals. Investing in broader CRM support would unlock new segments and defend the current market share.

Unlock 2 critical frictions, 1 market threat and the analyst’s take.

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FAQ

Is Reliable PBX suitable for small businesses?
Yes, Reliable PBX is designed for small- and medium-sized businesses that require a reliable VoIP system with human-led support and CRM integration.
Does Reliable PBX integrate with CRMs other than HubSpot?
Currently, Reliable PBX highlights HubSpot CRM integration as a core feature. There is no data indicating native support for other CRM platforms at this time.
Does Reliable PBX require an internet connection for all calls?
No, Reliable PBX offers DISA interconnectivity, which allows users to access the phone system from external landlines or cell phones without requiring an internet connection.

Sources

  1. [1] Reliable PBX Website, source

Report last updated

Disclosure: Independent intel to help mobile builders succeed.

AI-powered analysis with automated quality gates, built from publicly available sources. Marlvel.ai is not affiliated with, endorsed by, or sponsored by Reliable PBX, its developer, the app publisher, Apple, or Google Play. All trademarks, logos, and screenshots referenced remain the property of their respective owners.

Cite this report

Marlvel.ai. “Reliable PBX Intelligence Report.” Updated Oct 25, 2026. https://marlvel.ai/apps/reliable-pbx

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