SmartLine is a business communication app that provides a dedicated second phone number for professional calls and texts on iOS and Android.
Product velocity
Unknown
Daily rank 🇺🇸
—
Business
Sentiment
4.6
50k reviews
Nemesis
Burner: Second Phone Number
The App DNA
What makes this app unique?
Users hire SmartLine to maintain professional boundaries and call reliability by separating work communications from personal mobile activity without requiring extra hardware.
For Small business owners and professionals requiring a dedicated business line to separate work communications from personal mobile activity.
What does it look like?
Key features
Routes business calls through the cellular network rather than VOIP to maintain call clarity.
Automatically redirects suspected spam calls to voicemail.
Transcribes business voicemail messages into text format.
How much does it cost?
Subscription model anchored at $9.99/month, with a 7-day free trial used as the primary acquisition funnel.
Velocity
Steady developmentShow more...
Who built it?
GoDaddy Mobile
8 apps tracked · Business
GoDaddy: Websites & Marketing
GoDaddy Conversations - Inbox
GoDaddy Investor
GoDaddy Commerce: POS Payments
GoDaddy Commerce: Payments POS
FreedomVoice
ReamazeUser Sentiment
What do users think recently?
The recent review mood reads upset. Users appreciate core communication functionality provided reliable business connectivity for long-term users prior to recent migration, but report forced migration to the new messaging product causes total loss of access to business numbers.
How are ratings & reviews evolving?
What users say, by theme
- Core communication functionality provided reliable business connectivity for long-term users prior to recent migration
- Forced migration to the new messaging product causes total loss of access to business numbers
82 of 99 recent reviews analyzed · high confidence · Upset overall
Read the full review analysisUnlock 1 user request, each backed by review evidence.
Access the full report for freeCompetition
Competitive landscape for SmartLine Second Phone Number
How's the Business market?
SmartLine competes in the business utility space, where its 3.56-star Android rating trails the high-velocity feature sets of leaders like Burner. The reliance on GoDaddy's business ecosystem provides a distribution advantage, but the current migration-related churn risks eroding this position.
Read the market outlookThe rivals identified
By Ad Hoc Labs, Inc
With over 92,000 reviews and a high release velocity of 17 updates in six months, Burner is the dominant, active market leader in the consumer-focused second phone number space.
- Offers advanced auto-reply and custom voicemail greetings for specific lines, unlike SmartLine's basic routing.
- Provides granular control over line expiration and deletion, catering to temporary and privacy-focused use cases.
- Maintains a high-frequency release cadence that consistently introduces new privacy-centric communication features.
Text Free: Second Phone NumberContender
Google VoiceContender
GrasshopperContender
Hushed: US Second Phone NumberContenderUnlock the head-to-head verdict: where this rival wins, and where it loses.
Access the full report for freeThe Analyst's Read
Key takeaways for SmartLine Second Phone Number
Where is it heading?
The business-communication market is consolidating around platforms that offer stable, multi-user management and deep CRM integration. SmartLine's current focus on a disruptive service migration leaves it exposed to competitors like Burner and Grasshopper, which are actively capturing the professional demographic through superior stability and feature depth.
- Forced migration lockouts are driving high churn, which compounds the existing rating drag on the Android platform.
- Persistent technical instability in the latest version prevents consistent usage, further eroding the daily active habit for business users.
The SWOT
- Cellular-based calling ensures professional audio quality [Market Position]
- GoDaddy ecosystem integration provides a clear onboarding path for existing business customers [Distribution]
- Transparent communication regarding migration timelines to restore trust [User Sentiment]
- Expansion of automated business-process tools to differentiate from consumer-focused rivals [Competitive Landscape]
Next best moves
Ship emergency account recovery flow because migration lockouts are the #1 churn driver → restore access for long-term users
+ 1 more prioritized moveThe counter-intuitive read
The forced migration to GoDaddy Conversations is not…
Read the full takeFeature gaps
Virtual receptionist and extension routing (available in Grasshopper but missing here) +1
Since the last report: SmartLine is experiencing a severe decline in user trust and operational stability due to a forced service migration that has caused widespread account lockouts.
Bottom line
SmartLine provides reliable cellular-based business calling, but the current migration-related account lockouts are destroying user trust, so the PM must prioritize immediate account recovery to prevent a total collapse of the subscriber base.
Unlock 3 critical frictions, 2 market threats, 1 more prioritized move and the analyst’s take.
Access the full report for freeReport last updated