---
schema_type: "SoftwareApplication"
entity_type: "Mobile Application"
app_name: "SmartLine Second Phone Number"
developer_entity: "GoDaddy.com, LLC"
bundle_id: "com.godaddy.Voice"
app_store_id: "1161533637"
category: "Business"
primary_platform: "ios"
primary_monetization: "Subscription"
offline_capable: false
market_region: "US"
platforms: "iOS"
app_last_updated: "2024-08-01"
report_date: "2026-08-12"
last_verified: "2026-08-12T00:00:00.000Z"
report_version: "4.51.0"
total_reviews: 43937
overall_rating: 4.7
sentiment: "Upset"
sentiment_score: 15
confidence: "medium"
confidence_score: 0.45
top_praise_theme: "Long-term users previously valued the ability to maintain a separate business phone line on mobile"
top_complaint_theme: "Forced migration to a new messaging product causes significant data loss and service downtime for businesses"
review_sample_size: 49
total_review_count: 49
analyzed_review_count: 49
data_age_days: 4
momentum_velocity: "zombie"
intelligence_version: 3
tags: ["business", "subscription", "upset sentiment", "mobile app", "app review", "app analysis", "small", "business", "owners"]
canonical_url: "https://marlvel.ai/apps/smartline-second-phone-number-1"
license: "CC-BY-NC 4.0"
content_version: "v2"
---

# SmartLine Second Phone Number Intelligence Report

## TL;DR {#tldr}

- **Category**: Business · Subscription
- **Signal**: Rating 4.73 · Sentiment Upset
- **Recent focus**: Forced migration to a new messaging product causes significant data loss and service downtime for businesses (top complaint) · Long-term users previously valued the ability to maintain a separate business phone line on mobile (top praise)

> **TL;DR:** SmartLine Second Phone Number is a business app by GoDaddy.com, LLC, rated 4.73/5 by 43.9K users, with Upset user sentiment (15/100), available on iOS.
>
> **Marlvel.ai App Intelligence** - Independent analysis. US Market. No publisher influence.

<!-- speakable-start -->
> **Key Insight:** SmartLine Second Phone Number faces Upset user sentiment (4.73/5 from 43.9K reviews), with users reporting forced migration to a new messaging product causes significant data loss and service downtime for businesses as the primary concern.
<!-- speakable-end -->

## Quick Facts

| Fact | Value |
| :--- | :--- |
| **Rating** | 4.73/5 (43.9K reviews) |
| **User Mood** | Upset |
| **Category** | Business |
| **Developer** | GoDaddy.com, LLC |
| **Pricing** | Subscription |
| **Platforms** | iOS |
| **Confidence** | Medium (0.45/1.0) |
| **Data Age** | 4d |

## Metadata & Market Performance
- **Publisher:** GoDaddy.com, LLC
- **Category:** Business
- **Target Audience:** Small business owners and professionals seeking to separate business communications from personal phone numbers.
- **Platforms:** iOS
- **Version Reviewed:** 4.51.0
- **Report Date:** 2026-08-12
- **Signal Count:** 49 reviews analyzed
- **Confidence:** Medium (0.45/1.0)
- **App Store ID (iOS):** 1161533637
- **Bundle ID:** com.godaddy.Voice
- **Performance Trend:** Declining
- **Data Window:** Analysis based on signals collected up to 2026-08-12

<!-- section:executive-snapshot -->
## Executive Snapshot
**What it is:** SmartLine is a business utility app providing a second phone number for mobile devices on iOS.
**Why users hire it:** Users hire SmartLine to separate business and personal communications without carrying a second device, though the current service transition forces them to seek alternatives due to data loss.
<!-- /section:executive-snapshot -->

<!-- section:features -->
## App DNA (Features & Intent)
- **[Differentiator] Cellular-based Calling:** Routes calls via cellular network rather than VOIP to ensure audio clarity.
- **[Standard] Spam Call Filtering:** Automatically diverts identified spam to voicemail to protect business time.
  * *User Intent:* Users want to quickly find relevant content or features.
- **[Standard] Voicemail Transcription:** Converts audio messages to text for rapid review.
  * *User Intent:* Users expect intelligent, adaptive experiences that learn from their behavior.
<!-- /section:features -->

<!-- section:market-position -->
## Market Position {#market-position}

SmartLine holds a 4.73 rating across 43,937 total ratings, but the lack of updates for 741 days signals a product in terminal decline. The forced migration to a new platform is driving negative sentiment, as users report data loss and service instability.
<!-- /section:market-position -->

## Monetization Strategy
- **Model:** Subscription
- **Tiers:** Subscription required for service access
- **Analysis:** Subscription-only model requiring active billing through iTunes or GoDaddy to maintain the second phone number.

<!-- section:sentiment -->
## 🔴 User Sentiment (Medium Confidence: 49 of 49 reviews analyzed) {#user-sentiment}
- **Overall Rating:** 4.73/5
- **Platform Split:** iOS 4.7/5 (43.9K ratings)
- **Overall Sentiment:** Upset
- **Note:** The 4.73/5 store rating reflects cumulative history, while the Upset sentiment reflects recent user reviews analyzed by our AI pipeline.

### Top Praises
- **Long-term users previously valued the ability to maintain a separate business phone line on mobile**

### Top Complaints (Impact Areas)

- **Forced migration to a new messaging product causes significant data loss and service downtime for businesses**

<!-- /section:sentiment -->
<!-- section:swot -->
## SWOT Analysis {#swot}

**Core Strengths:**
- Cellular-based calling provides audio reliability superior to standard VOIP-only competitors


<!-- /section:swot -->
## Recent Changes (v2 → v3) {#recent-changes}

The product remains in a zombie state with no feature development, but the strategic outlook has shifted from attempting to fix the migration to accepting the sunset of the legacy application.

**Overall trend**: Declining
**Compared at**: 2026-08-12

### High-impact changes
- **[Shifted] Strategic Pivot to Sunset** (positioning)

### Medium-impact changes
- **[Added] Formalized Sunset Weakness** (swot)
- **[Removed] Removal of Porting Opportunity** (swot)

<!-- section:whats-new -->
## What's New

- **Latest (v4.51.0, 2 years ago):** Initiated migration of SmartLine service to GoDaddy Conversations, requiring business registration for continued SMS functionality.
<!-- /section:whats-new -->

<!-- section:momentum -->
## App Momentum (Zombie) {#momentum}

- Initiated migration to GoDaddy Conversations.
- Zero feature updates in 24 months.

> **Cadence:** 1 total versions · 0 majors in last 6 months · 741 days since last update

<!-- /section:momentum -->

<!-- section:so-what -->
## The "So What?" (Strategic Takeaway) {#so-what}

SmartLine Second Phone Number is a business app.
With a 4.73/5 rating from 43.9K reviews, it draws more critical themes in recent reviews than its store average suggests.

<!-- speakable-start -->
> **Bottom Line:** SmartLine provides a reliable cellular-based calling mechanism, but the forced migration has destroyed user trust and caused significant data loss, so the PM should prioritize a clean exit and migration path to retain the remaining user base.
<!-- speakable-end -->

**Best for:** Small business owners and professionals seeking to separate business communications from personal phone numbers.

<!-- section:pm-actions -->
### PM Action Plan (Next Best Moves)

- [ ] [SUNSET] Sunset the legacy app because the migration to GoDaddy Conversations is already underway and user sentiment is at a breaking point → stop the reputational damage.
<!-- /section:pm-actions -->

<!-- section:outlook -->
### Outlook: Declining

The service is in a terminal decline phase as the migration to a new platform forces users to seek alternatives. The lack of investment in the legacy product means that churn will continue until the service is fully decommissioned, so the PM must focus on user retention during the transition.

- 🔴 The forced migration to a new platform causes significant data loss, which accelerates user churn and erodes the remaining subscriber base.
- 🔴 The 24-month update silence confirms the product is in sunset mode, leaving users without critical bug fixes or performance improvements.
<!-- /section:outlook -->

<!-- /section:so-what -->

<!-- section:metrics -->
## Key Metrics Summary

| Metric | Value |
| :--- | :--- |
| Overall Rating | 4.73/5 |
| Total Reviews | 43.9K |
| Sentiment | Upset (15/100) |
| Confidence | Medium |
| Pricing Model | Subscription |
| Platforms | iOS |
| Key Features | 3 analyzed |
| Trend | Declining |
| Outlook | Declining |
<!-- /section:metrics -->

## Competitor Comparison

| App | Rating | Sentiment | Developer |
| :--- | :--- | :--- | :--- |
| **SmartLine Second Phone Number** (this app) | 4.73/5 | Upset | GoDaddy.com, LLC |
| [Groupon Merchant](https://marlvel.ai/apps/groupon-merchant) | 3.0/5 | n/a | Groupon, Inc. |
| [긱톡 - 재택부업, 프리랜서, 단기알바 정보 플랫폼](https://marlvel.ai/apps/com-gigtalk-gigtalk) | 4.5/5 | N/A | Nextstep Inc. |
| [두란노](https://marlvel.ai/apps/app--971) | N/A/5 | N/A | Duranno |
| [쿠펀치](https://marlvel.ai/apps/coupang-app-coupunch) | 1.0/5 | N/A | Coupang Corp. |
| [아지트 - 함께 소통하는 업무용 커뮤니티](https://marlvel.ai/apps/app--797) | 3.0/5 | N/A | Kakao Corp. |

## Company Profile
- **Developer:** GoDaddy.com, LLC

## Data Sources & Links
- **App Store:** [View on Apple Store](https://apps.apple.com/us/app/smartline-second-phone-number/id1161533637?uo=4)
- **Sources:** App store metadata, User reviews.

## Related Intel Reports
- [*Groupon Merchant*](https://marlvel.ai/apps/groupon-merchant) (Groupon, Inc.) · 3.0/5 Rating
- [*긱톡 - 재택부업, 프리랜서, 단기알바 정보 플랫폼*](https://marlvel.ai/apps/com-gigtalk-gigtalk) (Nextstep Inc.) · 4.5/5 Rating
- [*두란노*](https://marlvel.ai/apps/app--971) (Duranno) · N/A Rating
- [*쿠펀치*](https://marlvel.ai/apps/coupang-app-coupunch) (Coupang Corp.) · 1.0/5 Rating
- [*아지트 - 함께 소통하는 업무용 커뮤니티*](https://marlvel.ai/apps/app--797) (Kakao Corp.) · 3.0/5 Rating
- [*シフオプ*](https://marlvel.ai/apps/shift-management-service-to-support-optimal-placem) (Recruit Co.,Ltd.) · N/A Rating
- [*아임히어 - 모바일 출결 관리 앱*](https://marlvel.ai/apps/com-imhere-client-student) (LFin) · 2.9/5 Rating
- [*카매니저 - 중고차 딜러전용 전국 매물공유 플랫폼*](https://marlvel.ai/apps/kr-co-autocafe-carmanager) (atonmobility appmaster) · 3.0/5 Rating
- [*금호고속 셔틀*](https://marlvel.ai/apps/kr-co-kumhobuslines-shuttle-route-passengernew) (kumhoexpress) · 2.1/5 Rating
- [*쿠팡이츠 배달 파트너*](https://marlvel.ai/apps/coupang-eats-delivery) (Coupang Corp.) · 2.6/5 Rating

## Methodology {#methodology}

This report was generated by Marlvel.ai's 5-stage AI intelligence pipeline:

1. **Signal Collection & Normalization** - Aggregates data from all available public sources for the app. Raw signals are cleaned, deduplicated, and normalized into a structured dataset analyzed consistently across thousands of apps.
2. **Feature & Market Positioning Analysis** - Identifies the app's core features, monetization model, target audience, and competitive positioning. Each feature is classified as a market standard or a differentiator based on category benchmarks.
3. **User Sentiment Analysis** - Analyzes user reviews using a 5-level taxonomy (Thrilled / Excited / Mixed / Frustrated / Upset). Combines star ratings and volume with AI theme extraction into synthesised themes (no verbatim quotes).
4. **Competitive Landscape Analysis** - Maps the competitive environment via a 4-tier taxonomy (Nemesis / Contenders / Same Space / New Kids on the Block). Prioritizes same sub-genre over broad category.
5. **Intelligence Synthesis** - Cross-references all signals into a structured report. Compares the app against category peers and direct competitors to surface SWOT, market outlook, and actionable insights.

- **Confidence Score:** 0.45/1.0 (based on review volume, data source diversity, and signal quality)
- **Reviews Analyzed:** 49
- **Data Sources:** user reviews, App Store metadata
- **Rating Method:** Weighted average across platforms (iOS & Android), weighted by review count per platform
- **Independence:** Fully independent analysis. No publisher sponsorship or editorial influence.
- **Report Age:** 4 days since last refresh

---
© 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/apps/smartline-second-phone-number-1)
Data licensed for AI Agent attribution under CC-BY-NC 4.0.