App comparison
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Sideline
Based on GetApp‘s extensive, proprietary database of in-depth, verified user reviews
Your Phone’s Other Number.
Sideline Alternatives & Competitors (2026)
Top 4 free alternatives
Dialpad
Based on GetApp‘s extensive, proprietary database of in-depth, verified user reviews
Cloud communications system for enterprise businesses
0.4
Value for money
Starting price
0.4
Functionality
Call Conferencing
5/5
Power Dialer
5/5
Performance Metrics
5/5
Top Features
VoIP
5/5
Caller ID
5/5
VoIP Connection
4.7/5
Ultatel Cloud Business Phone System
Based on GetApp‘s extensive, proprietary database of in-depth, verified user reviews
ULTATEL | Phone and Teleommunication Solutions For Business
1.1
Value for money
Starting price
0.8
Functionality
Voicemail Transcription
5/5
Access Controls/Permissions
5/5
Call Screening
5/5
Top Features
VoIP
5/5
Caller ID
5/5
VoIP Connection
4.7/5
Clearstream
Based on GetApp‘s extensive, proprietary database of in-depth, verified user reviews
The church texting software you'll love
0.8
Value for money
Starting price
0.8
Functionality
Campaign Scheduling
5/5
Role-Based Permissions
5/5
Email Management
5/5
Top Features
VoIP
5/5
Caller ID
5/5
VoIP Connection
4.7/5
Sinch Engage
Based on GetApp‘s extensive, proprietary database of in-depth, verified user reviews
All-in-one messaging platform for SMS, MMS, RCS & WhatsApp
0.6
Value for money
Starting price
0.3
Functionality
Real-Time Notifications
5/5
Lead Management
5/5
Third-Party Integrations
5/5
Top Features
VoIP
5/5
Caller ID
5/5
VoIP Connection
4.7/5
HubSpot Sales Hub
Based on GetApp‘s extensive, proprietary database of in-depth, verified user reviews
Freemium email productivity & tracking for sales teams
0.5
Value for money
Starting price
0.6
Functionality
Reminders
5/5
For Startups
5/5
Opportunity Management
5/5
Top Features
VoIP
5/5
Caller ID
5/5
VoIP Connection
4.7/5
Perfect Doc Studio
Based on GetApp‘s extensive, proprietary database of in-depth, verified user reviews
Customer Communication Made Simple with AI
1.3
Value for money
No pricing info
Starting price
1.2
Functionality
Third-Party Integrations
5/5
Template Management
5/5
Multi-Language
5/5
Top Features
VoIP
5/5
Caller ID
5/5
VoIP Connection
4.7/5
Based on GetApp‘s extensive, proprietary database of in-depth, verified user reviews
Turn the World Into Your Office
0.6
Value for money
Starting price
0.4
Functionality
PBX
5/5
Virtual Extensions
5/5
Multi-User Collaboration
5/5
Top Features
VoIP
5/5
Caller ID
5/5
VoIP Connection
4.7/5
Based on GetApp‘s extensive, proprietary database of in-depth, verified user reviews
RingEX - AI meets trusted communications
0.4
Value for money
Starting price
0.5
Functionality
Multi-Channel Communication
5/5
Virtual Call Center
5/5
Event Triggered Actions
5/5
Top Features
VoIP
5/5
Caller ID
5/5
VoIP Connection
4.7/5
Based on GetApp‘s extensive, proprietary database of in-depth, verified user reviews
Develop enterprise & customer-facing apps
0.3
Value for money
Starting price
0.6
Functionality
Database Support
5/5
User Interface
5/5
Iteration Management
5/5
Top Features
VoIP
5/5
Caller ID
5/5
VoIP Connection
4.7/5
Based on GetApp‘s extensive, proprietary database of in-depth, verified user reviews
Software for sending bulk messages on WhatsApp
0.6
Value for money
Starting price
0.9
Functionality
Contact Management
5/5
Mass Texting
4.8/5
Communication Management
N/A
Top Features
VoIP
5/5
Caller ID
5/5
VoIP Connection
4.7/5
Based on GetApp‘s extensive, proprietary database of in-depth, verified user reviews
Cloud-based phone system for sales, support & growing teams
0.5
Value for money
Starting price
0.5
Functionality
Callback Scheduling
5/5
Queue Management
4.9/5
IVR
4.8/5
Top Features
VoIP
5/5
Caller ID
5/5
VoIP Connection
4.7/5
Based on GetApp‘s extensive, proprietary database of in-depth, verified user reviews
Email marketing & market automation platform for marketers
0.9
Value for money
Starting price
0.5
Functionality
Segmentation
5/5
SMS Messaging
5/5
Event Triggered Actions
5/5
Top Features
VoIP
5/5
Caller ID
5/5
VoIP Connection
4.7/5
Based on GetApp‘s extensive, proprietary database of in-depth, verified user reviews
Business texting made simpler
1.3
Value for money
Starting price
1.2
Functionality
Mass Texting
5/5
SMS Messaging
5/5
Scheduled Messaging
5/5
Top Features
VoIP
5/5
Caller ID
5/5
VoIP Connection
4.7/5
Based on GetApp‘s extensive, proprietary database of in-depth, verified user reviews
Cloud-based contact center solution
0.9
Value for money
Starting price
0.9
Functionality
Predictive Dialer
5/5
Customer Database
5/5
Call Transfer
5/5
Top Features
VoIP
5/5
Caller ID
5/5
VoIP Connection
4.7/5
Based on GetApp‘s extensive, proprietary database of in-depth, verified user reviews
HIPAA-compliant phone, fax, text, and video for healthcare
1.3
Value for money
Starting price
0.2
Functionality
Patient Engagement
5/5
Messaging
5/5
Incident Management
N/A
Top Features
VoIP
5/5
Caller ID
5/5
VoIP Connection
4.7/5
Based on GetApp‘s extensive, proprietary database of in-depth, verified user reviews
Simple to use cold outreach enabling more calls & less admin
1.0
Value for money
Starting price
0.5
Functionality
Computer Telephony Integration
5/5
Campaign Management
5/5
Caller ID
5/5
Top Features
VoIP
5/5
Caller ID
5/5
VoIP Connection
4.7/5
Based on GetApp‘s extensive, proprietary database of in-depth, verified user reviews
MirrorFly CPaaS Ultimate Solution for All Your Communication
0.3
Value for money
Starting price
1.2
Functionality
Mobile Development
N/A
Secure Data Storage
N/A
Reminders
N/A
Top Features
VoIP
5/5
Caller ID
5/5
VoIP Connection
4.7/5
Based on GetApp‘s extensive, proprietary database of in-depth, verified user reviews
Cloud-based application development tool for eCommerce firms
1.0
Value for money
Starting price
0.8
Functionality
Shopping Cart
5/5
Multi-Currency
5/5
Automatic User/Device Recognition
5/5
Top Features
VoIP
5/5
Caller ID
5/5
VoIP Connection
4.7/5
Based on GetApp‘s extensive, proprietary database of in-depth, verified user reviews
Cloud-based marketing automation platform
1.3
Value for money
No pricing info
Starting price
0.6
Functionality
Email Marketing
5/5
SMS Messaging
5/5
Scheduled Messaging
5/5
Top Features
VoIP
5/5
Caller ID
5/5
VoIP Connection
4.7/5
Based on GetApp‘s extensive, proprietary database of in-depth, verified user reviews
Omnichannel contact center software
1.3
Value for money
Starting price
1.2
Functionality
Third-Party Integrations
N/A
Call Recording
N/A
Computer Telephony Integration
N/A
Top Features
VoIP
5/5
Caller ID
5/5
VoIP Connection
4.7/5
