Sideline - Alternatives & Competitors
Stay private with a reliable 2nd phone number
Sideline provides a second phone number app that helps users maintain privacy by separating personal and public communications, with features like spam detection and unlimited messaging.
Ranked by Relevance
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1
Line2 Maintain your privacy with a second line for calls, texts, and moreLine2 is a virtual phone service that provides a second phone line for privacy, offering unlimited calls and texts in the U.S. and Canada with customizable features like call blocking and screening.
- Paid
- From 8$
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2
Dingtone Affordable Calls & Texts for EveryoneDingtone is an AI-powered app providing a second phone number for cheap international calls and texts via WiFi, with features like voicemail and call blocking.
- Other
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3
Truecaller The World’s Best Caller ID and Spam Blocking AppTruecaller is a leading caller ID and spam blocking application designed to identify unknown callers and protect users from spam calls and SMS.
- Freemium
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4
Private Line Protect Your Privacy with Secure, Burnable Phone NumbersPrivate Line allows users to create real local phone numbers for private calling and texting, offering military-grade encryption and the ability to burn numbers anytime. This secure communication solution helps protect privacy by providing anonymous messaging and flexible number management.
- Freemium
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5
Crypton.sh Secure Second Phone Number with End-to-End EncryptionCrypton.sh offers encrypted, cloud-based second phone numbers with robust privacy features, including zero-access encryption and international message capabilities.
- Paid
- From 9$
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6
Reverse Lookup A free reverse phone lookup app to help you identify unknown callers.Reverse Lookup is a free AI-powered app for identifying unknown callers quickly and accurately, helping users avoid spam and scams with fast, reliable results.
- Free
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7
CallApp Always Know Who's CallingCallApp is a free Caller ID and Call Blocker app that identifies unknown numbers, blocks spam calls, and enriches contacts with social media information for over 25 million users worldwide.
- Free
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8
Ayamote Identify unknown incoming calls and block unwanted spam calls with advanced caller ID technology.Ayamote is a caller ID and call blocking app that identifies unknown calls and blocks spam, telemarketers, and scammers using a global community database of over 10 billion numbers.
- Free
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9
SpamHound Advanced SMS Spam Filter with Customizable RulesSpamHound is an SMS and MMS spam filter app that helps users block unwanted messages and calls using advanced customizable filtering rules, ensuring privacy without requiring message content access.
- Free
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10
Phone Generator Generate Valid Fake Phone Numbers InstantlyPhone Generator offers users a secure and easy way to create valid fake phone numbers for any country, helping protect personal privacy online.
- Free
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11
CatfishNumr Phone Number Search Engine for Safer Online InteractionsCatfishNumr is a reverse phone lookup tool that helps users check phone numbers for signs of fake, reused, or suspicious activity using real-time data scanning and risk profiling.
- Pay Once
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12
ChatOdyssey Privacy-first hidden email and virtual phone number services.ChatOdyssey offers anonymous email relay and virtual phone numbers, empowering users to protect their identity and enhance security online.
- Free Trial
- From 5$
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13
Vyke Revolutionize Your Communication with Multiple Mobile NumbersVyke offers up to four additional mobile numbers on one device, free calls and messaging between users, and low-cost international calls and SMS—all managed through a user-friendly app.
- Usage Based
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14
Telephony Virtual Phone Numbers with Intelligent Chatbot IntegrationsTelephony provides virtual phone numbers with advanced SMS routing, privacy protection, and automated chatbot integrations for seamless business communication.
- Other
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