2ndLine - Second Phone Number
2ndLine - Second Phone Number Summary
2ndLine - Second Phone Number is a ad-supported, with in-app purchases Android app in Communication by TextNow, Inc.. Released in Feb 2017 (9 years ago). It has about 18.7M+ installs and 139.2K ratings with a 3.93★ (average) average. Based on AppGoblin estimates, it reaches roughly 132.9K monthly active users and generates around $10K+ monthly revenue (35% IAP / 65% ads). Store last updated May 25, 2026
Recent activity: 3.9K installs this week (19.7K over 4 weeks) showing steady growth , and 27 new ratings this week View trends →
SDK intelligence: AppGoblin detected 10 development tools(e.g. Square), 10 ad networks, 5 analytics: product, 4 business tools, 2 analytics: attribution,and 1 mediation integrated into 2ndLine - Second Phone Number. View full SDK list →
Data tracking: The app's network data flows (API traffic to/from the app and its SDKs) were last crawled on Apr 25, 2026.
2ndLine - Second Phone Number SDKs Summary
2ndLine - Second Phone Number was last scanned for SDKs on 2026-07-02. Below is the overview of third-party companies detected in the app. The full list of SDKs, permissions and unknowns is available here.
AppGoblin saw 2ndLine - Second Phone Number uses 4 Business Tools
Stripe
WithPersona
Cash App
PayPalAppGoblin saw 2ndLine - Second Phone Number uses 2 Analytics: Attribution
Adjust
AppsFlyerAppGoblin saw 2ndLine - Second Phone Number uses 10 Development Tools
Square
Airbnb Engineering
Bumptech
GoogleAppGoblin saw 2ndLine - Second Phone Number uses 10 Ad Networks
Facebook
Fyber
Digital TurbineAppGoblin saw 2ndLine - Second Phone Number uses 5 Analytics: Product
Braze
LeanPlum
LiveRamp
FirebaseAppGoblin saw 2ndLine - Second Phone Number uses 1 Mediation
AdMob3.93★
Ratings: 139.2K
Screenshots
App Description
Get nationwide unlimited calls and texts. Use as a second phone number.
Staying connected shouldn’t stress you out. Get a new phone number free with the US area code of your choice and start calling and texting freely to anywhere in the US and Canada.
FREE TALK & TEXT NATIONWIDE: NO PHONE BILL
Stay connected with the 2ndLine free Wi-Fi calling and texting app
SECOND PHONE NUMBER: FOR CALLING & TEXTING
Use the 2ndLine calling and text messaging app as a free second phone line.
INTERNATIONAL CALLING: 230+ COUNTRIES
Are your friends and family overseas? 2ndLine offers free calls to Canada and low-cost international calls to 230+ countries with rates starting at less than $0.01 USD per minute. Cherish talk time with loved ones far away.
WHY 2ndLine?
• Free calling, free texting.
• Call and text for free immediately when you download the 2ndLine app.
• Get a local phone number. Area codes from most metro areas in the US available.
• Voice call, direct message, picture and video messages to the US or Canada for free.
HOW IS 2ndLine FREE?
There are no yearly or monthly fees to use 2ndLine. We partner with brands to pay for your phone calling and messaging (so you don’t have to) with in-app ads. Ads won’t interrupt your experience. If you don't like ads, you can purchase a subscription to remove them. If you don't like ads, you can purchase a subscription to remove them.
MORE FEATURES
• Caller ID
• Customizable free text tones, call tones, ringtones, vibrations and phone backgrounds
• Quick Reply to speedily respond to friends
• A home screen widget for instant use
Choose 2ndLine as your default dialer for a seamless calling experience. By granting access to your call logs, you'll be able to easily find and call your contacts in the 2ndLine app, view your call history, manage missed calls, and sync your 2ndLine message history across all your devices.
TERMS OF USE AND PRIVACY POLICY
The use of 2ndLine is subject to accepting our terms of use (https://www.2ndline.co/terms) and privacy policy (https://www.2ndline.co/privacy ; For California Residents: https://www.2ndline.co/privacy#california-privacy-rights).
2ndLine is affiliated with TextNow Inc. 2ndLine is not affiliated with other texting and calling apps.