String — Modern Phone Inbox
String — Modern Phone Inbox Summary
String — Modern Phone Inbox is a mobile Android app in Communication by NumberBarn, LLC. Released in Apr 2019 (6 years ago). It has about 2.1K+ installs and 29 ratings with a 3.58★ (average) average. Based on AppGoblin estimates, it reaches roughly 94 monthly active users . Store metadata: updated Feb 3, 2026.
Recent activity: 1.00 installs this week (7.00 over 4 weeks) showing steady growth View trends →
Store info: Last updated on Google Play on Feb 3, 2026 .
3.58★
Ratings: 29
Screenshots
App Description
Superpowered texting & calling
Boost your brand engagement with String’s intuitive business SMS marketing, text and voice.
ANY PHONE NUMBER, EVEN LANDLINES
Use your existing mobile or landline number with String. Select a new local number or upgrade to a vanity or toll free number of your choice.
ORGANIZE YOUR INBOX
Transform your inbox into a sales funnel or kanban board with various viewing, filtering and tagging options — Stay on top of your conversations and never miss a message again.
POWERFUL MESSAGE MANAGEMENT
Mark Unread and Archive — You love it for your emails, you’ll love it for your texts.
STAY RESPONSIVE, 24/7
Amplify your interaction with automations and Auto-Replies — Respond to texts and missed calls on time, every time.
TAP INTO ENDLESS POSSIBILITIES
Contact Management & Integrations — Save important contact notes directly from the message thread. Capture contacts, import from your phone or computer,, automate workflows, integrate with tools you love (like your CRM, etc).
REACH THE MASSES, OR JUST ONE
Conversational, Groups or Mass Messaging — Respond directly with 1-1 messaging, message with a group,r or send personalized Mass Messages to multiple people at once, individually.
BUILD A LOYAL CUSTOMER BASE
Send promos, reminders and confirmations and never miss a lead, client or customer with Elite features like triggered Keyword Responses, and Auto-Replies.
SAVE TIME
Templates — No more copy-pasting the same message over and over. No time to listen to voicemail? View voicemail transcriptions in your inbox with visual voicemail.
USE IT ANYWHERE
Browser & Mobile Apps — Increase your workflow efficiency with access to String from your computer and mobile device.
CALL FORWARDING & VOICE
Separate your personal and professional calls with call forwarding and flexible voice settings.
GOT QUESTIONS?
Email our stellar support at support@joinstring.com. Find helpful articles, join our customer community and create tickets in our Help Center: https://help.joinstring.com/hc/en-us
Terms of Service: https://www.joinstring.com/terms
Privacy Policy: https://www.joinstring.com/privacy