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One Call Now

onecallnow.crisis24.com

From $0.42/mo Free trial WebiOSAndroidAPI
Visit onecallnow.crisis24.com
Spec score 8.7 #3 of 26 in Voice Broadcasting Software

What it is

One Call Now sends group messages by text, phone, email, and app alert through web, Android, and iOS. Messages can use multiple languages and formats, including voice, while unlimited dynamic contact groups can range from one person to thousands. Contacts can be imported from CSV or spreadsheet files or integrated with Salesforce and Outlook. Senders can deliver immediately or schedule campaigns, then receive real-time reports showing who received messages and when. Typed text can become voice messages for automated calls, and a saved audio library is available. Text recipients can reply, with responses tracked in the mobile app for authorized senders. The service is described for schools, nonprofits, faith groups, small businesses, and property managers. A seven-day trial includes 25 credits without a credit card; access ends afterward unless a paid account is opened.

Spec sheet

What it does
One Call Now broadcasts urgent and routine messages by automated phone call, SMS, email and app push notification.Read 15 Oct 2026 · onecallnow.crisis24.com
Purpose
One Call Now sends mass text, phone, email, and app messages to groups of any size.Read 8 Oct 2026 · onecallnow.crisis24.com
Intended users
The maker describes the platform as serving schools, nonprofits, faith groups, small businesses, and property managers.Read 8 Oct 2026 · onecallnow.crisis24.com
API
A public SOAP web service exposes authentication, contact groups, message sending, delivery reports and email functions.Read 15 Oct 2026 · api.onecallnow.com
Mobile apps
The mobile app is available through the Apple Store and Google Play and is designed for authorized senders.Read 8 Oct 2026 · onecallnow.crisis24.com
Security
The maker describes the platform as having enterprise-grade security.Read 8 Oct 2026 · onecallnow.crisis24.com
Support
One Call Now advertises U.S.-based 24/7 support and provides chat, phone and email assistance.Read 15 Oct 2026 · onecallnow.crisis24.com
API client tooling
The SOAP endpoint publishes WSDL that can generate C# and Visual Basic client classes with svcutil.exe.Read 15 Oct 2026 · api.onecallnow.com
Audio library
Pre-recorded messages can be saved and reused from an audio library.Read 15 Oct 2026 · onecallnow.crisis24.com
BBB status
The BBB profile gives One Call Now an A+ rating but says it is not BBB accredited.Read 15 Oct 2026 · bbb.org
Company founding
BBB records One Call Now as an LLC started and incorporated on July 1, 2002.Read 15 Oct 2026 · bbb.org
Company headquarters
The One Call Now LinkedIn page lists headquarters in Annapolis, Maryland and company size of 1,001–5,000 employees.Read 15 Oct 2026 · linkedin.com
Company identity
The Google Play listing identifies the developer as Crisis24 Inc., while BBB identifies One Call Now as an OnSolve LLC alternate name.Read 15 Oct 2026 · play.google.com
Contact import
Contacts can be uploaded from CSV or spreadsheet files or integrated from Salesforce and Outlook.Read 15 Oct 2026 · onecallnow.crisis24.com
Contact imports
Contacts can be imported from CSV or spreadsheet files or integrated with software such as Salesforce or Outlook.Read 8 Oct 2026 · onecallnow.crisis24.com
Delivery options
Messages can be sent in multiple languages and formats, including email, voice, text, and app alerts.Read 8 Oct 2026 · onecallnow.crisis24.com
Flexible delivery
Messages can be sent in multiple languages and across voice, text, email and app-alert channels.Read 15 Oct 2026 · onecallnow.crisis24.com
Limit: Android app issues
Google Play reviews report website-dependent administration, alert synchronization problems, password lockouts and poor recording audio.Read 15 Oct 2026 · play.google.com
Limit: contact maintenance
Reviewers say changed phone numbers and keeping directory data current can delay calls or require difficult upkeep.Read 15 Oct 2026 · g2.com
Limit: dated interface
G2 reviewers report that the web dashboard and contact-category setup feel dated, clunky or unintuitive.Read 15 Oct 2026 · g2.com
Limit: SMS and voice constraints
Review feedback mentions SMS character limits and text-to-speech pronunciation problems for initials or names.Read 15 Oct 2026 · trustradius.com
Message tools
The product includes a saved audio library and converts typed text into voice messages for automated calls.Read 8 Oct 2026 · onecallnow.crisis24.com
Messaging requirements
The acceptable use policy requires opt-in consent for SMS alerts and a simple opt-out mechanism for contacts.Read 8 Oct 2026 · onecallnow.crisis24.com
No installation
The automated calling service uses VoIP and does not require local hardware or software installation.Read 15 Oct 2026 · onecallnow.crisis24.com
Ownership news
GardaWorld announced in July 2024 that it would acquire OnSolve and combine it with Crisis24; OnSolve had about 400 employees across the United States, United Kingdom and India.Read 15 Oct 2026 · gardaworld.com
Praise: ease and reliability
G2 reviewers repeatedly describe the service as easy to use, dependable and effective for urgent communications.Read 15 Oct 2026 · g2.com
Praise: multichannel reach
Reviewers praise sending phone, text and email messages simultaneously to targeted groups with detailed delivery reports.Read 15 Oct 2026 · g2.com
Praise: reliability and trust
SoftwareReviews respondents commonly characterize the product as reliable, trustworthy and fairly priced for mass notification.Read 15 Oct 2026 · softwarereviews.com
Praise: small-organization value
A TrustRadius reviewer praises the simple interface, fast notifications, multiple channels and detailed reached-versus-unreached reports.Read 15 Oct 2026 · trustradius.com
Proprietary SaaS
Enterprise terms describe non-transferable internet-based subscription software and prohibit reverse engineering, sublicensing and competitive reuse.Read 15 Oct 2026 · onecallnow.crisis24.com
Rating on Apple App Store
2.3 out of 5 from 4 ratingsRead 15 Oct 2026 · apps.apple.com
Rating on G2
4.4 out of 5 from 58 reviewsRead 15 Oct 2026 · g2.com
Rating on GetApp
4.6 out of 5 from 25 reviewsRead 15 Oct 2026 · getapp.com
Rating on Google Play
3.0 out of 5 from 187 reviewsRead 15 Oct 2026 · play.google.com
Rating on SoftwareReviews
6.3 out of 10 from 11 reviewsRead 15 Oct 2026 · softwarereviews.com
Rating on TrustRadius
10 out of 10 from 1 reviewRead 15 Oct 2026 · trustradius.com
Scheduling and reports
Broadcasts can be sent immediately or scheduled, with real-time delivery reports showing recipients reached and timing.Read 15 Oct 2026 · onecallnow.crisis24.com
Security statement
The product site describes enterprise-grade security and the Crisis24 platform lists ISO 27001, ISO 27017, ISO 27018, SOC 2, FedRAMP and TX-RAMP Level 1 certifications.Read 15 Oct 2026 · crisis24.com
Self hosting
The service is described as hosted subscription software, with no self-hosting deployment option stated.Read 15 Oct 2026 · onecallnow.crisis24.com
System requirements
Crisis24 technical specifications require current Edge, Chrome, Safari or Firefox for web access, iOS 16 or later, and Android 11 or later.Read 15 Oct 2026 · files.crisis24.com
Targeted groups
Users can create unlimited dynamic groups ranging from one recipient to thousands.Read 15 Oct 2026 · onecallnow.crisis24.com
Text to speech
Typed text can be converted into automated voice calls using text-to-speech.Read 15 Oct 2026 · onecallnow.crisis24.com
Trial limits
The seven-day trial requires no credit card and includes 25 credits; access ends when the trial ends unless the customer signs up for a paid account.Read 8 Oct 2026 · onecallnow.crisis24.com
Two-way messaging
Recipients can reply to text messages and authorized senders can monitor responses from the mobile app.Read 15 Oct 2026 · onecallnow.crisis24.com
Usage limit
The acceptable use policy sets an average limit of one alert per contact per day, except for emergencies or a specific use case.Read 8 Oct 2026 · onecallnow.crisis24.com

Plans and prices

Pay As You Go $5 a year annually; contract required usage-based credits · occasional or seasonal messaging Read 15 Oct 2026 · onecallnow.crisis24.com
Unlimited $5 a year annually unlimited messaging · exact price depends on group size and industry Read 15 Oct 2026 · onecallnow.crisis24.com
Custom Priced on request custom quote larger organizations · multiple departments or locations · specialized requirements Read 15 Oct 2026 · onecallnow.crisis24.com

Every One Call Now plan and price →

Strong points and limits

Strong points

  • Messages use text, phone, email, and apps
  • Unlimited dynamic contact groups
  • Scheduled sending and delivery reports
  • CSV, spreadsheet, Salesforce, and Outlook imports
  • Seven-day trial with 25 credits

Limits

  • No free plan
  • Trial access ends after seven days
  • Plans require annual contracts
  • SMS requires opt-in and opt-out controls

Who it suits

It suits organizations sending scheduled or immediate alerts to large, changing groups. The listed audiences include schools, nonprofits, faith groups, small businesses, and property managers.

Verdict

One Call Now combines multichannel announcements, contact imports, scheduling, replies, and delivery reporting. Its contract-based pricing, trial limits, and messaging-consent requirements are important before enrolling.

Where Specifiction places it

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