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Description

Intervals allows you to see exactly where your energy and time are going. For small businesses and teams with unique needs. Intervals is used worldwide by web developers, marketers and system administrators. It also allows businesses to easily track their time and control their workflow. Ideal for showing clients how long their work takes. Administrators can create clients and projects using the robust platform. They can also set budget limits and alerts and present clients with detailed and accurate reports. The platform offers robust reporting. The platform allows users to track individual billable hours, collaborate with others on tasks, and submit changes to maintain a detailed view of project progress. It includes a work request queue to handle customer requests/tickets, invoicing and document management. Email integration is possible. Integrates with Google Drive, FreshBooks and Xero.

Description

Stacks is an all-in-one hosted CRM and business workspace that consolidates various functionalities such as customer records, sales pipelines, follow-up tasks, email marketing campaigns, review requests, invoicing, appointment scheduling, support ticket management, and time tracking into a single platform. By providing shared customer records and activity histories, it empowers solo entrepreneurs, freelancers, and small teams to effectively handle leads, sales, billing, bookings, and customer support collaboratively. Users have the ability to manage contacts and deals, design marketing emails, solicit feedback, create estimates and invoices, display their availability, oversee support tickets, and monitor tasks along with billable hours. The core plan offers all seven modules at no cost, accommodating unlimited users and contacts, while the free version includes 50 one-time AI credits, with additional paid plans available for extended AI usage. Additionally, businesses can easily link their own Stripe accounts for payment processing and connect with various supported email providers for seamless delivery. Furthermore, a REST API and MCP endpoint provide scoped access, enabling smooth software integrations for enhanced functionality. This comprehensive approach ensures that users have all the necessary tools to streamline their operations and improve customer relationships.

API Access

Has API No 

API Access

Has API Yes 

Screenshots View All

Screenshots View All

Integrations

Basecamp Yes 
Bold BI Yes 
Brevo No 
FreshBooks Yes 
Google Drive Yes 
Model Context Protocol (MCP) No 
QuickBooks Online Yes 
Quickwork Yes 
Resend No 
SendGrid No 
Slack Yes 
Stripe No 
Style Intelligence Yes 
Xero Yes 

Integrations

Basecamp No 
Bold BI No 
Brevo Yes 
FreshBooks No 
Google Drive No 
Model Context Protocol (MCP) Yes 
QuickBooks Online No 
Quickwork No 
Resend Yes 
SendGrid Yes 
Slack No 
Stripe Yes 
Style Intelligence No 
Xero No 

Pricing Details

$49.00/month (unlimited users)
No long term contract. All plans include unlimited users (Except Lite). Pricing based on active project & document storage needs.
Free Trial Yes 
Free Version No 

Pricing Details

$0/month
The Free plan costs $0 per month and includes all seven modules, unlimited users and contacts, and 50 one-time AI credits.
Free Trial No 
Free Version Yes 

Deployment

Web-Based Yes 
On-Premises No 
iPhone App Yes 
iPad App Yes 
Android App Yes 
Windows Yes 
Mac Yes 
Linux Yes 
Chromebook No 

Deployment

Web-Based Yes 
On-Premises No 
iPhone App No 
iPad App No 
Android App No 
Windows No 
Mac No 
Linux No 
Chromebook No 

Customer Support

Business Hours Yes 
Live Rep (24/7) Yes 
Online Support Yes 

Customer Support

Business Hours No 
Live Rep (24/7) No 
Online Support Yes 

Types of Training

Training Docs Yes 
Webinars Yes 
Live Training (Online) Yes 
In Person No 

Types of Training

Training Docs Yes 
Webinars No 
Live Training (Online) No 
In Person No 

Vendor Details

Company Name

Pelago

Founded

2000

Country

United States

Website

www.myintervals.com

Vendor Details

Company Name

Vantage Technologies, LLC

Founded

2026

Website

stackscrm.com

Product Features

Project Management

Agile Methodologies Yes 
Budget Management Yes 
Client Portal Yes 
Collaboration Tools Yes 
Cost-to-Completion Tracking Yes 
Customizable Templates Yes 
Gantt Charts Yes 
Idea Management Yes 
Kanban Board Yes 
Milestone Tracking Yes 
Portfolio Management Yes 
Resource Management Yes 
Time & Expense Tracking Yes 
Traditional Methodologies Yes 

Task Management

Collaboration Yes 
Create Subtasks Yes 
Gamification Yes 
Gantt Charts Yes 
Mobile Access Yes 
Percent-Complete Tracking Yes 
Progress Tracking Yes 
Recurring Tasks Yes 
Reporting/Analytics Yes 
Spreadsheet View Yes 
Task Board View Yes 
Task Planning Yes 
Task Scheduling Yes 
Task Tracking Yes 
Time Tracking Yes 
To-Do List View Yes 

Team Communication

Activity / News Feed Yes 
Audio Calls No 
Calendar Management Yes 
Chat / Messaging No 
Discussion Threads No 
File Sharing Yes 
Mobile Access Yes 
Push Notifications No 
Search Yes 
Surveys & Feedback No 
Task Management Yes 
Video Conferencing No 

Time and Expense

Activity Tracking Yes 
Billable Hours Tracking Yes 
Billing Rate Management Yes 
Expense Tracking Yes 
Invoice Processing Yes 
Multiple Billing Rates Yes 
Project Tracking Yes 
Reimbursement Management No 
Time Tracking by Client Yes 
Time Tracking by Project Yes 

Time Tracking

Automatic Time Capture Yes 
Billable & Non-Billable Hours Yes 
Billing & Invoicing Yes 
Employee Database Yes 
Expense Tracking Yes 
Mobile Time Tracking Yes 
Multiple Billing Rates Yes 
Offline Time Tracking No 
Online Time Tracking Yes 
Overtime Calculation No 
Time per Project Reporting Yes 
Timesheet Management Yes 
Vacation / Leave Tracking Yes 

Product Features

CRM

Calendar/Reminder System No 
Call Logging No 
Document Storage No 
Email Marketing No 
Internal Chat Integration No 
Lead Scoring No 
Marketing Automation Integration No 
Mobile Access No 
Quotes / Proposals No 
Segmentation No 
Social Media Integration No 
Task Management No 
Territory Management No 

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