StackShareStackShare
Follow on
StackShare

Discover and share technology stacks from companies around the world.

Follow on

© 2025 StackShare. All rights reserved.

Product

  • Stacks
  • Tools
  • Feed

Company

  • About
  • Contact

Legal

  • Privacy Policy
  • Terms of Service
  1. Stackups
  2. Utilities
  3. Authentication
  4. User Management And Authentication
  5. Copper vs Nutshell

Copper vs Nutshell

OverviewComparisonAlternatives

Overview

Copper
Copper
Stacks2
Followers27
Votes1
Nutshell
Nutshell
Stacks7
Followers9
Votes0

Share your Stack

Help developers discover the tools you use. Get visibility for your team's tech choices and contribute to the community's knowledge.

View Docs
CLI (Node.js)
or
Manual

Detailed Comparison

Copper
Copper
Nutshell
Nutshell

People sign up with their number. You get verified info. Copper is a service for developers who want a seamless, always-improving signup and signin flow in their websites and iOS apps. We remove friction so more people become and remain users, while makers ship faster and maintain less code.

It is a complete CRM and sales automation solution, designed to help sales teams of all sizes optimize their efforts and focus more of their time on building relationships.

-
Automate your sales process; Reduces time-wasting tasks ; Accurately measure the impact of your efforts
Statistics
Stacks
2
Stacks
7
Followers
27
Followers
9
Votes
1
Votes
0
Pros & Cons
Pros
  • 1
    Great idea but shutdown: https://twitter.com/withcopper
No community feedback yet
Integrations
No integrations available
Mailchimp
Mailchimp
G Suite
G Suite
Slack
Slack
RingCentral
RingCentral
Gmail
Gmail
Microsoft 365
Microsoft 365
Unbounce
Unbounce

What are some alternatives to Copper, Nutshell?

Auth0

Auth0

A set of unified APIs and tools that instantly enables Single Sign On and user management to all your applications.

Stormpath

Stormpath

Stormpath is an authentication and user management service that helps development teams quickly and securely build web and mobile applications and services.

Keycloak

Keycloak

It is an Open Source Identity and Access Management For Modern Applications and Services. It adds authentication to applications and secure services with minimum fuss. No need to deal with storing users or authenticating users. It's all available out of the box.

Salesforce Sales Cloud

Salesforce Sales Cloud

The Sales Cloud puts everything you need at your fingertips—available anywhere. From Social accounts and contacts to Mobile, Chatter, and Analytics, collaboration across your global organization and getting deals done faster is not only possible, it's easy.

Devise

Devise

Devise is a flexible authentication solution for Rails based on Warden

Firebase Authentication

Firebase Authentication

It provides backend services, easy-to-use SDKs, and ready-made UI libraries to authenticate users to your app. It supports authentication using passwords, phone numbers, popular federated identity providers like Google,

Amazon Cognito

Amazon Cognito

You can create unique identities for your users through a number of public login providers (Amazon, Facebook, and Google) and also support unauthenticated guests. You can save app data locally on users’ devices allowing your applications to work even when the devices are offline.

Pipedrive

Pipedrive

Pipeline tool for active dealmakers. Get super-organized. Close deals in less time. Built by active salespeople and serious web app developers.

WorkOS

WorkOS

Start selling to enterprise customers with just a few lines of code.

Streak

Streak

Streak lets you keep track of all your deals right from your inbox. We let you group emails from the same customer together into one view and push that customer through your pipeline.

Related Comparisons

Postman
Swagger UI

Postman vs Swagger UI

Mapbox
Google Maps

Google Maps vs Mapbox

Mapbox
Leaflet

Leaflet vs Mapbox vs OpenLayers

Twilio SendGrid
Mailgun

Mailgun vs Mandrill vs SendGrid

Runscope
Postman

Paw vs Postman vs Runscope