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Warmerly VS CloudSponge

Compare Warmerly VS CloudSponge and see what are their differences

Warmerly

Flat-rate email warmup from $19/month: 5 mailboxes on Starter, 25 on Growth, no per-inbox fees. Builds real sender reputation for Gmail and Outlook so cold outreach lands in the inbox, not spam.

Rating
0 reviews
Pricing
Freemium Free trial $19 / Monthly
Alternatives Is it good?
CloudSponge

Companies from every industry use CloudSponge’s Contact Picker to get access to their users’ address books.

Rating
0 reviews
Pricing
Paid Free trial $50 / Monthly (Basic unlimited plan starts at $50 with a 14-day trial.)
Alternatives Is it good?
SpinUp
Business email without the bloat. sponsored

Which is more popular?

Sales Automation popularity
14% vs 86%
alternatives listed
5 vs 13

Base details

Website, pricing, platforms and company facts side by side.

Warmerly
CloudSponge
Website warmerly.com cloudsponge.com
Pricing
Freemium Free trial $19 / Monthly Official pricing
Paid Free trial $50 / Monthly (Basic unlimited plan starts at $50 with a 14-day trial.) Official pricing
Platforms —
Browser Mac OSX Linux REST API JavaScript Wordpress Java Magento Shopify Python .Net Ruby Gather Conjured Referrals We Love Customers +12
Company Startup from the United Kingdom · 1 - 9 employees · 2026 2010
Listed in
Email Marketing Sales Automation Email Marketing Platforms Email Email Deliverability Email Warm Up +3
Referral Software Address Book Widget Bulk Contact Importer Contact Importer Address Book Importer Referrals Contact Picker eCommerce Software eCommerce Marketing +6

About Warmerly and CloudSponge

In their own words, as submitted to SaaSHub.

Warmerly
CloudSponge

Warmerly is an email warmup and deliverability platform for teams running cold outreach. It builds sender reputation on Gmail, Outlook and custom mailboxes by running continuous human-like warmup — threaded conversations with quoted replies, natural send delays, opens, stars and labels — against...

Read more about Warmerly

CloudSponge is a Contact Picker for all major address books. It allows your users to share their address books without ever needing to remember, type, or upload emails manually. CloudSponge has been around since 2009 perfecting a product that will help companies get the most out of their existing...

Read more about CloudSponge

Features and specs

What each product offers, as listed by its team.

Warmerly 3 features
CloudSponge 6 features
  • Agency Workspaces
    Manage separate outreach campaigns for each client from a single account, without mixing contacts or messaging across clients.
  • Multi-Channel Outreach
    Run coordinated outreach campaigns across email and LinkedIn from one platform.
  • Client Campaign Separation
    Keep each client's contacts, campaigns, and messaging cleanly isolated within their own workspace.
  • Unlimited address books
  • Universal Contact Picker
  • Custom Stylesheet and Fonts
  • Custom Languages and Labels
  • Your Brand White-Labeled
  • RESTful Contacts API

Analysis

An editorial look at what each product does well and who it suits.

Warmerly
CloudSponge

Overall verdict

  • I don't have verified, up-to-date information about Warmerly (warmerly.com) to make a reliable assessment of its quality. This appears to be a lesser-known or newer product/service that isn't well-documented in my training data, so I can't confirm its features, reputation, pricing, or user satisfaction with confidence.

Why this product is good

  • Insufficient verified data available to assess the product's actual features and performance
  • No access to current user reviews, ratings, or reputation signals for this specific service
  • Unable to confirm business legitimacy, pricing structure, or customer support quality
  • Risk of providing inaccurate information if I speculate about an unfamiliar product

Recommended for

  • Before using this service, verify directly by checking the actual website, reading recent user reviews on independent platforms (Trustpilot, G2, Reddit), and researching the company's business registration and track record
  • Consider reaching out to existing users or communities in the relevant industry for firsthand feedback

No analysis of CloudSponge yet.

Videos

Walkthroughs and reviews on video.

Warmerly 0 videos + Add
CloudSponge 2 videos + Add

No Warmerly videos yet. You could help us improve this page by suggesting one.

What is CloudSponge?

More videos

  • - CloudSponge Explainer

Category popularity

How often each product is chosen within a category, 0–100% relative to the other.

Score bands 0–20 21–40 41–50 51–60 61–100
Warmerly
CloudSponge
14% 14%
Sales Automation
86% 86%
0% 0%
Sales
100% 100%
100% 100%
Email Marketing
0% 0%

Questions & Answers

As answered by people managing Warmerly and CloudSponge.

What makes your product unique?

Warmerly's answer

Built around agency workspaces, not a single sender identity Manages multiple client campaigns from one account without mixing contacts or messaging Multi-channel outreach across email and LinkedIn (via Unipile) in one workflow Built by an agency founder actively running outreach for real clients through Warmerly itself, not designed in the abstract

Why should a person choose your product over its competitors?

Warmerly's answer

Most outreach tools, including Instantly.ai and Warmly, are built for one person running their own outreach from one inbox. Agencies managing several client accounts get forced into workarounds: separate logins per client, or juggling multiple tools to keep campaigns from bleeding into each other. Warmerly is built specifically around that agency use case, with client workspaces as the default structure rather than something bolted on later.

How would you describe the primary audience of your product?

Warmerly's answer

Small agencies running outreach campaigns on behalf of multiple clients, particularly agencies doing lead generation or business development work where they need to manage separate campaigns, contacts, and messaging for each client from one place.

What's the story behind your product?

Warmerly's answer

Warmerly started as an email warmup and deliverability tool, competing directly with Instantly.ai. While running it alongside Octelis, a Birmingham based digital marketing agency, the founder kept hitting the same problem from the inside: agencies running outreach for multiple clients need a way to separate campaigns cleanly, and existing tools weren't built for that. That reshaped Warmerly into a multi-channel outreach platform built around agency workspaces instead of a single sender.

User comments

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Alternatives to Warmerly and CloudSponge

When comparing Warmerly and CloudSponge, you can also consider the following products.

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