Inboxy vs NuReply: Email Warmup Tool vs Cold Email Platform Comparison
Compare Inboxy (email warmup tool) and NuReply (cold email platform) side by side. See pricing, features, and integrations to decide which one, or both, your stack needs.
Inboxy is an email warmup tool that improves domain reputation and inbox placement, while NuReply is a cold email platform for running AI-personalized outbound campaigns. NuReply starts at $25/mo versus Inboxy's $47/mo. Choose Inboxy for deliverability and sender reputation, NuReply for sending and scaling campaigns, or run both together.
Key takeaways
- Inboxy's entry plan, Inboxy Pro, costs $47/mo and includes Gmail and Office 365 inboxes with 120 daily emails per inbox.
- NuReply's Starter plan costs $25/mo and includes 10,000 contacts, 500 AI credits, 30,000 monthly emails, and 50 email accounts.
- NuReply offers 6 pricing tiers ranging from $25/mo to $400/mo, while Inboxy offers only 1 published plan.
- Inboxy lists 9 integrations including Personal Gmail, Google Workspace, Mailgun, GoDaddy, and Custom SMTP, compared to NuReply's 5 integrations of Gmail, Outlook, HubSpot, Zapier, and SMTP.
- NuReply is operated by DuoCircle LLC and meters plans by email accounts, AI credits, stored contacts, and monthly email volume.
Reviewed and updated September 4, 2026
Inboxy vs NuReply: Email Warmup Tool vs Cold Email Platform Comparison
Sales teams building an outbound stack often weigh Inboxy, an email warmup tool for email domain warming and deliverability, against NuReply, a cold email platform for cold email outreach. They cover different parts of the workflow, so this comparison covers what each one does, what each one costs, and where they overlap.
The Quick Answer
Inboxy is an email warmup tool for email domain warming and deliverability; NuReply is a cold email platform for cold email outreach. By each vendor's own wording, Inboxy lists primary inbox supercharger and domain score iq monitoring, and NuReply lists unlimited warm-up and unlimited sequences.
NuReply offers a lower entry point at $25/mo compared to Inboxy at $47/mo.
If your priority is building sender reputation and improving inbox placement, Inboxy is the one built for it; for sending campaigns that land in the inbox and generate replies, that is NuReply. Many teams run one of each.
Understanding the Core Difference
Inboxy is Email warmup tool that improves deliverability by gradually increasing sending volume and boosting domain reputation. It runs warmup through a private network of headless browsers with AI-driven adjustments to sending metrics.
NuReply is AI cold email outreach platform that personalizes each email with AI, warms up sender reputation and runs multi-step campaigns across many connected sending accounts. Plans are metered by email accounts, AI credits, stored contacts and monthly email volume. Operated by DuoCircle LLC.
The two platforms take different approaches to solving the same core challenge.
Pricing Comparison
Inboxy Pro
Starter
Inboxy Pricing (as of September 2026)
| Plan | Price | Contacts | Emails |
|---|---|---|---|
| Inboxy Pro | $47/mo | Gmail and Office 365 Inboxes | 120 Daily Emails Per Inbox |
Source: Inboxy Pricing
NuReply Pricing (as of September 2026)
| Plan | Price | Contacts | Emails |
|---|---|---|---|
| Starter | $25/mo | 10,000 contacts; 500 AI credits | 30,000 monthly emails; 50 email accounts |
| Launch | $50/mo | 25,000 contacts; 1,200 AI credits | 80,000 monthly emails; 100 email accounts |
| Growth | $100/mo | 50,000 contacts; 3,000 AI credits | 160,000 monthly emails; 250 email accounts |
| Scale | $200/mo | 100,000 contacts; 5,000 AI credits | 350,000 monthly emails; 500 email accounts |
| Pro | $300/mo | 175,000 contacts; 7,000 AI credits | 700,000 monthly emails; 800 email accounts |
| Enterprise | $400/mo | 250,000 contacts; 9,000 AI credits | 1,000,000 monthly emails; 1,500 email accounts |
Source: NuReply Pricing
Pricing Analysis
NuReply offers the lower entry point ($25/mo vs $47/mo). Teams watching their budget will appreciate the savings, especially when starting out.
NuReply offers 6 pricing tiers compared to Inboxy's 1, giving you more granularity as you scale.
Features Breakdown
- Primary Inbox Supercharger
- Domain Score IQ Monitoring
- AI Powered Inbox Adjustments
- Dynamic Email Scheduling
- Live Inbox Engagement Feed
- AI Generated Emails (GPT-3)
- and 3 more listed below
- Unlimited Warm-up
- Unlimited Sequences
- Cold Email Writer
- Sentiment Analysis
- Multi-Variant Testing
- ESP Routing
- and 2 more listed below
Inboxy Key Features
- Primary Inbox Supercharger
- Domain Score IQ Monitoring
- AI Powered Inbox Adjustments
- Dynamic Email Scheduling
- Live Inbox Engagement Feed
- AI Generated Emails (GPT-3)
- IP Warm Up Service
- SMTP Warm Up Service
- Inbox Placement Test
NuReply Key Features
- Unlimited Warm-up
- Unlimited Sequences
- Cold Email Writer
- Sentiment Analysis
- Multi-Variant Testing
- ESP Routing
- API Access
- Email Warmer
The two lists below are a diff of each vendor's own feature list by exact wording, so a capability both tools offer can appear on either side under a different name.
Listed only by Inboxy
- Primary Inbox Supercharger
- Domain Score IQ Monitoring
- AI Powered Inbox Adjustments
- Dynamic Email Scheduling
- Live Inbox Engagement Feed
- AI Generated Emails (GPT-3)
- IP Warm Up Service
- SMTP Warm Up Service
- Inbox Placement Test
Listed only by NuReply
- Unlimited Warm-up
- Unlimited Sequences
- Cold Email Writer
- Sentiment Analysis
- Multi-Variant Testing
- ESP Routing
- API Access
- Email Warmer
Integration Ecosystem
Inboxy Integrations
Inboxy connects with: Personal Gmail, Google Workspace, Outlook/Office (SMTP), Outlook/Office (Oauth), Mailgun, GoDaddy, Inboxroad, Sendgrid, Custom SMTP.
NuReply Integrations
NuReply connects with: Gmail, Outlook, HubSpot, Zapier, SMTP.
Integrations listed only by Inboxy: Personal Gmail, Google Workspace, Outlook/Office (SMTP), Outlook/Office (Oauth), Mailgun, GoDaddy, Inboxroad, Sendgrid, Custom SMTP.
Integrations listed only by NuReply: Gmail, Outlook, HubSpot, Zapier, SMTP.
Use Case Recommendations
Best Fit for Inboxy
- Budget-conscious teams looking for an affordable email warmup tool
- Teams that need a wide feature set (9 capabilities listed)
- Organizations with complex tech stacks needing broad integration support (9 integrations)
Best Fit for NuReply
- Budget-conscious teams looking for an affordable cold email platform
- Sales teams running high-volume outbound email campaigns
- Agencies managing multiple client outreach programs
- SDR teams focused on pipeline generation
Feature Comparison Summary
| Feature | Inboxy | NuReply |
|---|---|---|
| Starting Price | $47/mo | $25/mo |
| Top Tier Price | $47/mo | $400/mo |
| Total Features Listed | 9 | 8 |
| Integrations | 9 | 5 |
Getting Started Checklist
- Define your email domain warming and deliverability and cold email outreach requirements and monthly budget
- Estimate your expected warmup email volume and email sending volume to find the right tier
- List the integrations your team currently relies on
- Sign up for free trials or demos of both platforms
- Run a small test with each tool before making a commitment
- Evaluate the onboarding experience and support quality
Final Thoughts
Inboxy serves the email domain warming and deliverability side of an outbound stack and NuReply the cold email outreach side. NuReply offers a more accessible entry point at $25/mo, while Inboxy starts at $47/mo. Your decision should weigh pricing against the specific features that matter most for your workflow.
Start with a trial of each to see which platform fits your team's daily process. The best tool is the one your team actually uses consistently.
Pricing and features verified as of September 2026. Visit Inboxy and NuReply for current information.
Frequently asked questions.
Frequently asked questions- What is the main difference between Inboxy and NuReply?
- Inboxy is an email warmup tool focused on domain warming and deliverability, using a private network of headless browsers with AI-driven adjustments to sending metrics. NuReply is an AI cold email platform that personalizes emails, warms up sender reputation, and runs multi-step campaigns across many connected sending accounts.
- Which tool is cheaper, Inboxy or NuReply?
- NuReply has the lower entry price at $25/mo for its Starter plan, compared to Inboxy's single published plan, Inboxy Pro, at $47/mo. NuReply also offers 6 pricing tiers up to $400/mo, giving more granularity as usage scales, while Inboxy offers just one plan.
- Can I use Inboxy and NuReply together?
- Yes, many teams run one of each since they cover different parts of the outbound workflow. Inboxy focuses on building sender reputation and inbox placement, while NuReply focuses on sending campaigns and generating replies, so pairing them covers both deliverability and outreach.
- What integrations does each platform support?
- Inboxy connects with Personal Gmail, Google Workspace, Outlook/Office via SMTP or OAuth, Mailgun, GoDaddy, Inboxroad, Sendgrid, and Custom SMTP, totaling 9 integrations. NuReply connects with Gmail, Outlook, HubSpot, Zapier, and SMTP, totaling 5 integrations.
- Who operates NuReply?
- NuReply is operated by DuoCircle LLC. Its plans are metered by email accounts, AI credits, stored contacts, and monthly email volume, with pricing tiers ranging from $25/mo to $400/mo depending on those usage limits.
About the author.
Tim Carden is CMO / CTO at RevenueFlow, which builds and operates outbound revenue engines for B2B companies. Studied at McGill University.
Tim Carden · CMO / CTO
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