How do Robly Email Marketing and 21X (formerly Structurely) compare in monthly traffic?

Robly Email Marketing has 740,230 monthly visits, while 21X (formerly Structurely) has 13,453. Traffic estimates describe audience size, not product quality.

How do their growth rates compare?

Robly Email Marketing has a month-over-month growth rate of +29.7%; 21X (formerly Structurely) has +367.9%.

How does pricing compare?

Robly Email Marketing: Free Trial, Paid. 14-day free trial, then contact-tiered subscriptions billed monthly or annually. Entry tier is about $19/month (or $15/month annual) for up to 500 contacts, rising through tiers for 501-2.5k, 2.5k-5k and larger lists. SMS is an optional paid add-on to an active email plan. Custom templates from $99. 21X (formerly Structurely): Contact for Pricing. Platform fee plus usage-based pricing. No seat licences; you pay for the platform and for activity metered in tokens. Voice from about $0.07 per minute (BYOC), SMS from about $0.02 per message, AI email from about $0.02 per email, with volume discounts on higher tiers. Three plans — Small Team, Large Team and Enterprise / Build Your Own — are quoted via sales; a demo AI call is offered before you commit.

What are alternatives to Robly Email Marketing and 21X (formerly Structurely)?

Other tools in related categories include Mailchimp, Klaviyo, Brevo, MailerLite AI Drag & Drop Editor, GetResponse.

Open AI Tools

Robly Email Marketing vs 21X (formerly Structurely) — Traffic (740.23K vs 13.45K), Pricing & Verdict | Open AI Tools

Head-to-Head Benchmark

Robly Email Marketing vs 21X (formerly Structurely)

Robly Email Marketing records 740,230 monthly visits with +29.7% month-over-month growth and Free Trial, Paid pricing. 21X (formerly Structurely) records 13,453 monthly visits with +367.9% growth and Contact for Pricing pricing.

Robly Email MarketingFree Trial, PaidTraffic Leader

Email marketing with AI send-time optimization to lift opens

Monthly Visits

740.23K

MoM Velocity

+29.7%

Top Market

🇺🇸 United States

View Robly Email Marketing Analysis robly.com

21X (formerly Structurely)Contact for Pricing

AI agents that answer, qualify, book and follow up across every channel

Monthly Visits

13.45K

MoM Velocity

+367.9%

Top Market

🇺🇸 United States

View 21X (formerly Structurely) Analysis structurely.com

Side-by-Side Traffic & Specification Matrix

Dimension / Metric	Robly Email Marketing	21X (formerly Structurely)
Official Domain	robly.com	structurely.com
Pricing Model	Free Trial, Paid	Contact for Pricing
Monthly Visits	740.23K (740,230)	13.45K (13,453)

MoM Traffic Delta	+169.64K (+29.7%)	+10.58K (+367.9%)

Primary Market & Share	🇺🇸 United States (97.2%)	🇺🇸 United States (70.7%)

Direct Visits / mo	254.87K	5.95K

User Rating	4.2	4.3

Supported Platforms	Website	Website

Robly Email Marketing

Email marketing with AI send-time optimization to lift opens

Robly OpenGen

Automatically resends an email to subscribers who did not open the first version, giving each campaign a second chance to land in the inbox.

Robly AI send timing

Analyzes subscriber behavior to deliver each campaign at the moment an individual contact is most likely to open it.

List growth and popups

Exit-intent popups, timed widgets, embedded forms, Facebook sign-up tabs and landing pages designed to convert visitors into subscribers.

Automations and autoresponders

Multi-step email journeys and drip campaigns triggered by subscriber behavior, so follow-ups go out at the right moment without manual work.

Strengths & Pros

+OpenGen resends and AI send-time optimization directly target open rates
+Straightforward, contact-tiered pricing that undercuts many big-name competitors
+Strong list-growth toolkit with exit-intent popups, forms and landing pages
+Responsive US-based phone, chat and email support highlighted by long-term users

Limitations

–SMS requires an active email subscription and cannot be bought standalone
–Feature depth in automation and analytics trails some enterprise-grade rivals
–Custom template design is a separate paid service rather than included

21X (formerly Structurely)

AI agents that answer, qualify, book and follow up across every channel

Inbound and outbound AI voice

AI agents handle inbound calls and run proactive outbound campaigns across voice, SMS, email and chat, 24/7, without adding headcount.

Multi-channel conversation routing

Agents qualify, answer, transfer, schedule, escalate and route each conversation based on intent, context and your business rules.

Action taking, not just talking

Book appointments, schedule callbacks, execute live transfers to human reps, trigger workflows and capture documents and signatures automatically.

Automatic dispositions and CRM sync

Conversations are dispositioned automatically, CRM records are updated, and customer data syncs back into your existing tools and workflows.

Strengths & Pros

+Handles voice, SMS, RCS, email and chat in one platform rather than separate point tools
+Automatic dispositions and CRM sync keep AI conversations inside existing reporting
+No per-seat licensing; cost tracks actual conversation volume
+Prebuilt industry agents for mortgage, real estate, insurance, home services and more