Instantly in one line: Cold email platform with unlimited sending accounts and warmup, a B2B lead database sold as credits, a CRM and AI agents. Still, it is not the right fit for everyone. Here are 8 alternatives, what each one costs and who each one is best for, using facts from each vendor’s own site.

Why people look for Instantly alternatives

• Lead data is sold separately as credits unless you buy a bundle
• Uploaded contact limits (1,000 on the entry plans)
• White-label requires Hypergrowth or higher
• LinkedIn outreach is not described on its pricing or home pages

None of these make Instantly a bad tool. They just mean another option may fit your budget or your way of prospecting better.

Quick comparison

1. LeadGen.tools

Reads your website, finds real companies that need what you sell (including small local businesses), finds the person who decides at each one, writes a different email for every prospect and sends it with follow-ups from your own inbox.

Pricing

• Free: $0 · A real campaign to 10 prospects with follow-ups, no card
• Personal: $24.99/month · Unlimited campaigns and follow-ups, up to 3 decision makers per company, autopilot, no LeadGen.tools signature
• Business: $59.99/month · 3 sending inboxes, 3 brands, 3 collaborators

Free option: Yes: a real campaign to 10 prospects with follow-ups, no card

Why choose it over Instantly

• Chooses your best customer segments from your website, never your competitors
• Finds small and local businesses that B2B databases often miss
• Finds the person who decides at each company, verified emails only
• A different email for every prospect, plus follow-ups that stop on any reply
• Pay per prospect contacted (follow-ups included), free plan to start

Keep in mind

• No inbox warm-up included
• Sends from Gmail or SMTP (no Microsoft 365 connection yet)
• Fewer sending inboxes per plan than volume-focused senders

Best for: Small teams, agencies and founders who want customers found and emails written for them, especially when selling to small or local businesses.

Full comparison: LeadGen.tools vs Instantly

2. GMass

A Chrome extension that turns a Gmail account into a mail merge and cold email tool, with Google Sheets merges, auto follow-ups and optional SMTP sending.

Pricing

• Standard (individual): $29.95/month (monthly billing) ($20/month billed yearly ($249/year)) · 1 user; unlimited emails (breaking Gmail limits depends on account configuration), unlimited contacts and campaigns, mail merge personalization, free email address verification, custom tracking links, Spam Solver. No sequences/follow-ups, no API, no A/B testing, no inbox rotation
• Premium (individual): $39.95/month (monthly billing) ($29/month billed yearly ($349/year)) · Everything in Standard plus sequences and follow-ups, API access (+Zapier), A/B testing, triggered emails. No inbox rotation
• Professional (individual): $59.95/month (monthly billing) ($49/month billed yearly ($599/year)) · Everything in Premium plus Inbox Rotation (MultiSend) and high-priority support
• Team (5 users): $175/month (monthly billing) ($145/month billed yearly ($1,750/year)) · All features for 5 users. Other team sizes listed: 10 users $295/month or $2,950/year; 25 users $725/month or $7,250/year; 50 users $1,350/month or $13,500/year; 100 users $2,200/month or $22,000/year

Free option: Free to try ('Try GMass for free'); the pricing page does not state trial length or limits

Why choose it over Instantly

• Unlimited emails, contacts and campaigns on every plan
• Runs inside Gmail with deep Google Sheets mail merge (dynamic lists, auto-send to new rows)
• Built-in email verification plus free deliverability tools (inbox/spam tester, SMTP tester, link checker)
• Unlimited auto follow-up stages, A/B testing and triggered emails on Premium
• Low entry price ($20/month billed yearly)

Keep in mind

• Gmail-centric: works as a Gmail Chrome extension
• Follow-up sequences and API not included in Standard; inbox rotation only on Professional and team plans
• No B2B lead database or LinkedIn outreach offered

Best for: Gmail and Google Workspace users who want mail merges and cold email campaigns with follow-ups straight from Gmail and Google Sheets.

Full comparison: GMass vs Instantly

3. Smartlead

Cold email platform with unlimited mailboxes, a warm-up pool, a master inbox with AI reply management, a dialer and white-label for agencies.

Pricing

• Base: $39/month (monthly billing) ($32.50/month billed yearly) · 2,000 contacts stored, 6,000 email sends, 2,000 verified prospect emails; no CRM, calls, private infrastructure or API
• Pro: $94/month (monthly billing) ($78.30/month billed yearly) · 30,000 contacts stored, 90,000 email sends, 30,000 verified prospect emails, CRM access; API as add-on
• Unlimited Smart: $174/month (monthly billing) ($144.50/month billed yearly) · Unlimited contacts, 150,000 email sends, 50,000 verified prospect emails, CRM, warmup pool, private OAuth
• Unlimited Prime: $379/month (monthly billing) ($314.60/month billed yearly) · Unlimited contacts, 500,000 email sends, 170,000 verified prospect emails, CRM, calls, private infrastructure, API and webhooks, dedicated manager, 3 SmartServers

Free option: Pricing page offers 50% off the first month on any plan, no credit card required; FAQ links a free trial without stating its length

Why choose it over Instantly

• Unlimited mailboxes and, from Unlimited Smart, unlimited contact storage
• Verified prospect emails included in every plan
• AI reply manager in the master inbox
• Built-in dialer on the top plan
• Low per-client white-label price for agencies

Keep in mind

• No free plan
• API is included only on the top plan (add-on below)
• LinkedIn only via third-party integrations

Best for: Agencies and high-volume senders who want unlimited mailboxes, AI reply triage and cheap white-label client access.

Full comparison: Instantly vs Smartlead

4. Mailmeteor

A simple mail merge and email outreach tool for Gmail, Outlook, Google Sheets, Docs and Excel, with a free plan and low per-user pricing.

Pricing

• Free: $0 · 500 emails/month, 50/day, 5,000 contacts, 3 campaigns, 1 sender, templates, tracking, scheduling, attachments
• Starter: $5.99/user/month (monthly billing) ($4.50/user/month billed yearly ($53.99/year)) · 5,000 emails/month, 250/day, 50,000 contacts, unlimited campaigns, 1 sender, Autopilot, email verification, reply detection, Zapier, branding removed
• Premium: $17.99/user/month (monthly billing) ($13.50/user/month billed yearly ($161.99/year)) · 30,000 emails/month, 1,000/day, 500,000 contacts, 5 senders, 5 follow-ups, 5 Sheet automations, AI email assistant, email warmup (1), custom tracking domain
• Professional: $35.99/user/month (monthly billing) ($27/user/month billed yearly ($323.99/year)) · 60,000 emails/month, 2,000/day, 1,000,000 contacts, 10 senders, 10 follow-ups, inbox rotation, CRM integration, team analytics, dedicated onboarding, priority support

Free option: Free forever: 500 emails/month, 50 emails/day, 3 campaigns, no credit card required

Why choose it over Instantly

• Generous free plan (500 emails/month)
• Very low paid prices from $4.50/user/month billed yearly
• Works from Gmail, Outlook, Google Sheets, Docs and Excel
• Email verification, warmup and AI inbox assistant included in mid plans

Keep in mind

• Follow-ups only from Premium; Starter has none
• Daily caps per plan (50 to 2,000 emails/day)
• No LinkedIn, calls or B2B lead database offered

Best for: Individuals and small teams who want an easy, cheap mail merge from Gmail, Outlook or spreadsheets.

5. Woodpecker

Cold email platform priced by contacted prospects, with built-in lead finder, warm-up, inbox rotation and optional LinkedIn steps.

Pricing

• Usage-based (Contacted Prospects): $7 per 100 contacted prospects per month (monthly billing); volume discounts at higher volumes (33% less when paying yearly (exact per-month figure depends on volume)) · Unlimited emails, unlimited email verification (catch-all included), 4 free warm-ups, 100 Lead Finder credits, unlimited team members, unlimited email accounts

Free option: 14-day trial with all features, no credit card required

Why choose it over Instantly

• Pay for contacted prospects, with unlimited emails, team members and email accounts
• Unlimited email verification included
• Condition-based campaigns that branch on prospect behavior
• Adaptive sending that detects provider limits to avoid blocks
• 14-day trial with all features and no card

Keep in mind

• LinkedIn, API/integrations and agency panel are paid add-ons
• No free plan
• AI reply detection is described for English replies only

Best for: Teams that want predictable per-prospect pricing and strong deliverability controls, adding LinkedIn or agency tools only if needed.

Full comparison: Woodpecker vs Instantly

6. Mailshake

Cold email and sales engagement tool with sequences, an AI email writer, a phone dialer and an optional contact Data Finder.

Pricing

• Starter: $29/month (monthly billing) ($25/month billed yearly) · 1 email address, 1,500 email sends/month, unlimited uploaded contacts, 50 Data Finder credits, unlimited warm-up and campaigns, unlimited email verification, AI email writing
• Email Outreach: $49/month (monthly billing) ($45/month billed yearly) · 2 email addresses, unlimited sends, 50 Data Finder credits, email rotation, unified inbox, Salesforce/Pipedrive/HubSpot integrations, Zapier
• Sales Engagement: $99/month (monthly billing) ($85/month billed yearly) · 10 email addresses, unlimited sends, 2,500 Data Finder credits, 5 phone numbers, unlimited dialer minutes in North America, power dialer, 1-on-1 onboarding
• Agency: Contact sales · All of Sales Engagement plus unlimited email addresses

Free option: No free trial; payment is collected up front (with onboarding and deliverability support)

Why choose it over Instantly

• Low entry price ($25/month billed yearly)
• Unlimited warm-up and email verification included
• AI email writer included
• Built-in phone dialer on the Sales Engagement plan

Keep in mind

• No free plan and no free trial (payment up front)
• Starter is limited to 1 email address and 1,500 sends/month
• Priced per user

Best for: Small teams that want a simple, low-cost cold email tool with an optional dialer.

7. QuickMail

Cold email and LinkedIn outreach platform focused on deliverability (inbox rotation, warm-up) with unlimited senders and users, aimed largely at lead generation agencies.

Pricing

• Starter: $49/month (monthly billing) · 5,000 emails sent/month, 1,000 uploaded contacts, unlimited email senders, unlimited LinkedIn accounts, unlimited users, 1 workspace, free AutoWarmer with MailFlow, Zapier
• Growth: $99/month (monthly billing) · 100,000 emails sent/month, 25,000 uploaded contacts, unlimited senders, LinkedIn accounts and users, 1 workspace, AutoWarmer, Zapier and API, priority support
• Agency: $299/month (monthly billing) · 500,000 emails sent/month, 100,000 uploaded contacts, unlimited senders, LinkedIn accounts and users, 2 workspaces (+$49 per extra), AutoWarmer, Zapier, API and webhooks, priority support

Free option: 14-day free trial on all plans; card required at signup but no automatic charge when the trial ends

Why choose it over Instantly

• No per-seat pricing: unlimited users, email senders and LinkedIn accounts on every plan
• Deliverability tooling included (inbox rotation, warm-up, blacklist monitoring)
• Agency dashboard and workspaces for client management
• Trial does not auto-convert to a paid plan

Keep in mind

• No free plan
• No built-in B2B lead database stated
• Starter caps uploaded contacts at 1,000 and emails at 5,000/month

Best for: Lead generation agencies and teams sending high email volumes across many inboxes who already have their own lead lists.

Full comparison: QuickMail vs Instantly

8. lemlist

Sales engagement platform that finds leads in its own database and runs email, LinkedIn, call, SMS and WhatsApp sequences from one campaign.

Pricing

• Email: $69/month (monthly billing) ($55/month billed yearly (quarterly billing: $60/month)) · Unlimited users and email senders, 50,000 emails/month at the listed price (volume is selectable), email and phone finder, 650M+ lead database, lemAgent AI agents, MCP and CLI, email warm-up and Deliverability Hub, CRM integrations and API
• Multichannel: $109/month per user (monthly billing) ($87/month per user billed yearly (quarterly billing: $95/month)) · Everything in Email plus 5 senders per user, unlimited emails and messages, LinkedIn automation, SMS automation, WhatsApp automation add-on, built-in call dialer and VoIP integrations, use lemlist from Gmail and LinkedIn
• Enterprise: Custom (talk to sales) · Everything in Multichannel plus 5 or more senders per user, use lemlist from your CRM, custom roles and permissions, dedicated account manager, custom terms, SSO/SAML, priority support
• Lead data enrichment (add-on): $20/month ($16/month billed yearly) · 2,000 credits/month (400 emails or 100 phones), pay per success, unused credits roll over while subscribed

Free option: 14-day free trial, no credit card required; includes Multichannel plan features except in-app calls, plus 200 free credits

Why choose it over Instantly

• Lead database (650M+) and email/phone finder inside the same tool as sequencing
• Email, LinkedIn, calls, SMS and WhatsApp in one campaign on the Multichannel plan
• Email plan includes unlimited users and email senders
• Warm-up and deliverability tools included in all plans
• 14-day trial without a credit card

Keep in mind

• No free plan
• Contact data (emails, phones) and intent signals are paid via credit add-ons
• LinkedIn, calls and SMS require the per-user Multichannel plan; WhatsApp is an extra add-on

Best for: Sales teams that want lead data, email and LinkedIn/phone outreach in one subscription and are fine paying per user for multichannel.

Full comparison: Instantly vs lemlist

Facts from each vendor’s own pricing and product pages, last checked October 1, 2026: Instantly, LeadGen.tools, GMass, Smartlead, Mailmeteor, Woodpecker, Mailshake, QuickMail, lemlist. Prices change often, so check before you buy.

FAQ

What is the best alternative to Instantly?

It depends on what you need. If you want the tool to find your customers and write the emails for you, LeadGen.tools. If you need the closest like-for-like replacement, look at GMass, Smartlead, Mailmeteor.

Is there a free alternative to Instantly?

Yes: LeadGen.tools, Mailmeteor offer a free plan.

Which Instantly alternative is cheapest?

By listed starting price, LeadGen.tools (Free plan, then from $24.99/month). Compare what each plan includes, since limits differ a lot.