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SuperSend vs Sendbox in 2026: LinkedIn Add-on or Dedicated-IP Infrastructure
SuperSend enters at $99/mo with 50K emails, in-app domain procurement, and LinkedIn sequencing built in. Sendbox counters with 75K emails, a dedicated IP, and a bundled lead finder, at flat pricing across its own tier structure.
At a glance
12 features
Sendbox edge8- Tie2
SuperSend edge2
Sendbox from
$99/mo
SuperSend from
$99/mo
The verdict
This matchup turns out to be less about price than it first appears, since SuperSend's Growth tier holds at a fixed $99/mo for 50K emails on shared infrastructure. Sendbox structures its entry tier differently: 75K emails ship with a dedicated IP, priced flat regardless of how close a team gets to that ceiling. The real divide is architectural rather than financial.
SuperSend poured its engineering effort into in-app domain and mailbox purchasing, a genuine time-saver for teams provisioning fresh sending infrastructure on a rolling basis. Sendbox poured its effort into dedicated IP allocation plus a bundled 350M-contact finder, letting a team retire a separate prospecting tool entirely. Teams standing up new infrastructure every week should lean toward SuperSend's domain integration.
Teams whose real bottleneck is finding contacts while protecting sender reputation should lean toward Sendbox's bundled stack.
Where it leads
Sendbox
- Dedicated IPs on every plan
- 350M+ lead database included
- Built-in dialer for cold calling
Where it leads
SuperSend
- LinkedIn sequences combined with email
- Buy domains and mailboxes inside the app
- Deliverability monitoring and placement tests
Feature by feature
Sendbox vs SuperSend: Feature-by-Feature
Filter by category, or show only the rows where the two tools actually differ.
| Feature | Sendbox | SuperSend |
|---|---|---|
| Infrastructure | ||
| Dedicated IPs | Sendbox Every planEdge A dedicated IP comes standard with every tier | SuperSend No Dedicated IPs are not mentioned anywhere in their offering |
| Isolated Infrastructure | Sendbox YesEdge Each account sends on fully isolated infrastructure | SuperSend No Runs on infrastructure shared across customers |
| Email Warmup | Sendbox Unlimited, AI-poweredEdge Warmup is AI-driven and tuned to get past detection filters | SuperSend Included Warmup comes bundled into the platform |
| Deliverability Monitoring | Sendbox Built-in Combines inbox placement testing with blacklist monitoring | SuperSend Built-in Offers its own deliverability monitoring plus placement testing |
| Infrastructure Purchasing | Sendbox No Domains and mailboxes need to be sourced elsewhere | SuperSend YesEdge Domains and mailboxes can be purchased directly in-app |
| Sending | ||
| Email Accounts | Sendbox UnlimitedEdge No hard cap in practice, governed by a fair-use policy most accounts never test | SuperSend Plan-based Account allowance changes depending on the plan |
| Monthly Emails | Sendbox 75K to 2.5MEdge Runs from 75K on Essential up to 2.5M on Agency | SuperSend 50K to 200K Runs from 50K on Growth up to 200K on Scale |
| Features | ||
| LinkedIn Sequences | Sendbox No Outreach is scoped to email and phone, with no LinkedIn layer | SuperSend YesEdge LinkedIn steps can be woven directly into sequences |
| Unified Inbox | Sendbox Yes All connected accounts funnel into one inbox | SuperSend Super Inbox Replies are consolidated under their Super Inbox feature |
| Built-in Dialer | Sendbox YesEdge Every plan includes native calling capability | SuperSend No No calling feature is offered |
| Lead Database | Sendbox 350M+ contactsEdge A lead finder ships inside the platform | SuperSend No There is no database of leads to search |
| Scale | ||
| White-label | Sendbox From $499/moEdge Full white-labeling becomes available starting on Pro | SuperSend No White-labeling is not offered |
Showing 12 of 12 features.
Switch to Sendbox
Dedicated IPs. Isolated infrastructure. From $99/mo.
Pricing
Pricing Comparison
SendboxAll-in-one- $99/mo
Essential
Emails 75,000Leads 30,000
Dedicated IPs, validation, warmup, dialer included
- $249/mo
Plus
Emails 250,000Leads 100,000
All deliverability tools + finder credits
- $499/mo
Pro
Emails 500,000Leads Unlimited
White-label, unlimited leads
- $899/mo
Agency
Emails 2,500,000Leads Unlimited
Dedicated account manager
SuperSend- $99/mo
Growth
Emails 50,000Leads N/A
Email + LinkedIn, deliverability monitoring
- $319/mo
Scale
Emails 200,000Leads N/A
Higher volume, infrastructure add-ons separate
Pricing takeaway
At the same $99/mo price point, Sendbox gives you 75K emails with dedicated IPs and a lead database. SuperSend gives you 50K emails on shared infrastructure with LinkedIn sequences. The choice depends on whether you need LinkedIn automation or dedicated IPs and a lead finder.
SuperSend Shared Pool vs Sendbox Dedicated IPs
Sendbox assigns dedicated IPs on every plan. SuperSend runs on shared infrastructure but compensates with built-in deliverability monitoring and placement tests. SuperSend's standout infrastructure feature is the ability to purchase domains and mailboxes directly inside the app, which simplifies setup for teams scaling their sending infrastructure.
For deliverability tooling, both platforms offer monitoring capabilities. Sendbox includes inbox placement testing, blacklist monitoring, and email validation. SuperSend includes deliverability monitoring and placement tests.
The key difference is the underlying IP architecture: Sendbox gives you dedicated IPs that isolate your sender reputation, while SuperSend shares infrastructure across users.
Key takeaways
- Sendbox: dedicated IPs on all plans
- SuperSend: shared infrastructure with deliverability monitoring
- SuperSend: buy domains and mailboxes inside the app
- Both platforms offer placement testing
Multi-Channel Capabilities
SuperSend's main advantage over Sendbox is LinkedIn automation. You can combine email and LinkedIn actions in a single sequence. Profile visits, connection requests, and messages can be part of the same workflow as email follow-ups.
Sendbox focuses on email and phone. The built-in dialer lets you call warm leads directly from the platform. SuperSend has no dialer.
If your outreach strategy relies on LinkedIn, SuperSend has an edge. If it relies on phone calls, Sendbox wins.
Key takeaways
- SuperSend: LinkedIn sequences combined with email
- Sendbox: built-in dialer for cold calling
- SuperSend: no dialer
- Sendbox: no LinkedIn automation
Start sending today
Set up in 15 minutes. Dedicated IPs on every plan.
Two $99 Plans, Different Email Allocations
Both platforms start at $99/mo. Sendbox Essential gives you 75K emails, 30K leads, dedicated IPs, and a built-in dialer. SuperSend Growth gives you 50K emails with LinkedIn sequences and deliverability monitoring on shared infrastructure.
At scale, SuperSend Scale costs $319/mo for 200K emails. Sendbox Plus costs $249/mo for 250K emails on dedicated IPs. Sendbox is cheaper for more volume with better infrastructure at the mid-tier.
Infrastructure add-ons on SuperSend are priced separately, adding to the total cost.
Key takeaways
- Both start at $99/mo
- Sendbox Essential: 75K emails, dedicated IPs, dialer
- SuperSend Growth: 50K emails, LinkedIn sequences, shared infrastructure
- SuperSend Scale ($319/mo) vs Sendbox Plus ($249/mo): Sendbox is cheaper with more volume
SuperSend for Domain Provisioning, Sendbox for Database
We recommend SuperSend if LinkedIn is a core part of your outreach strategy and you want email + LinkedIn in one tool with built-in infrastructure purchasing. The ability to buy domains and mailboxes inside the platform is a genuine time-saver. We recommend Sendbox if deliverability is your priority and you need dedicated IPs, a 350M+ lead database, and a built-in dialer.
At $99/mo, Sendbox gives you more emails and better infrastructure than SuperSend at the same price.
Key takeaways
- Choose SuperSend if: LinkedIn automation is core to your outreach, want to buy infrastructure in-app
- Choose Sendbox if: deliverability matters most, need dedicated IPs, want a lead database and dialer
Strengths & limitations
Pros & Cons
Strengths6
- Dedicated IPs on every plan
- 350M+ lead database included
- Built-in dialer for cold calling
- 75K emails at $99/mo vs SuperSend's 50K
- White-label from $499/mo
- Inbox placement testing and blacklist monitoring
Limitations3
- No LinkedIn automation
- No in-app domain and mailbox purchasing
- Newer platform with smaller community
Strengths4
- LinkedIn sequences combined with email
- Buy domains and mailboxes inside the app
- Deliverability monitoring and placement tests
- Super Inbox for unified reply management
Limitations6
- Shared infrastructure, no dedicated IPs
- No lead database
- No built-in dialer
- No white-label
- Infrastructure add-ons priced separately
- 50K emails at $99/mo vs Sendbox's 75K
Source material
SuperSend Screenshots
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No. SuperSend does not mention dedicated IPs on any plan. Sendbox includes dedicated IPs on every plan starting at $99/mo.
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