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Customer Support · head to head

ManageEngine ServiceDesk Plus vs Seamless.AI

ManageEngine ServiceDesk Plus logo

ManageEngine ServiceDesk Plus

Customer Support

IT help desk and ITSM software

From
Free
Free plan
Yes
Full reviewWebsite
Seamless.AI logo

Seamless.AI

CRM

Sales lead search engine for finding contact and company data

From
Free
Free plan
Yes
Full reviewWebsite

The short version

  • Each has a real cost: ManageEngine ServiceDesk Plus pricing structure based on per-technician model can become expensive for large teams; Seamless.AI pro and Enterprise pricing is not published and requires contacting sales.
  • Prices and features above were last checked on 29 August 2026.

Where they differ

Only the attributes on which ManageEngine ServiceDesk Plus and Seamless.AI actually diverge.

Attributes where ManageEngine ServiceDesk Plus and Seamless.AI differ
AttributeManageEngine ServiceDesk PlusSeamless.AI
Pricing modelsubscriptionfreemium
PlatformsWebweb, api
CategoryCustomer SupportCRM

Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in ManageEngine ServiceDesk Plus

Nothing recorded that Seamless.AI does not also cover.

Only in Seamless.AI

  • Contact search
  • Real-time search engine
  • Job change alerts
  • Buyer intent data
  • CRM and API integrations
  • Enterprise security

What people use each for

The jobs each tool is most often brought in to do.

ManageEngine ServiceDesk Plus

  • IT service desk for small to enterprise organizationsnot Seamless.AI
  • IT asset management and change managementnot Seamless.AI

Seamless.AI

  • B2B sales teams building prospecting listsnot ManageEngine ServiceDesk Plus
  • Finding verified emails and phone numbers for outreachnot ManageEngine ServiceDesk Plus
  • Tracking job changes among target contactsnot ManageEngine ServiceDesk Plus
  • Identifying accounts showing buyer intentnot ManageEngine ServiceDesk Plus

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

ManageEngine ServiceDesk Plus

  • Pricing structure based on per-technician model can become expensive for large teams
  • Asset management requires Professional tier or above, increasing costs for enterprises needing full inventory control
  • No explicit limit published for number of technicians, making cost projections difficult for scaling teams

Seamless.AI

  • Pro and Enterprise pricing is not published and requires contacting sales.
  • Free plan is limited to just 50 credits and a single user.
  • Data accuracy for contact details can vary and requires verification before outreach.
  • Credit-based usage model means heavy prospecting can exhaust allotments quickly.

Pricing, plan by plan

ManageEngine ServiceDesk Plus

Free
  • Standard$13/monthly
    • IT help desk functionality
    • Per technician or administrator pricing
    • Unlimited IT end users
  • Professional$27/monthly
    • IT help desk
    • Asset management
    • Per technician pricing
  • Enterprise$67/monthly
    • IT help desk
    • Asset management
    • Change management

Seamless.AI

Free
  • FreeFree
    • 1 user
    • 50 credits
    • Email and cell phone search
  • Pro$undefined/mo
    • Per-user pricing
    • Unlimited exports
    • Annual credit packages
  • Enterprise$undefined/mo
    • Unlimited users
    • Custom credit allotments
    • Dedicated success manager

Which should you pick?

Choose ManageEngine ServiceDesk Plus if

  • You want to start without paying.
ManageEngine ServiceDesk Plus review

Choose Seamless.AI if

  • You need contact search.
  • You want to start without paying.
  • You work on web, api.
  • You also want real-time search engine.
Seamless.AI review

Questions people ask

Is ManageEngine ServiceDesk Plus or Seamless.AI better?
Neither clearly leads. ManageEngine ServiceDesk Plus starts at Free and Seamless.AI at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, ManageEngine ServiceDesk Plus or Seamless.AI?
ManageEngine ServiceDesk Plus starts at Free and Seamless.AI at Free.
Does ManageEngine ServiceDesk Plus or Seamless.AI run on more platforms?
ManageEngine ServiceDesk Plus runs on Web. Seamless.AI runs on web, api.
Can I use ManageEngine ServiceDesk Plus for free?
Both have a free tier, so you can try either at no cost before committing.
What is ManageEngine ServiceDesk Plus best used for?
ManageEngine ServiceDesk Plus is most often used for it service desk for small to enterprise organizations, it asset management and change management. Of those, it service desk for small to enterprise organizations and it asset management and change management are not what Seamless.AI is typically brought in for.
What can ManageEngine ServiceDesk Plus do that Seamless.AI cannot?
Seamless.AI covers Contact search, Real-time search engine, Job change alerts, Buyer intent data.

Answered from the vendors’ own pages

ManageEngine ServiceDesk Plus: How is pricing calculated for ManageEngine ServiceDesk Plus?

Pricing is based on the number of administrators and technicians using the platform. There is no restriction on the number of IT end users. If you use IT asset management, you pay for the number of IT assets managed.

Source
Seamless.AI: Is there a free plan, and what are its limits?

Yes, the Free plan includes 1 user and 50 credits, with access to email and cell phone search, real-time search, and API access.

Source
ManageEngine ServiceDesk Plus: Is there a free tier available?

Yes, the Standard edition is available free for up to 5 technicians. Free tier includes 250 IT assets managed and basic IT help desk features.

Source
Seamless.AI: How is usage metered on Seamless.AI?

Seamless.AI uses a credit system where credits are consumed to research contact details; paid Pro plans start with larger annual credit packages than the Free plan.

Source
ManageEngine ServiceDesk Plus: What are the billing options?

ManageEngine offers both monthly and yearly billing options. Annual billing provides discounted rates compared to monthly. You can deploy on-premises or use cloud-based SaaS deployment.

Source
Seamless.AI: Does Seamless.AI have an API?

Yes, API access is included even on the Free plan, alongside export and integration capabilities on paid plans.

Source
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