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Customer Support · head to head

Calabrio ONE vs ManageEngine ServiceDesk Plus

Calabrio ONE logo

Calabrio ONE

Customer Support

Workforce management, quality and analytics suite for contact centres, now owned by Verint

From
On request
Rated
-
Full reviewWebsite
ManageEngine ServiceDesk Plus logo

ManageEngine ServiceDesk Plus

Customer Support

IT help desk and ITSM software

From
Free
Rated
-
Full reviewWebsite

The short version

  • Only ManageEngine ServiceDesk Plus has a free tier, so it costs nothing to try first.
  • Each has a real cost: Calabrio ONE ownership changed in November 2025 when Thoma Bravo took Verint private and merged it with Calabrio, so the product is no longer the independent alternative to Verint that most shortlists put it on for, and roadmap priorities across two overlapping suites will be decided by one company.; ManageEngine ServiceDesk Plus pricing structure based on per-technician model can become expensive for large teams
  • Prices and features above were last checked on 31 August 2026.

Where they differ

Only the attributes on which Calabrio ONE and ManageEngine ServiceDesk Plus actually diverge.

Attributes where Calabrio ONE and ManageEngine ServiceDesk Plus differ
AttributeCalabrio ONEManageEngine ServiceDesk Plus
Starting priceOn requestFree
Pricing modelquotesubscription
Free tierNoYes
PlatformsWeb, iOS, AndroidWeb

Identical on both: user rating (Not yet rated), category (Customer Support).

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 Calabrio ONE

  • Intelligent forecasting
  • Automated scheduling
  • Intraday optimisation
  • Real-time adherence
  • Agent self-service
  • Call and screen recording
  • Quality management
  • Speech and desktop analytics

Only in ManageEngine ServiceDesk Plus

Nothing recorded that Calabrio ONE does not also cover.

What people use each for

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

Calabrio ONE

  • A 1,200-seat contact centre on Amazon Connect needing forecasting and adherence that the native scheduling tools do not providenot ManageEngine ServiceDesk Plus
  • A multi-site operation replacing spreadsheet rostering that no longer copes with skills-based routing and part-time shift patternsnot ManageEngine ServiceDesk Plus
  • A retailer forecasting seasonal contact volume across voice, chat and email to decide temporary hiring numbers months aheadnot ManageEngine ServiceDesk Plus
  • A compliance-bound centre needing call and screen recording with retention and redaction controls independent of its telephony vendornot ManageEngine ServiceDesk Plus

ManageEngine ServiceDesk Plus

  • IT service desk for small to enterprise organizationsnot Calabrio ONE
  • IT asset management and change managementnot Calabrio ONE

Where each one falls short

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

Calabrio ONE

  • Ownership changed in November 2025 when Thoma Bravo took Verint private and merged it with Calabrio, so the product is no longer the independent alternative to Verint that most shortlists put it on for, and roadmap priorities across two overlapping suites will be decided by one company.
  • The combined business has run substantial layoffs following the buyout, which raises real questions about support responsiveness and module investment that a prospective buyer should press on in contract negotiation.
  • Pricing is quoted per agent per month, commonly cited from around 75 US dollars, with analytics and quality sold as separate modules, so the headline figure understates a full suite deployment considerably.
  • There is no free trial and no self-service tier, meaning evaluating the forecasting engine against your own historical data requires a sales-led proof of concept measured in weeks.
  • The forecasting and scheduling engine assumes an operations team that can configure shift rules, service level targets and skill routing correctly; deployed by a team without that expertise it produces schedules people override manually, which negates the reason to buy it.

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

Pricing, plan by plan

Calabrio ONE

On request
  • Calabrio ONE$undefined/year
    • Workforce management forecasting and scheduling
    • Real-time adherence
    • Agent self-service and mobile app

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

Which should you pick?

Choose Calabrio ONE if

  • You need intelligent forecasting.
  • You work on Web, iOS, Android.
  • You also want automated scheduling.
Calabrio ONE review

Choose ManageEngine ServiceDesk Plus if

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

Questions people ask

Is Calabrio ONE or ManageEngine ServiceDesk Plus better?
Neither clearly leads. Calabrio ONE starts at On request and ManageEngine ServiceDesk Plus at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Calabrio ONE or ManageEngine ServiceDesk Plus?
ManageEngine ServiceDesk Plus has a free tier; the other does not. Paid plans start at On request for Calabrio ONE and Free for ManageEngine ServiceDesk Plus.
Does Calabrio ONE or ManageEngine ServiceDesk Plus run on more platforms?
Calabrio ONE runs on Web, iOS, Android. ManageEngine ServiceDesk Plus runs on Web.
Can I use ManageEngine ServiceDesk Plus for free?
Yes. ManageEngine ServiceDesk Plus has a free tier, so you can try it without paying. Calabrio ONE starts at On request.
What is Calabrio ONE best used for?
Calabrio ONE is most often used for a 1,200-seat contact centre on amazon connect needing forecasting and adherence that the native scheduling tools do not provide, a multi-site operation replacing spreadsheet rostering that no longer copes with skills-based routing and part-time shift patterns, a retailer forecasting seasonal contact volume across voice, chat and email to decide temporary hiring numbers months ahead, a compliance-bound centre needing call and screen recording with retention and redaction controls independent of its telephony vendor. Of those, a 1,200-seat contact centre on amazon connect needing forecasting and adherence that the native scheduling tools do not provide and a multi-site operation replacing spreadsheet rostering that no longer copes with skills-based routing and part-time shift patterns are not what ManageEngine ServiceDesk Plus is typically brought in for.
What can Calabrio ONE do that ManageEngine ServiceDesk Plus cannot?
Calabrio ONE covers Intelligent forecasting, Automated scheduling, Intraday optimisation, Real-time adherence.

Answered from the vendors’ own pages

Calabrio ONE: Is Calabrio still a separate product from Verint?

It is still sold and supported under the Calabrio name, but the companies merged under Thoma Bravo ownership in November 2025 and calabrio.com now redirects to verint.com.

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
Calabrio ONE: Will Calabrio customers be forced to migrate to Verint?

Verint has publicly committed to supporting and enhancing Calabrio solutions with no forced migration. Get that commitment written into your contract term rather than relying on the statement.

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
Calabrio ONE: Does it replace my contact centre platform?

No. It sits on top of your CCaaS or telephony platform and handles workforce management, recording and quality.

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
Calabrio ONE: What does it cost?

Nothing is published. Independent reporting puts the entry point near 75 US dollars per agent per month, rising with quality and analytics modules.

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