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Customer Support · head to head

ManageEngine ServiceDesk Plus vs OneSignal

ManageEngine ServiceDesk Plus logo

ManageEngine ServiceDesk Plus

Customer Support

IT help desk and ITSM software

From
Free
Free plan
Yes
Full reviewWebsite
OneSignal logo

OneSignal

Telecommunications

Customer engagement and messaging, without the complexity

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; OneSignal free plan email sends cap at 10,000 per month and web push is capped at 10,000 subscribers per send, per onesignal.com/pricing (Aug 2026)
  • Prices and features above were last checked on 29 August 2026.

Where they differ

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

Attributes where ManageEngine ServiceDesk Plus and OneSignal differ
AttributeManageEngine ServiceDesk PlusOneSignal
Pricing modelsubscriptionfreemium
CategoryCustomer SupportTelecommunications

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

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 OneSignal
  • IT asset management and change managementnot OneSignal

OneSignal

  • Sending push notifications to mobile app users when orders shipnot ManageEngine ServiceDesk Plus
  • Triggering email confirmations based on form submission eventsnot ManageEngine ServiceDesk Plus
  • Creating multi-step SMS and email journeys for onboarding usersnot ManageEngine ServiceDesk Plus
  • Sending in-app messages to users abandoning checkout flowsnot 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

OneSignal

  • Free plan email sends cap at 10,000 per month and web push is capped at 10,000 subscribers per send, per onesignal.com/pricing (Aug 2026)
  • Professional and Enterprise plans require custom annual contracts with no published rate, per onesignal.com; SMS/RCS messaging and dedicated IPs are gated behind the Professional tier

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

OneSignal

Free
  • FreeFree
    • 10,000 free email sends/month
    • Unlimited mobile push
    • Basic analytics and automation
  • Growth$19/month
    • Base platform fee plus usage costs
    • Mobile push: $0.012 per monthly active user
    • Web push: $0.004 per subscriber
  • Professional$undefined/mo
    • Custom annual pricing
    • All Growth features plus SMS/RCS messaging
    • 24/7 prioritized support
  • Enterprise$undefined/mo
    • Custom annual pricing
    • Unlimited personalization
    • Dedicated success manager

Which should you pick?

Choose ManageEngine ServiceDesk Plus if

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

Choose OneSignal if

  • You want to start without paying.
OneSignal review

Questions people ask

Is ManageEngine ServiceDesk Plus or OneSignal better?
Neither clearly leads. ManageEngine ServiceDesk Plus starts at Free and OneSignal at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, ManageEngine ServiceDesk Plus or OneSignal?
ManageEngine ServiceDesk Plus starts at Free and OneSignal at Free.
Does ManageEngine ServiceDesk Plus or OneSignal run on more platforms?
Both run on Web, so platform support will not decide this one for you.
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 OneSignal is typically brought in for.

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
OneSignal: How much does OneSignal cost?

OneSignal offers a free tier with 10,000 free email sends/month and unlimited mobile push. Growth plan starts at $19/month plus usage-based charges for mobile push ($0.012 per monthly active user) and web push ($0.004 per subscriber).

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
OneSignal: Does OneSignal offer a free version?

Yes, OneSignal's free plan includes 10,000 free email sends per month, unlimited mobile push, basic analytics and automation, with up to 1 active journey and 2 message steps.

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
OneSignal: What are OneSignal's email costs beyond the free tier?

After the 20,000 free email sends/month included in the Growth plan, OneSignal charges $1.50 per 1,000 additional emails.

Source
OneSignal: What is included in the Professional plan?

OneSignal's Professional plan includes custom annual pricing, all Growth features plus SMS/RCS messaging, 24/7 prioritized support, and optional dedicated IP for email.

Source
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