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Customer Support · head to head

Cresta vs OneSignal

Cresta logo

Cresta

Customer Support

Real-time AI coaching and autonomous agents that sit on top of an existing contact centre platform

From
On request
Free plan
No
Full reviewWebsite
OneSignal logo

OneSignal

Telecommunications

Customer engagement and messaging, without the complexity

From
Free
Free plan
Yes
Full reviewWebsite

The short version

  • Only OneSignal has a free tier, so it costs nothing to try first.
  • Each has a real cost: Cresta cresta depends on the CCaaS platforms it integrates with, and NICE, Genesys and Five9 are all shipping native real-time assist and auto-QA of their own, so at renewal you may be paying twice for capability your platform vendor will bundle at a discount.; 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 31 August 2026.

Where they differ

Only the attributes on which Cresta and OneSignal actually diverge.

Attributes where Cresta and OneSignal differ
AttributeCrestaOneSignal
Starting priceOn requestFree
Pricing modelquotefreemium
Free tierNoYes
PlatformsWeb, APIWeb
CategoryCustomer SupportTelecommunications

Identical on both: 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 Cresta

  • Real-time agent assist
  • Autonomous AI Agent
  • Conversation intelligence
  • Automated quality management
  • Behavioural coaching
  • Knowledge surfacing
  • Multilingual deployment
  • Supervisor dashboards

Only in OneSignal

Nothing recorded that Cresta does not also cover.

What people use each for

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

Cresta

  • A 1,500-seat telecommunications sales centre that wants conversion lift from live agent prompting without migrating off an incumbent Genesys deploymentnot OneSignal
  • An insurance contact centre replacing manual QA sampling of two per cent of calls with automated scoring of every call for regulatory evidencenot OneSignal
  • A retail support operation deploying autonomous voice agents on high-volume order status calls while keeping humans on complex claimsnot OneSignal
  • A contact centre director who needs to prove which specific agent behaviours drive outcome differences, rather than relying on post-call survey scoresnot OneSignal

OneSignal

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

Where each one falls short

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

Cresta

  • Cresta depends on the CCaaS platforms it integrates with, and NICE, Genesys and Five9 are all shipping native real-time assist and auto-QA of their own, so at renewal you may be paying twice for capability your platform vendor will bundle at a discount.
  • Pricing is not published and contracts are seat-based and annual at enterprise scale, which in practice means six-figure commitments and a procurement cycle measured in months rather than weeks.
  • Real-time guidance only pays back where conversation outcomes are measurable and repeatable, so support teams handling long, varied, low-volume cases rarely recover the licence cost.
  • Deploying real-time assist requires agents to accept on-screen prompting mid-call, and contact centres with strong union representation or experienced tenured agents frequently see adoption resistance that no amount of model quality fixes.
  • Automated quality scoring changes what agents are measured on, and organisations that switch from human QA without rewriting their evaluation rubric and appeals process create industrial-relations problems that surface months after go-live.

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

Cresta

On request
  • Cresta$undefined/year
    • AI Agent
    • Agent Assist
    • Conversation Intelligence

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 Cresta if

  • You need real-time agent assist.
  • You work on Web, API.
  • You also want autonomous ai agent.
Cresta review

Choose OneSignal if

  • You want to start without paying.
OneSignal review

Questions people ask

Is Cresta or OneSignal better?
Neither clearly leads. Cresta starts at On request and OneSignal at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Cresta or OneSignal?
OneSignal has a free tier; the other does not. Paid plans start at On request for Cresta and Free for OneSignal.
Does Cresta or OneSignal run on more platforms?
Cresta runs on Web, API. OneSignal runs on Web.
Can I use OneSignal for free?
Yes. OneSignal has a free tier, so you can try it without paying. Cresta starts at On request.
What is Cresta best used for?
Cresta is most often used for a 1,500-seat telecommunications sales centre that wants conversion lift from live agent prompting without migrating off an incumbent genesys deployment, an insurance contact centre replacing manual qa sampling of two per cent of calls with automated scoring of every call for regulatory evidence, a retail support operation deploying autonomous voice agents on high-volume order status calls while keeping humans on complex claims, a contact centre director who needs to prove which specific agent behaviours drive outcome differences, rather than relying on post-call survey scores. Of those, a 1,500-seat telecommunications sales centre that wants conversion lift from live agent prompting without migrating off an incumbent genesys deployment and an insurance contact centre replacing manual qa sampling of two per cent of calls with automated scoring of every call for regulatory evidence are not what OneSignal is typically brought in for.
What can Cresta do that OneSignal cannot?
Cresta covers Real-time agent assist, Autonomous AI Agent, Conversation intelligence, Automated quality management.

Answered from the vendors’ own pages

Cresta: Does Cresta replace my contact centre platform?

No. It is designed to sit on top of NICE, Genesys, Five9, Amazon Connect and similar platforms, which is why it is chosen where a full CCaaS migration is not feasible.

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
Cresta: What does it cost?

Cresta does not publish pricing. Contracts are seat-based and annual, and at the enterprise scale it sells into they are typically six figures per year.

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
Cresta: Is it viable for a contact centre under 100 seats?

Rarely. The commercial model, implementation effort and required outcome measurement all assume several hundred seats or more.

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
Cresta: Who owns Cresta?

It is an independent venture-backed company, having raised roughly 282 million USD in total including a 125 million USD Series D in November 2024 co-led by World Innovation Lab and the Qatar Investment Authority.

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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