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Telecommunications · head to head

Twilio vs OneSignal

Twilio logo

Twilio

Telecommunications

Cloud communications platform for SMS, voice, and video

From
Free
Rated
-
Full reviewWebsite
O

OneSignal

Telecommunications

Customer engagement and messaging, without the complexity

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Twilio pricing becomes unpredictable with carrier fees and additional charges for compliance, recordings, and phone number rentals; 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)

Where they differ

Only the attributes on which Twilio and OneSignal actually diverge.

Attributes where Twilio and OneSignal differ
AttributeTwilioOneSignal
Pricing modelUnknownfreemium
PlatformsWeb, APIs, Python, JavaScript, Ruby, Java, PHP, C#Web
Founded2008Unknown

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

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 Twilio

  • SMS messaging
  • Voice calls
  • Video conferencing
  • Programmable communication
  • Slack
  • Salesforce
  • HubSpot
  • Zapier

Only in OneSignal

Nothing recorded that Twilio does not also cover.

What people use each for

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

Twilio

  • Customer engagementnot OneSignal
  • Lead generationnot OneSignal
  • Customer supportnot OneSignal
  • Sales automationnot OneSignal

OneSignal

No use cases recorded yet. See the OneSignal review.

Where each one falls short

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

Twilio

  • Pricing becomes unpredictable with carrier fees and additional charges for compliance, recordings, and phone number rentals
  • Phone number rentals are required for every number used, with carrier fees varying by region and billed separately
  • Dashboard is not optimized for mobile use and logs are difficult to access

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

Twilio

Free
  • Pay-as-You-Go$undefined/mo
    • Usage-based pricing
    • No monthly minimum
    • SMS, voice, video, messaging

OneSignal

Free

No published plan breakdown. See the OneSignal review.

Which should you pick?

Choose Twilio if

  • You need sms messaging.
  • You want to start without paying.
  • You work on Web, APIs, Python, JavaScript, Ruby, Java, PHP, C#.
  • You also want voice calls.
Twilio review

Choose OneSignal if

  • You want to start without paying.
OneSignal review

Questions people ask

Is Twilio or OneSignal better?
Neither clearly leads. Twilio 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, Twilio or OneSignal?
Twilio starts at Free and OneSignal at Free.
Does Twilio or OneSignal run on more platforms?
Twilio runs on Web, APIs, Python, JavaScript, Ruby, Java, PHP, C#. OneSignal runs on Web.
Can I use Twilio for free?
Both have a free tier, so you can try either at no cost before committing.
What is Twilio best used for?
Twilio is most often used for customer engagement, lead generation, customer support, sales automation. Of those, customer engagement and lead generation are not what OneSignal is typically brought in for.
What can Twilio do that OneSignal cannot?
Twilio covers SMS messaging, Voice calls, Video conferencing, Programmable communication.

Answered from the vendors’ own pages

Twilio: What is Twilio's pricing model?

Twilio uses pay-as-you-go usage-based pricing with no monthly minimums or contracts. SMS costs $0.0083 per US message, voice calls cost $0.014 per minute, phone numbers cost $1.15 per month.

Source
Twilio: Does Twilio offer a free tier?

Yes, Twilio offers a free trial indefinitely with no credit card required for limited usage, plus a 7-14 day free trial period on paid plans.

Source
Twilio: What communication channels does Twilio support?

Twilio supports SMS, WhatsApp, RCS, MMS for messaging; Voice API and SIP Trunking for voice; Email via Twilio SendGrid; Video API; and Chat via Conversations API.

Source
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Related pages

More on Twilio

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