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Events · head to head

Activity Messenger vs Aventri

Activity Messenger logo

Activity Messenger

Events

Registrations, payments and communications for sports and leisure

From
$99/month
Rated
-
Full reviewWebsite
Aventri logo

Aventri

Events

Event management software reimagined

From
$800/month
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Activity Messenger entry pricing is 99 dollars a month, and online registration itself only appears on the 149 dollar Premium tier, so the cheapest plan is a communications tool rather than a registration one.; Aventri pricing is custom quote only, no published pricing tiers
  • They diverge on capability: Activity Messenger covers Online registration, Aventri covers Event registration.
  • Prices and features above were last checked on 15 September 2026.

Where they differ

Only the attributes on which Activity Messenger and Aventri actually diverge.

Attributes where Activity Messenger and Aventri differ
AttributeActivity MessengerAventri
Starting price$99/month$800/month
PlatformsWebWeb, Mobile app
Founded20191998

Identical on both: pricing model (subscription), free tier (No), user rating (Not yet rated), category (Events).

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 Activity Messenger

  • Online registration
  • Digital waivers
  • Email and SMS automation
  • Memberships and ticketing
  • Staff management
  • Attendance tracking
  • Bulk certificates

Only in Aventri

  • Event registration
  • Event website builder
  • Mobile event app
  • Lead retrieval
  • Analytics
  • Salesforce
  • Marketo
  • HubSpot

What people use each for

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

Activity Messenger

  • Running seasonal camp and class registrationsnot Aventri
  • Collecting signed liability waivers digitallynot Aventri
  • Managing memberships and recurring programmesnot Aventri
  • Onboarding and timesheeting seasonal instructorsnot Aventri
  • Email and SMS campaigns to a registrant listnot Aventri

Aventri

  • Event planningnot Activity Messenger
  • Ticket salesnot Activity Messenger
  • Attendee managementnot Activity Messenger
  • Virtual eventsnot Activity Messenger
  • Event marketingnot Activity Messenger

Where each one falls short

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

Activity Messenger

  • Entry pricing is 99 dollars a month, and online registration itself only appears on the 149 dollar Premium tier, so the cheapest plan is a communications tool rather than a registration one.
  • Payment processing costs 2.9 percent plus 30 cents on cards with a 1 percent service fee on all methods, which is charged on top of the subscription.
  • Tiers are gated on email subscriber counts, so an organisation with a large mailing list and few registrations pays for the list.
  • Staff scheduling is listed as coming soon on the Pro tier rather than available.
  • The customer base and case studies are concentrated in North America, so a European organisation should check tax and payment handling before committing.

Aventri

  • Pricing is custom quote only, no published pricing tiers
  • Primarily positioned as enterprise solution, not suitable for small events
  • Requires sales team engagement to understand pricing and features

Pricing, plan by plan

Activity Messenger

$99/month
  • Light$99/month
    • Email marketing with Canva integration
    • Digital waivers and signatures
    • Surveys and forms
  • Premium$149/month
    • Online registration and camps and activities management
    • Staff management
    • Memberships and automations
  • Pro$229/month
    • Private lessons and bookings
    • Unlimited users
    • Fully white label
  • Enterprise$undefined/month
    • Custom pricing
    • Unlimited data storage
    • Fundraising for athletes

Aventri

$800/month
  • Essentials$800/month
    • Registration
    • Event website
    • Basic reporting
  • Professional$2000/month
    • Mobile app
    • Lead retrieval
    • Advanced analytics
  • Enterprise$5000/month
    • Full platform
    • API access
    • Custom integrations

Which should you pick?

Choose Activity Messenger if

  • You need online registration.
  • You also want digital waivers.
Activity Messenger review

Choose Aventri if

  • You need event registration.
  • You work on Web, Mobile app.
  • You also want event website builder.
Aventri review

Questions people ask

Is Activity Messenger or Aventri better?
Neither clearly leads. Activity Messenger starts at $99/month and Aventri at $800/month, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Activity Messenger or Aventri?
Activity Messenger starts at $99/month and Aventri at $800/month.
Does Activity Messenger or Aventri run on more platforms?
Activity Messenger runs on Web. Aventri runs on Web, Mobile app.
What is Activity Messenger best used for?
Activity Messenger is most often used for running seasonal camp and class registrations, collecting signed liability waivers digitally, managing memberships and recurring programmes, onboarding and timesheeting seasonal instructors. Of those, running seasonal camp and class registrations and collecting signed liability waivers digitally are not what Aventri is typically brought in for.
What can Activity Messenger do that Aventri cannot?
Activity Messenger covers Online registration, Digital waivers, Email and SMS automation, Memberships and ticketing. Aventri covers Event registration, Event website builder, Mobile event app, Lead retrieval.

Answered from the vendors’ own pages

Activity Messenger: What does Activity Messenger cost?

Light is $99 a month, Premium $149, Pro $229, and Enterprise is custom priced. A $10 pause plan is available for seasonal businesses for up to six months.

Source
Aventri: Does Aventri offer a free trial?

Aventri uses custom pricing based on individual needs rather than standard tier pricing, and does not publicly advertise a free trial. Contact their sales team for trial availability.

Source
Activity Messenger: Are there transaction fees on top?

Yes. Credit card payments are 2.9 percent plus $0.30 per transaction, Interac and bank transfers are 1 percent plus $0.40, and a 1 percent service fee applies across all payment methods.

Source
Aventri: Can I create mobile apps for my events with Aventri?

Yes, Aventri allows you to produce native mobile apps for events as part of its core offering.

Source
Activity Messenger: Which tier includes online registration?

Premium at $149 a month. The $99 Light tier covers email marketing, digital waivers, surveys and forms, but registration, camps and activities management, memberships and ticketing start at Premium.

Source
Aventri: What kind of events does Aventri support?

Aventri supports in-person, virtual, and hybrid events, managing the full lifecycle from registration and attendee management through onsite operations and post-event analytics.

Source
Activity Messenger: Who is it built for?

Sports and leisure organisations: classes and camps, schools, federations, dance studios, gymnastics clubs, swim schools, soccer academies, tennis clubs, parks and recreation departments and sports associations.

Source
Aventri: Does Aventri have an API for customization?

Yes, Aventri offers a developer-centric API ecosystem that enables deep customization and seamless integration with existing enterprise systems.

Source
Activity Messenger: Who built it?

Founded in Montreal in 2019 by Martin Drapeau, Olivier Rousseau and Michael Shpigelman. Drapeau was previously CTO of Amilia, where he spent six years growing the company from 15 to 110 people.

Source
Activity Messenger: What does it integrate with?

Stripe for payments, Zoom for online sessions on the Premium tier and above, and Canva for email design.

Source
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