Event Calendar: Tickets & RSVP vs Trenoxa ‑ Class Booking
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Oct 14, 2026 for Event Calendar, Nov 5, 2026 for Trenoxa.
The short answer
- Only Trenoxa lists a free plan. Paid plans start at $39.99/month for Event Calendar and $23/month for Trenoxa.
- Event Calendar lists 16 features Trenoxa’s listing doesn’t mention, including Branding, Calendar widget, Cancel booking.
Head to head
Sell Tickets & Collect RSVPS to your Classes, Courses & Events
Momentum
New reviews each month
Review pace is the clearest public read on how fast an app is winning new merchants.
Hobby
- · $1,000 Ticket Sales /mo
- · 1 Team Member
- · 1 Widget
- · 1000 RSVPs /mo
- · All Core Features
Scale
- · $3,000 Ticket Sales /mo
- · 10 Team Members
- · 10 Widgets
- · 3,000 RSVPs /mo
- · All Core Features
Business
- · $20,000 Ticket Sales /mo
- · 20,000 RSVPs /mo
- · All Core Features
- · Unlimited Team Members
- · Unlimited Widgets
Free
- · 1 active class, unlimited bookings
Standard
- · Unlimited classes, no caps
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureDoes your business run regular events? Event Calendar App lets you create a beautiful event calendar you can add to your website. Your customers use the calendar to browse your events, and buy tickets. All in one, easy to use place. And you get access to our dashboard that gives you the complete low down on everyone that's coming. No more manual spreadsheets, just more ticket sales.
Never sell the same seat twice. Trenoxa sells seats for pottery, painting, craft, and cooking classes and workshops through your normal Shopify checkout, with per-session capacity that can't be oversold, even when two customers race for the last seat. Add one menu link for a booking page in your theme's look, or switch on class pages so each class shows a session picker.
- Perfect for businesses that run events, classes, workshops, courses or webinars.
- Fully integrates with the Shopify checkout system.
- Custom form inputs. Collect dietary requirements, phone numbers, etc
- Easily export attendees for each event.
- Sell seats for recurring or one-off class and workshop sessions
- Capacity limits that prevent overselling, even on simultaneous orders
- Refunds and cancellations release seats automatically for resale
- A live roster for every session showing who booked and seats taken
All the numbers
Every figure, side by side
A green dot marks the app ahead on a measured figure. Estimates, gaps and apps that leave no storefront trace never take the lead.
Adoption
| Measure |  Event Calendar |  Trenoxa |
|---|---|---|
| Detected stores | Not published | Not published |
| Net store change, 28 days | 0 | 0 |
| Stores added, 28 days | Not enough data | Not enough data |
| Big-brand share | Not enough data | Not enough data |
| Top store categories | Not published | Not published |
| Top store countries | Not published | Not published |
Reviews
| Measure | Event Calendar | Trenoxa |
|---|---|---|
| App Store rating | 4.6 ★ | Not published |
| App Store reviews | 41 | Not published |
| New reviews, 28 days | 0 | Not enough data |
| Reviewers a year or more in | Not enough data | Not enough data |
Pricing
| Measure | Event Calendar | Trenoxa |
|---|---|---|
| Free plan | Not listed | Yes |
| Lowest paid monthly plan | $39.99/month | $23/month(ahead) |
| Longest free trial | 7 days | Not listed |
| Plans listed | 3 | 2 |
Listing
| Measure | Event Calendar | Trenoxa |
|---|---|---|
| Shopify category rank | #47(ahead) | #94 |
| Shopify App Charts | Not on this week’s charts | Not on this week’s charts |
| Built for Shopify | No | No |
| Launched | Sep 16, 2016 | Jul 30, 2026 |
| Languages | 1 | 1 |
| Developer | Event Calendar App | TrenoxaHQ |
FAQ
Event Calendar and Trenoxa: common questions
- Is Event Calendar or Trenoxa cheaper?
- Only Trenoxa lists a free plan. Paid plans start at $39.99/month for Event Calendar and $23/month for Trenoxa. Shoplist compares base prices only between monthly plans in the same currency; usage charges and annual plans vary, so check each plan’s limits.
- What features does each app list that the other doesn’t?
- Event Calendar lists 16 the others don’t mention, such as Branding, Calendar widget, Cancel booking, Capacity limits. Trenoxa lists 2 the others don’t mention, such as Scheduling, Time slots. A feature missing from a listing may still be supported; this compares what each App Store listing says.
- Where does this comparison’s data come from?
- Shoplist crawls Shopify storefronts to detect which apps each store runs, and reads each app’s Shopify App Store listing for reviews, pricing, features and integrations. Store counts are as of Oct 14, 2026 for Event Calendar, Nov 5, 2026 for Trenoxa; estimated figures are labeled.
How Shoplist compares apps
Store counts come from Shoplist’s crawl of Shopify storefronts, which detects the apps each store runs; they are as of Oct 14, 2026 for Event Calendar, Nov 5, 2026 for Trenoxa. Reviews, ratings, plans, features and integrations come from each app’s Shopify App Store listing. 28-day figures are labeled when estimated, and a figure that is missing or estimated never decides who leads. Read the methodology.