Appointment Booking Cowlendar vs Digital Test Center
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Nov 9, 2026 for Appointment Booking Cowlendar, Apr 22, 2026 for Digital Test Center.
The short answer
- Only Appointment Booking Cowlendar lists a free plan.
- Appointment Booking Cowlendar lists 31 features Digital Test Center’s listing doesn’t mention, including Appointments, Block dates, Calendar.
Head to head
Bookings & appointments | Schedule | Zoom | Meet | Calendar
- United States
- United Kingdom
- Canada
Momentum
New reviews each month
Review pace is the clearest public read on how fast an app is winning new merchants.
Free
- · 5 bookings/mo, great to test the waters
- · Unlimited features
Starter
- · 1-1 booking • group booking • multiday
- · ALL FEATURES, INCLUDING :
- · Booking limit per timeslot / per day
- · Custom duration / Deposit / Prepayment
- · Full day booking • bundle • subscription
- · Google/Outlook/Zoom/Teams
Basic
- · 1 to1 booking • group booking • multiday
- · ALL FEATURES, INCLUDING :
- · Booking limit per timeslot / per day
- · Custom duration / Deposit / Prepayment
- · Full day booking • bundle • subscription
- · Google/Outlook/Zoom/Teams
Growth
- · 1-1 booking • group booking • multiday
- · ALL FEATURES, INCLUDING :
- · Booking limit per timeslot / per day
- · Custom duration / Deposit / Prepayment
- · Full day booking • bundle • subscription
- · Google/Outlook/Zoom/Teams
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureThis booking app adds a native scheduling popup on any service/product you sell on Shopify. Our booking app requires zero technical knowledge. Transform a product into a bookable service in 3 min. Works like Calendly, but integrated into Shopify. One time or subscription bookings. Use an address or a digital location (zoom, google meet link, outlook) for your bookings. Addquestions to the form to gather info.
Digital Test Center is a SaaS solution for organizing on-field product tests and equipment reservations. This app links your Digital Test Center account with Shopify so that contacts collected during test events are automatically synchronized into your Shopify customer records. No manual export/import required.
- Replace the "add to cart" button for a "book now" button on any product page
- Setup in-person meeting or virtual bookings through Zoom or Google Meet
- Email notifications & Reminders for appointments and bookings. Booking app.
- Group booking: you can allow multiple customers to book the same timeslot.
- Seamless Contact Sync
- Unified Customer Database
- Time-Saving Automation
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 |  Appointment Booking Cowlendar |  Digital Test Center |
|---|---|---|
| Detected stores | 5,475 | Not published |
| Net store change, 28 days | −5 | 0 |
| Stores added, 28 days | 112 | Not enough data |
| Big-brand share | 8% | Not enough data |
| Top store categories | Apparel & Accessories, Services, Home & Garden | Not published |
| Top store countries | United States, United Kingdom, Canada | Not published |
Reviews
| Measure | Appointment Booking Cowlendar | Digital Test Center |
|---|---|---|
| App Store rating | 4.9 ★ | Not published |
| App Store reviews | 2,261 | Not published |
| New reviews, 28 days | 17 | Not enough data |
| Reviewers a year or more in | 11% | Not enough data |
Pricing
| Measure | Appointment Booking Cowlendar | Digital Test Center |
|---|---|---|
| Free plan | Yes | Not listed |
| Lowest paid monthly plan | $13.99/month | No monthly plan listed |
| Longest free trial | 7 days | Not listed |
| Plans listed | 4 | Not published |
Listing
| Measure | Appointment Booking Cowlendar | Digital Test Center |
|---|---|---|
| Shopify category rank | #3(ahead) | #134 |
| Shopify App Charts | #1 in Event booking | Not on this week’s charts |
| Built for Shopify | Yes | No |
| Launched | Jan 21, 2022 | Apr 17, 2026 |
| Languages | 6 | 2 |
| Developer | Booking Appointment Cowlendar | (nineteen)² |
FAQ
Appointment Booking Cowlendar and Digital Test Center: common questions
- Is Appointment Booking Cowlendar or Digital Test Center cheaper?
- Only Appointment Booking Cowlendar lists a free plan. 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?
- Appointment Booking Cowlendar lists 31 the others don’t mention, such as Appointments, Block dates, Calendar, Calendar widget. 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 Nov 9, 2026 for Appointment Booking Cowlendar, Apr 22, 2026 for Digital Test Center; 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 Nov 9, 2026 for Appointment Booking Cowlendar, Apr 22, 2026 for Digital Test Center. 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.