AvailableON vs Calla ‑ Delivery & Pickup Date
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Nov 3, 2026.
The short answer
- AvailableON is detected on 9× as many Shopify stores as Calla: 9 vs 1 as of Nov 3, 2026.
- Both list a free plan. Paid plans start at $9.99/month for AvailableON and $7.99/month for Calla.
- Calla lists 17 features AvailableON’s listing doesn’t mention, including Analytics, Block dates, Curbside.
Head to head
- United States
- United Kingdom
- Australia
Momentum
New reviews each month
Review pace is the clearest public read on how fast an app is winning new merchants.
Free
- · 1 active availability rule
- · Automatic checkout protection
- · Manual product selection
- · Storefront communication widgets
- · Weekly availability scheduling
Full
- · Advanced availability scheduling
- · Advanced product targeting
- · Automatic checkout protection
- · Storefront communication widgets
- · Unlimited availability rules
Basic
- · Cart & product page date picker
- · Disable specific weekdays
- · Easy design & customization
- · Multi-language auto translate & adapt
- · Order management
- · Thank you & order status extension
Pro
- · Adding Surcharge on specific day
- · Advanced order dashboard management
- · All in Basic plus
- · Blackout specific days
- · Cut-off times same day, next day
- · Time slot selection
Elite
- · 20 Dynamic Rules (advanced logic)
- · All in Basic & Pro plus
- · Customizable fulfillment text
- · Date-based promotions on slow days
- · Limit orders per time slot
- · Shopify Plus: Checkout delivery display
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureRun a bakery, flower shop, meal-prep store, or another business that sells products only on certain days or times? AvailableON lets you set recurring weekly schedules, active date ranges, and excluded dates for each product. Show shoppers when ordering opens or closes with storefront banners, countdowns, and schedules.
Promise a delivery or pickup time and keep it. Calla adds delivery, local delivery, and pickup scheduling to your product page, cart, and checkout so customers choose when they get their order. Keep fulfillment on track with cutoff times, lead times, blackout dates, and per-day caps. Zip/postal code checks show dates only to eligible areas. Manage orders in one dashboard.
- Set selling days and time slots per product
- Block “Add to Cart” outside of schedule
- Avoid out-of-schedule purchases automatically
- Let customers choose delivery date/time on any product page and cart page
- Customize date/time picker settings for each template directly in Theme Editor
- Create your delivery schedule by disabling specific weekdays or specific days
- View and manage delivery dates in a clear table or calendar format via Dashboard
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 |  AvailableON |  Calla |
|---|---|---|
| Detected stores | 9(ahead) | 1 |
| Net store change, 28 days | +1 | 0 |
| Stores added, 28 days | 1 | Not enough data |
| Big-brand share | Not enough data | Not enough data |
| Top store categories | Food, Beverages & Tobacco, Media, Apparel & Accessories | Not published |
| Top store countries | United States, United Kingdom, Australia | Not published |
Reviews
| Measure | AvailableON | Calla |
|---|---|---|
| App Store rating | Not published | 5.0 ★ |
| App Store reviews | Not published | 11 |
| New reviews, 28 days | Not enough data | Not enough data |
| Reviewers a year or more in | Not enough data | Not enough data |
Pricing
| Measure | AvailableON | Calla |
|---|---|---|
| Free plan | Yes | Yes |
| Lowest paid monthly plan | $9.99/month | $7.99/month(ahead) |
| Longest free trial | 7 days | 7 days |
| Plans listed | 2 | 3 |
Listing
| Measure | AvailableON | Calla |
|---|---|---|
| Shopify category rank | #127 | #88 |
| Shopify App Charts | #6 in Product display - Other | Not on this week’s charts |
| Built for Shopify | No | No |
| Launched | Aug 22, 2025 | Jul 19, 2024 |
| Languages | 1 | 15 |
| Developer | MYMCO Stores LLC | Autoserve |
FAQ
AvailableON and Calla: common questions
- Which is more popular, AvailableON or Calla?
- AvailableON is detected on 9× as many Shopify stores as Calla: 9 vs 1 as of Nov 3, 2026.
- Is AvailableON or Calla cheaper?
- Both list a free plan. Paid plans start at $9.99/month for AvailableON and $7.99/month for Calla. 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?
- Calla lists 17 the others don’t mention, such as Analytics, Block dates, Curbside, Custom attributes. 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 3, 2026; 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 3, 2026. 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.