RentalFlow ‑ Product Rentals vs ShipFlow ‑ UPS Integration
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Nov 2, 2026 for RentalFlow, Oct 29, 2026 for ShipFlow.
The short answer
- Only ShipFlow lists a free plan. Paid plans start at $39/month for RentalFlow and $2.49/month for ShipFlow.
- ShipFlow lists 8 features RentalFlow’s listing doesn’t mention, including Branded tracking page, Bulk printing, Carrier selection.
Head to head
RentalFlow Pro
- · Calendar sync (Google/Apple/Outlook)
- · Delivery and return confirmation flow
- · Mobile-responsive dashboard
- · No separate booking app needed
- · Own stock count, Shopify stock unchanged
- · Prevents double-booking automatically
Free
- · 50 labels / month
- · All carriers
- · Standard tracking (10 min)
Starter
- · 100 labels / month
- · All carriers
- · Email support
- · Standard tracking (10 min)
Growth
- · 500 labels / month
- · All carriers
- · Email support
- · Standard tracking (10 min)
Pro
- · 1,000 labels / month
- · All carriers
- · Email support
- · Priority tracking (5 min)
- · Webhook support
Business
- · 9,900 labels / month
- · All features
- · Email support
- · Priority tracking (5 min)
- · Webhook support
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureMost rental businesses use separate apps for booking, delivery scheduling, inventory tracking, and calendar management. RentalFlow combines all four into one tool. Customers select delivery and pickup dates on your product pages. RentalFlow keeps its own count of what you own, so your Shopify stock never changes. Manage deliveries and returns from your phone. Syncs with Google, Apple, and Outlook calendars.
Create carrier shipping labels for your Shopify orders in one click. Print from the order page, and let ShipFlow keep tracking + fulfillment in sync as parcels move. Supported carriers: Ups
- Date-range inventory tracking prevents double-booking across all rental periods
- Delivery and return confirmation with automatic Shopify inventory sync
- Calendar feed integration for Google Calendar Apple Calendar and Outlook
- Dual address collection with zip code service area validation
- One-click labels — pick a carrier, hit print, done. No copy-paste of addresses.
- Native to Shopify — labels and tracking live inside the order page.
- Auto-tracking — status flows back into Shopify until "Delivered".
- Multi-carrier — connect DHL eCommerce today; more carriers being added.
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 |  RentalFlow |  ShipFlow |
|---|---|---|
| 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 | RentalFlow | ShipFlow |
|---|---|---|
| App Store rating | Not published | Not published |
| App Store reviews | Not published | Not published |
| New reviews, 28 days | Not enough data | Not enough data |
| Reviewers a year or more in | Not enough data | Not enough data |
Pricing
| Measure | RentalFlow | ShipFlow |
|---|---|---|
| Free plan | Not listed | Yes |
| Lowest paid monthly plan | $39/month | $2.49/month(ahead) |
| Longest free trial | 14 days | Not listed |
| Plans listed | 1 | 5 |
Listing
| Measure | RentalFlow | ShipFlow |
|---|---|---|
| Shopify category rank | #83 | #819 |
| Shopify App Charts | Not on this week’s charts | #15 on Pricing moves in Shipping |
| Built for Shopify | No | No |
| Launched | Mar 6, 2026 | Sep 2, 2026 |
| Languages | 1 | 2 |
| Developer | James Builds | Zerotab |
FAQ
RentalFlow and ShipFlow: common questions
- Is RentalFlow or ShipFlow cheaper?
- Only ShipFlow lists a free plan. Paid plans start at $39/month for RentalFlow and $2.49/month for ShipFlow. 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?
- RentalFlow lists 3 the others don’t mention, such as Dashboards, Order lookup page, Real-time tracking. ShipFlow lists 8 the others don’t mention, such as Branded tracking page, Bulk printing, Carrier selection, Custom tracking link. 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 2, 2026 for RentalFlow, Oct 29, 2026 for ShipFlow; 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 2, 2026 for RentalFlow, Oct 29, 2026 for ShipFlow. 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.