Flex Theme Sections vs Pent Library: Pages & Upsells
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Oct 13, 2026 for Flex Theme Sections, Nov 4, 2026 for Pent Library.
The short answer
- On the Shopify App Store: Flex Theme Sections 5.0 from 4 reviews and Pent Library 5.0 from 10 reviews.
- Both list a free plan. Paid plans start at $5/month for Flex Theme Sections and $20/month for Pent Library.
- Pent Library lists 19 features Flex Theme Sections’s listing doesn’t mention, including 404 pages, A/B testing, Bulk editing.
Head to head
Momentum
New reviews each month
Review pace is the clearest public read on how fast an app is winning new merchants.
Always-FREE
- · 4 tools to manage images
- · Brand guidelines tool
- · Email support
- · Product metafields tool
- · Will always remain free
All-Access Plan
- · 10+ sections for blogs and articles
- · 10+ sections for cart templates
- · 10+ sections for the homepage
- · 20+ sections for page templates
- · 20+ sections for product templates
- · 6 tools to help you manage your store
Free
- · Branding editor
- · Library updates
- · Page template previews
- · Start with sections that fits the brand
- · Up to 2 installed sections
Full Access
- · Cart drawers & upsells
- · Page templates & branding editor
- · Priority support
- · Product add-ons & build-your-own bundles
- · Quantity discounts & gifts with purchase
- · Unlimited installed sections
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureThe Flex theme is a robust theme with many sections. But if you don't like those sections or need something extra you are stuck with hard-to-learn page-builder apps or expensive developers. JadePuma is solving that issue with a section library full of plug-an-play customizable sections, that you can simply add to the Flex on your store and customize in the theme editor.
Build a storefront that feels like your brand. Browse theme sections and page templates, then customize colors and fonts. Add product recommendations, build-your-own bundles, quantity discounts, gifts with purchase and cart upsells. Preview layouts before installing and finish setup in Shopify’s theme editor. Templates use your section allowance; home pages use guided setup. Selling tools require Grow or Full Access.
- Browse and find sections. Add to Flex theme. Edit from Shopifys theme editor.
- Upgrade your existing theme with new theme sections. No need to start over.
- Try section first. Experiment with sections before committing
- Quick and friendly customer support.
- Boost conversions with sections inspired by top-performing stores
- Fully customizable to fit your brand
- Explore new components added each month to enhance design and functionality
- Build faster and better with our library of pre-built theme sections
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 |  Flex Theme Sections |  Pent Library |
|---|---|---|
| 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 | Flex Theme Sections | Pent Library |
|---|---|---|
| App Store rating | 5.0 ★ | 5.0 ★ |
| App Store reviews | 4 | 10(ahead) |
| New reviews, 28 days | 0 | Not enough data |
| Reviewers a year or more in | Not enough data | Not enough data |
Pricing
| Measure | Flex Theme Sections | Pent Library |
|---|---|---|
| Free plan | Yes | Yes |
| Lowest paid monthly plan | $5/month(ahead) | $20/month |
| Longest free trial | Not listed | 7 days |
| Plans listed | 2 | 2 |
Listing
| Measure | Flex Theme Sections | Pent Library |
|---|---|---|
| Shopify category rank | #188 | #81(ahead) |
| Shopify App Charts | Not on this week’s charts | #6 on Pricing moves in Page builder |
| Built for Shopify | No | No |
| Launched | May 3, 2024 | Jan 10, 2025 |
| Languages | 1 | 1 |
| Developer | JadePuma Apps | Pent |
FAQ
Flex Theme Sections and Pent Library: common questions
- Is Flex Theme Sections or Pent Library cheaper?
- Both list a free plan. Paid plans start at $5/month for Flex Theme Sections and $20/month for Pent Library. Shoplist compares base prices only between monthly plans in the same currency; usage charges and annual plans vary, so check each plan’s limits.
- Which has better reviews, Flex Theme Sections or Pent Library?
- On the Shopify App Store: Flex Theme Sections 5.0 from 4 reviews and Pent Library 5.0 from 10 reviews.
- What features does each app list that the other doesn’t?
- Pent Library lists 19 the others don’t mention, such as 404 pages, A/B testing, Bulk editing, Career pages. 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 13, 2026 for Flex Theme Sections, Nov 4, 2026 for Pent Library; 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 13, 2026 for Flex Theme Sections, Nov 4, 2026 for Pent Library. 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.