Eggflow vs Preorder, Back In Stock ‑ STOQ
Side-by-side comparison · 24 data points
Preorder, Back In Stock ‑ STOQ
Sell preorder & backorders with partial payments. Send Back in stock alerts on restock to waitlists!
Built for ShopifyShopifyFree plan available
At a glance
| Metric | Preorder, Back In Stock ‑ STOQ | Eggflow: Instant Upsell |
|---|---|---|
| Rating | ★ 5.0 ★ | 4.1 ★ |
| Total reviews | ★ 3.1k | 4 |
| Free plan | Yes | Yes |
| Pricing | Free plan available | Free plan available |
| Built for Shopify | ★ Yes | — |
| Pricing tiers | ★ 4 tiers | 3 tiers |
| Listed features | ★ 5 | 4 |
| Featured placements | 2 | — |
| Languages | 24 supported | 1 supported |
| Listed since | Nov 2021 | Jul 2019 |
AppRanks verdict
Generated from live data on this pageBased on the data on this page, Preorder, Back In Stock ‑ STOQ is the stronger choice for most Shopify App Store merchants — 5.0★ vs Eggflow: Instant Upsell's 4.1★ is a meaningful gap that usually reflects real product or support quality differences across the user base. Pricing entry tiers: Preorder, Back In Stock ‑ STOQ at Free plan available, Eggflow: Instant Upsell at Free plan available. Check each app's tier structure for the capacity limits you actually need before deciding — the headline number is the same shape, but the gating shape per tier (apps, orders, integrations) varies. Preorder, Back In Stock ‑ STOQ has the larger user base (3,099 reviews vs 4), which usually maps to broader integration coverage, faster bug-fix cadence, and a deeper bench of community workflow patterns. Eggflow: Instant Upsell's smaller cohort can be an advantage for niche workflows where the bigger app has accumulated bloat. Recommended by store size: small/early-stage merchants who need fast install and low risk should default to Preorder, Back In Stock ‑ STOQ; mid-market and enterprise merchants with specific feature requirements should evaluate both — Eggflow: Instant Upsell's 4-review base may include the workflow context that matches your specific use case better than Preorder, Back In Stock ‑ STOQ's broader-but-shallower coverage. This verdict is generated from the live marketplace data on this page — rating, review count, pricing tier, and category position all refresh from the canonical Shopify App Store listing every 24 hours. AppRanks does not accept payment to influence comparison outcomes; the methodology is documented on the About page and applies identically to every pair on the site.
Read each app's audit: Preorder, Back In Stock ‑ STOQ audit • Eggflow: Instant Upsell audit
1. Listing metadata
Field-level data| Preorder, Back In Stock ‑ STOQ | Eggflow | |
|---|---|---|
| Tagline | ||
| Description | ||
| Screenshots | images | images |
| Languages | ||
| Platforms | ||
| Developer | ||
| Listed | ||
| Last updated | — | — |
2. Pricing & plans
Listed prices · monthly · USDTier
Preorder, Back In Stock ‑ STOQ
Eggflow
Free
Free
—
- 10 preorders per mo.
- 30 email per mo.
- Notify me, Preorder widget
- Customize everything
- Unlimited registrations
- Automatic restock alerts
- 24*7 live chat support
Free
—
- One-Click upsell
- Promote discount code on the web-store
- Custom messages
- Support changing languages
Paid #1
Lite
10
- 100 preorders per mo.
- 1,000 email/SMS per mo.*
- No transaction fee
- All features unlocked
- Remove branding
- 24*7 live chat support
- Free features
Pro
5
- 7 Day Free Trial
- Combine and Stackable Discount Code
- Facebook Pixel and Pinterest Tracking
- Whitelabel
- All features in Free Plan
Paid #2
Pro
29
- 400 preorders per mo.
- 2,000 email/SMS alerts per mo.*
- No transaction fee
- All features unlocked
- 24*7 live chat support
Extra
49
- Premium for all Eggflow Apps
- Instant Upsell
- Smart PopUp
- Instant Traffic
- Shop Secure
- Instant Buy
- Instant Giveaway
Paid #3
Ultimate
69
- Unlimited preorders per mo.
- Unlimited email/SMS alerts per mo.*
- No transaction fees
- All features unlocked
- 24*7 live chat support
—
3. Features
As listed by each developerPreorder, Back In Stock ‑ STOQ
- Add Preorder or Notify me widget to your out of stock products in minutes
- Customize preorder button, restock alerts to match your brand, with 24*7 help
- Send back in stock email/SMS alerts to waitlist when you restock automatically
- Set up preorder, presales, back orders, deposit or partial payment orders
- B2B preorders, sync mailing list w/ Klaviyo, connect markets, locations & more
Eggflow
- Easy in-store coupon promotion - easy upsell
- Total control over discounts appearance
- One-click creation and bulk synchronized
- Statistic and report impressions and redeem coupons
4. Categories & rankings
Shared categories on the same row · in-category position inline5. Category features
Marketplace-curated features per categoryPre-orders0 shared · 28 total
Preorder, Back In Stock ‑ STOQ
- Back orders
- Coming soon
- Crowdfunding
- Made-to-order
- Out of stock
- Pre-sales
- Product drops
- Availability date
- Badges
- Banners
- Buttons
- Countdown timers
- Custom branding
- Custom text
- Email notifications
- Multi-language
- Order limits
- SMS notifications
- Variants
- Deferred payments
- Deposits
- Discounts
- Manual payment
- Mixed cart
- Partial payments
- Payment reminders
- Split payments
- Split shipping
Eggflow
- —Back orders
- —Coming soon
- —Crowdfunding
- —Made-to-order
- —Out of stock
- —Pre-sales
- —Product drops
- —Availability date
- —Badges
- —Banners
- —Buttons
- —Countdown timers
- —Custom branding
- —Custom text
- —Email notifications
- —Multi-language
- —Order limits
- —SMS notifications
- —Variants
- —Deferred payments
- —Deposits
- —Discounts
- —Manual payment
- —Mixed cart
- —Partial payments
- —Payment reminders
- —Split payments
- —Split shipping
Stock alerts0 shared · 19 total
Preorder, Back In Stock ‑ STOQ
- Auto-alerts
- Back in stock
- Batch send
- Custom alerts
- Manual alerts
- Multi-language
- Out of stock
- Pre-orders
- SMS
- Alert settings
- Notification button
- Notification templates
- Pop-ups
- Waitlists
- Customer demand
- Inventory reports
- Inventory tracking
- Performance reports
Eggflow
- —Auto-alerts
- —Back in stock
- —Batch send
- —Custom alerts
- —Manual alerts
- —Multi-language
- —Out of stock
- —Pre-orders
- —SMS
- —Alert settings
- —Notification button
- —Notification templates
- —Pop-ups
- —Waitlists
- —Customer demand
- —Inventory reports
- —Inventory tracking
- —Performance reports
Banners0 shared · 13 total
Preorder, Back In Stock ‑ STOQ
- —Email signup
- —Free shipping
- —Personalized recommendations
- —Product page
- —Promotional
- —Banner position
- —Custom CSS
- —Links and buttons
- —Multi-language
- —Sticky display
- —Performance tracking
- —Real-time analytics
- —Traffic reports
Eggflow
- Email signup
- Free shipping
- Personalized recommendations
- Product page
- Promotional
- Banner position
- Custom CSS
- Links and buttons
- Multi-language
- Sticky display
- Performance tracking
- Real-time analytics
- Traffic reports
Discounts0 shared · 8 total
Preorder, Back In Stock ‑ STOQ
- —Bulk discounts
- —Cart discounts
- —Checkout discounts
- —Coupons
- —Upsell discounts
- —Volume discounts
- —APIs and webhooks
- —Automations
Eggflow
- Bulk discounts
- Cart discounts
- Checkout discounts
- Coupons
- Upsell discounts
- Volume discounts
- APIs and webhooks
- Automations
5. Search rankings
Top 5 keywords · shared rankings prioritized| Keyword | Preorder, Back In Stock ‑ STOQ | Eggflow |
|---|---|---|
| help desk software | #20 | Not ranked |
| helpdesk software | #43 | Not ranked |
| instagram agent | Not ranked | #95 |
| instagram chat | Not ranked | #136 |
| #222 | Not ranked |
6. Featured placements & badges
Editorial visibilityPreorder, Back In Stock ‑ STOQ2 all-time · 2 recent
- category · Upsell and bundlesMay 19, 2026
- category · Recommended upsell and bundle appsMay 18, 2026
Eggflow0 all-time · 0 recent
Not featured in any section recently.
7. Activity in the last 90 days
Tracked changes · pricing, features, copy, screenshotsPreorder, Back In Stock ‑ STOQ · 3 changes
- May 3descriptionListing copy updated
- Apr 16descriptionListing copy updated
- Apr 12descriptionListing copy updated
Eggflow · 0 changes
No tracked changes.
9. App details
Long-form description · keyword frequencyPreorder, Back In Stock ‑ STOQ
Use STOQ's Preorder or Notify Me button to create waitlists for out of stock products. Offer pre-order, backorder, presales with deposits or partial payment and unlock preorder revenue today. Or send back in stock when you restock via email/SMS automatically. Customize everything with 24*7 help. With STOQ, send back in stock alerts and get preorders with many features built for you - multiple locations, Klaviyo sync & back in stock emails, analytics, markets, reminder alerts & more!
Top keywords
- stock4×5.19%
- back3×3.90%
- back in stock3×3.90%
- alerts2×2.60%
- preorder2×2.60%
- send2×2.60%
- send back2×2.60%
Eggflow
Instant Upsell allows you to create discounted upsells automatically in one click. The offers appear as banners that customers can click to apply coupons right away. Encourage your customers to buy more with targeted incentives. When a customer browses a product, the related coupon will pop up. Display your discount offers nicely on all types of screens and devices.
Top keywords
- click2×3.39%
- customers2×3.39%
- offers2×3.39%
Frequently asked
Common questions about this comparisonIs Preorder, Back In Stock ‑ STOQ or Eggflow: Instant Upsell cheaper?
Both Preorder, Back In Stock ‑ STOQ and Eggflow: Instant Upsell offer paid plans only. Preorder, Back In Stock ‑ STOQ starts at Free plan available; Eggflow: Instant Upsell starts at Free plan available. Compare the per-tier features in the Pricing section above before committing.
Which has better reviews, Preorder, Back In Stock ‑ STOQ or Eggflow: Instant Upsell?
Preorder, Back In Stock ‑ STOQ has the higher average rating (5.0★ from 3,099 reviews) compared to Eggflow: Instant Upsell (4.1★ from 4 reviews). Both are tracked daily by AppRanks, so the figures here update each refresh cycle.
Should I choose Preorder, Back In Stock ‑ STOQ or Eggflow: Instant Upsell?
It depends on what you're optimizing for. Preorder, Back In Stock ‑ STOQ fits better if you prioritize rating consistency; Eggflow: Instant Upsell is the call if you need the larger user base. Read both apps' detail pages on AppRanks for the full feature breakdown, install counts, and recent listing changes.
Which is faster to set up, Preorder, Back In Stock ‑ STOQ or Eggflow: Instant Upsell?
Both apps are one-click installs from the Shopify App Store marketplace. Preorder, Back In Stock ‑ STOQ has more onboarding documentation maturity (3,099 reviews vs 4), which usually translates to better-tested setup wizards and quicker time-to-value. AppRanks doesn't measure setup time directly — read the recent reviews on each app's detail page for merchant-reported install experience.
Which works better for small vs large Shopify App Store stores?
Preorder, Back In Stock ‑ STOQ typically suits early-stage and growth-mode stores based on its review-base composition (3,099 reviews). Eggflow: Instant Upsell aligns more with early-stage and growth-mode stores (4 reviews). Larger review bases generally mean the app has been load-tested at scale — relevant if you're processing high order volume or handling enterprise compliance requirements.
Can I migrate data between Preorder, Back In Stock ‑ STOQ and Eggflow: Instant Upsell?
Migration support varies by app and category. Preorder, Back In Stock ‑ STOQ and Eggflow: Instant Upsell both publish their export options on their marketplace listing pages (or in their support docs); some apps offer one-click import from competitors, others require CSV. The fastest check: search "import from Eggflow: Instant Upsell" in each app's help center. AppRanks does not track migration tooling directly — this is a category-specific capability worth verifying before commitment.
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