Accelerate Shopify AOV with
Zero-Latency Volume Discounts
Launch high-converting tiered volume breaks and animated in-cart drawer upsells. Built natively on Shopify Functions to execute serverless at the edge in <5ms. Zero theme code injection, zero cart slowdown, 100% Shop Pay compatible.
Interactive Storefront Simulator
Experience how TierBoost synchronizes product page volume packs with in-cart drawer upsells in real time.
The Collection Snowboard: Hydrogen
Why Shopify Functions Change Everything
Legacy volume discount apps were built on fragile cart hacks: slow draft order redirects, frontend DOM scraping, and deprecated Shopify Scripts. TierBoost was engineered from scratch on Shopify’s modern serverless backend architecture.
| Architectural Feature | TierBoost (Shopify Functions) | Legacy Cart Hack Apps |
|---|---|---|
| Execution Speed | < 5ms (Serverless Wasm) | 2,500ms – 4,000ms (AJAX ping-pong) |
| Express Checkout Compatibility | 100% Shop Pay, Apple Pay & Google Pay | Frequently fails or bypasses discounts |
| Theme File Alterations | 0 Liquid files edited (100% App Blocks) | Edits theme.liquid & cart templates |
| Core Web Vitals Impact | Zero Layout Shift (CLS < 0.01), < 4KB JS | Heavy JS bundles (150KB+) causing layout shifts |
| Discount Stacking & Rules | Shopify Native Combinations API | Clashes with native coupon codes |
| Theme Update Compatibility | Never breaks on theme upgrades | Breaks when merchants change themes |
Engineered for Wholesale & Retail Scale
Every feature built for conversion, speed, and absolute layout stability.
Dynamic Multi-Tier Breaks
Configure unlimited volume tiers (Buy 2 get 10% off, Buy 3 get 20% off) targeting all products, specific collections, or specific SKUs.
- Percentage or fixed amount discounts
- Custom badges (“Most Popular”)
- Automatic unit price calculation
In-Cart Progress Bar
Motivate shoppers right at the moment of highest purchase intent. Dynamic progress bars update automatically inside slide-out drawers.
- Dynamic percentage fill bar
- 1-click “+ Add 1 More” quick add
- Celebration state on max tier unlock
Wholesale B2B Customer Gating
Restrict volume pricing rules to specific tagged wholesale customers (e.g. b2b or wholesale) without paying for Shopify Plus.
- Tag-based visibility evaluation
- Seamless coexistence with retail shoppers
- Zero draft order manual creation delay
Flat, Predictable Monthly Plans
No GMV commissions. No transaction fees. 14-day risk-free trial on all tiers.
Perfect for growing stores testing volume pricing for the first time.
- Up to 3 tiers per product
- Shopify Functions <5ms engine
- All 3 layout presets (Cards, Pills, Tables)
- 100% Shop Pay compatible
- Standard email support
Designed for stores maximizing cart conversion and average order value.
- Unlimited volume discount rules
- In-Cart Dynamic Upsell Progress Bar
- Custom CSS styling controls
- AOV Lift tracking analytics
- Priority support
Built for high-volume catalogs and wholesale B2B merchants.
- Everything in Pro Growth
- B2B Wholesale Customer Tag Gating
- Collection & SKU-level exclusions
- Dedicated migration assistance
- 24-hour SLA priority assistance