Dia: AI Chatbot & Assistant vs HeyLiza ‑ AI Sales + Upsell
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Nov 4, 2026.
The short answer
- Dia is detected on 5.3× as many Shopify stores as HeyLiza: 21 vs 4 as of Nov 4, 2026.
- On the Shopify App Store: Dia 5.0 from 3 reviews and HeyLiza 5.0 from 3 reviews.
- Both list a free plan. Paid plans start at $19/month for Dia and $299/month for HeyLiza.
- HeyLiza lists 10 features Dia’s listing doesn’t mention, including Agent analytics, Behavior tracking, Checkout upsell.
Head to head
- United States
- United Kingdom
- France
- United States
- Hong Kong
- Venezuela
Momentum
New reviews each month
Review pace is the clearest public read on how fast an app is winning new merchants.
Free
- · 200 replies / month
Launch
- · 3,000 replies / month
Grow
- · 10,000 replies / month
Scale
- · 30,000 replies / month
Free
- · 20 AI shopper conversations / month
- · AI product search & guided selling
- · Email support
- · Post purchase upsell
- · Up to 200 products in Liza’s brain
Growth
- · 500 AI shopper conversations / month
- · Everything in Free+
- · Exit Intent save-the-sale offers
- · Priority support
- · Screen aware context
- · Up to 1,000 products + 500 image search
Scale
- · 2,000 AI shopper conversations / month
- · Everything in Growth+
- · Post-purchase checkout upsells - one tap
- · Revenue analytics see every dollar Liza
- · Virtual try-on - 800 AI previews / month
- · Voice shopping assistant (600 minutes /
Flagship
- · 3,000 virtual try-on previews + 10,000
- · 6,000 AI shopper conversations / month
- · Dedicated onboarding & quarterly AI
- · Early access to new Liza capabilities
- · Everything in Flagship+
- · Everything in Scale: post-purchase upsel
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureDia is an AI Chatbot for Shopify, trained on your products, collections, pages, articles, and store policies. Dia offers a unique and intelligent sales assistant experience. It answers product questions, recommends products smartly, and helps customers with order status requests.
Most online stores let shoppers browse alone, with no one to answer questions or guide them to the product. Liza is an AI sales assistant that lives on your storefront and talks to shoppers through chat, like a helpful in-store associate. She answers product questions, recommends items based on each shopper's needs, suggests relevant add-ons, and presents offers after checkout.
- Answer product questions before shoppers drop off
- Guide undecided shoppers to the suggested product faster
- Cut repetitive support with instant answers and order help
- See which conversations lead to orders and revenue
- Talks with shoppers through chat and voice and answers their product questions
- Recommends products tailored to each shopper's needs and budget
- Suggests relevant add-ons and bundles to maximise order value
- Presents one-click upsell offers to shoppers after checkout
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 |  Dia |  HeyLiza |
|---|---|---|
| Detected stores | 21(ahead) | 4 |
| 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 | Apparel & Accessories, Home & Garden, Health & Beauty | Home & Garden, Food, Beverages & Tobacco, Health & Beauty |
| Top store countries | United States, United Kingdom, France | United States, Hong Kong, Venezuela |
Reviews
| Measure | Dia | HeyLiza |
|---|---|---|
| App Store rating | 5.0 ★ | 5.0 ★ |
| App Store reviews | 3 | 3 |
| New reviews, 28 days | Not enough data | Not enough data |
| Reviewers a year or more in | Not enough data | Not enough data |
FAQ
Dia and HeyLiza: common questions
- Which is more popular, Dia or HeyLiza?
- Dia is detected on 5.3× as many Shopify stores as HeyLiza: 21 vs 4 as of Nov 4, 2026.
- Is Dia or HeyLiza cheaper?
- Both list a free plan. Paid plans start at $19/month for Dia and $299/month for HeyLiza. 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, Dia or HeyLiza?
- On the Shopify App Store: Dia 5.0 from 3 reviews and HeyLiza 5.0 from 3 reviews.
- What features does each app list that the other doesn’t?
- Dia lists 5 the others don’t mention, such as Agent avatar, Cart upsell, Chat buttons, Color and font. HeyLiza lists 10 the others don’t mention, such as Agent analytics, Behavior tracking, Checkout upsell, Cross-sell. 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 4, 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 4, 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.