Dia: AI Chatbot & Assistant vs Fastrr Assist
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Nov 9, 2026 for Dia, Oct 19, 2026 for Fastrr Assist.
The short answer
- Only Dia lists a free plan. Paid plans start at $19/month for Dia and $109/month for Fastrr Assist.
- Fastrr Assist lists 32 features Dia’s listing doesn’t mention, including Agent analytics, Behavior tracking, Business hours.
Head to head
- United States
- United Kingdom
- France
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
Starter
Growth
Business
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.
EVA is your store's AI sales and support assistant powered by Shiprocket. It engages every visitor, answers product queries, and resolves order tracking questions instantly, 24/7 without a support agent. EVA's Inbox turns thousands of shopper conversations into clear revenue signals: out-of-stock demand, lost pincodes, revenue blockers, and unanswered safety questions ranked by revenue at risk.
- 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
- 24/7 AI Sales Assistant - Guides visitors from browse to checkout, always on.
- Instant Order Tracking - Real-time WISMO via order ID or phone. Zero tickets.
- Revenue Intelligence Inbox - See what's blocking sales, ranked by rupees lost.
- Brand-Native Widget - Match your store's look and tone. No code, no dev needed.
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 |  Fastrr Assist |
|---|---|---|
| Detected stores | 21 | 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 | Apparel & Accessories, Home & Garden, Health & Beauty | Not published |
| Top store countries | United States, United Kingdom, France | Not published |
Reviews
| Measure | Dia | Fastrr Assist |
|---|---|---|
| App Store rating | 5.0 ★ | Not published |
| App Store reviews | 3 | 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 | Dia | Fastrr Assist |
|---|---|---|
| Free plan | Yes | Not listed |
| Lowest paid monthly plan | $19/month(ahead) | $109/month |
| Longest free trial | 7 days | 7 days |
| Plans listed | 4 | 3 |
Listing
| Measure | Dia | Fastrr Assist |
|---|---|---|
| Shopify category rank | #286(ahead) | #817 |
| Shopify App Charts | Not on this week’s charts | Not on this week’s charts |
| Built for Shopify | No | No |
| Launched | May 8, 2026 | Jul 17, 2026 |
| Languages | 1 | 14 |
| Developer | Piyonk Software | Shiprocket |
FAQ
Dia and Fastrr Assist: common questions
- Is Dia or Fastrr Assist cheaper?
- Only Dia lists a free plan. Paid plans start at $19/month for Dia and $109/month for Fastrr Assist. 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?
- Dia lists 1 the others don’t mention, such as Cart upsell. Fastrr Assist lists 32 the others don’t mention, such as Agent analytics, Behavior tracking, Business hours, Cart recovery. 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 9, 2026 for Dia, Oct 19, 2026 for Fastrr Assist; 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 9, 2026 for Dia, Oct 19, 2026 for Fastrr Assist. 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.