FLINT Sentry vs Mastiff Chat
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Oct 13, 2026.
The short answer
- Only FLINT Sentry lists a free plan. Paid plans start at $29/month for FLINT Sentry and $49/month for Mastiff Chat.
- FLINT Sentry lists 8 features Mastiff Chat’s listing doesn’t mention, including AI-powered detection, Bot detection, Bots.
Head to head
Free
- · Compare agent and human order value
- · Free agent-commerce dashboard
- · Get one prioritized readiness fix
- · Measure your store's AI agent readiness
- · Real-time detection, up to 2,000 orders
- · Scan 60 days of past agent activity
Pro
- · Advisory risk in Shopify's panel
- · Alerts with clear reason codes
- · Everything in Free +
- · Full AI agent readiness fix list
- · Label orders Legitimate or Suspicious
- · Results written onto Shopify orders
Basic
- · 2,000 messages/month (then $0.03 each)
- · Customized protection for your shop
- · Evaluate every message for abuse
- · Full AI chatbot functionality
- · Three-layer compliance guardrails
Pro
- · 3,250 messages/month (then $0.025 each)
- · Advanced compliance reporting
- · Everything in Basic
- · Instantly reject repeat abuse
- · Priority support
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureAgentic commerce is here. Some automated traffic is malicious; some is a legitimate AI shopper ready to buy. FLINT Sentry helps you tell the difference by identifying agent-driven orders, showing which AI assistant was involved, and checking identity and purchase-authority evidence. Review alerts, reason codes, and signed records in Shopify Admin, then label orders Legitimate or Suspicious.
Full AI chatbot functionality, with added protection against leaks, sensitive data exposure, and prompt injection. Mastiff Chat installs guardrails between your Shopify store and your AI chatbot, evaluating all incoming and outgoing messages for potential abuse.
- See AI agent orders in real time (Claude, ChatGPT, Perplexity, and more)
- Fraud checks built for AI agents: risky orders held for review, you decide
- Signed evidence record on every verified order, ready for chargeback disputes
- AI Agent-Readiness Score: simple fixes that help good agents buy from you
- Three-layer AI screening blocks sensitive data from chat responses.
- Chat widget auto-installs on your storefront. No code required.
- Live order lookup and product search come standard.
- Compliance audit log tracks every screened and blocked message.
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 |  FLINT Sentry |  Mastiff Chat |
|---|---|---|
| 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 | FLINT Sentry | Mastiff Chat |
|---|---|---|
| App Store rating | Not published | Not published |
| App Store reviews | Not published | 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 | FLINT Sentry | Mastiff Chat |
|---|---|---|
| Free plan | Yes | Not listed |
| Lowest paid monthly plan | $29/month(ahead) | $49/month |
| Longest free trial | 30 days | 7 days |
| Plans listed | 2 | 2 |
Listing
| Measure | FLINT Sentry | Mastiff Chat |
|---|---|---|
| Shopify category rank | #208 | #120 |
| Shopify App Charts | Not on this week’s charts | Not on this week’s charts |
| Built for Shopify | No | No |
| Launched | Jul 17, 2026 | May 19, 2026 |
| Languages | 1 | 1 |
| Developer | KillChain, Inc. d/b/a FLINT Network | CapyBearHug LLC |
FAQ
FLINT Sentry and Mastiff Chat: common questions
- Is FLINT Sentry or Mastiff Chat cheaper?
- Only FLINT Sentry lists a free plan. Paid plans start at $29/month for FLINT Sentry and $49/month for Mastiff Chat. 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?
- FLINT Sentry lists 8 the others don’t mention, such as AI-powered detection, Bot detection, Bots, Chargebacks. 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; 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. 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.