Lemin CAPTCHA vs Sentri ‑ Bot Protection
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Oct 14, 2026 for Lemin CAPTCHA, Oct 13, 2026 for Sentri.
The short answer
- Only Sentri lists a free plan.
- Sentri lists 17 features Lemin CAPTCHA’s listing doesn’t mention, including AI-powered detection, App notifications, Blocklists.
Head to head
Momentum
New reviews each month
Review pace is the clearest public read on how fast an app is winning new merchants.
Free
Free
- · Basic Bot & Scraper Mitigation
- · Basic Content Shield
- · Search & AI Crawler Controls
- · Storefront Security & Integrity Scanner
- · Up to 3 Country Block Rules
Pro Plan
- · Ad Pixel Protection
- · All Free Plan features included
- · Automated Daily & Weekly Threat Digest R
- · Developer Tools & Code Inspection Shield
- · Email Threat Alerts
- · Hosting Datacenter & ASN Filtering
Enterprise Plan
- · AbuseIPDB Threat Intelligence Integratio
- · All Pro Plan features included
- · Checkout Rate Limiting & Carding Shield
- · Custom SMTP Server Integration
- · Customer Field Blacklists
- · Slack, Discord & Webhook Spike Alerts
Pro Plan (Annual)
- · Ad Pixel Scraping Protection
- · All Free Plan features included
- · DevTools & Code Inspection Shield
- · Email Threat Alerts & Digest Reports
- · Hosting Datacenter & ASN Filtering
- · Save 16% with annual billing
Enterprise Annual
- · AbuseIPDB Threat Intelligence Integratio
- · All Pro Plan features included
- · Checkout Rate Limiting & Carding Shield
- · Customer Field Blacklists
- · Save 16%
- · Slack, Discord & Webhook Spike Alerts
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureLemin Captcha is an easy-to-implement security solution designed to protect your website from brute-force attacks and malicious bots. Its game-based design offers a user-friendly experience, making security steps simple and enjoyable for genuine users while effectively keeping threats at bay. The integration process is quick, requiring just a JavaScript tag.
Sentri delivers enterprise-grade security to safeguard your storefront against automated bots, commercial VPN abuse, and competitor spy extensions. By blocking malicious traffic before it impacts your store, Sentri protects product catalogs, image assets, and server resources. Suspicious visitors face frictionless Cloudflare Turnstile challenges, ensuring real customers enjoy a seamless shopping experience.
- Protection against brute-force, credential stuffing, and bot attacks.
- User-friendly game-based captchas provide a seamless verification experience.
- Customizable captchas to align perfectly with your brand's style and aesthetics.
- Block automated bots, commercial VPNs, proxies, and Tor exit nodes in real time
- Protect store catalog, prices, and images from competitor spy tools & scrapers
- Frictionless Cloudflare Turnstile CAPTCHA verification for suspicious traffic
- Disable context menu, text selection, and inspector shortcuts with Content Shiel
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 |  Lemin CAPTCHA |  Sentri |
|---|---|---|
| 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 | Lemin CAPTCHA | Sentri |
|---|---|---|
| App Store rating | 1.0 ★ | Not published |
| App Store reviews | 2 | 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 | Lemin CAPTCHA | Sentri |
|---|---|---|
| Free plan | Not listed | Yes |
| Lowest paid monthly plan | No monthly plan listed | $14.99/month |
| Longest free trial | Not listed | 7 days |
| Plans listed | 1 | 5 |
Listing
| Measure | Lemin CAPTCHA | Sentri |
|---|---|---|
| Shopify category rank | #159 | #149(ahead) |
| Shopify App Charts | Not on this week’s charts | Not on this week’s charts |
| Built for Shopify | No | No |
| Launched | Jun 5, 2024 | Aug 20, 2026 |
| Languages | 1 | 1 |
| Developer | Lemin | Kashif Khan |
FAQ
Lemin CAPTCHA and Sentri: common questions
- Is Lemin CAPTCHA or Sentri cheaper?
- Only Sentri lists a free plan. 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?
- Sentri lists 17 the others don’t mention, such as AI-powered detection, App notifications, Blocklists, Bot detection. 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 14, 2026 for Lemin CAPTCHA, Oct 13, 2026 for Sentri; 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 14, 2026 for Lemin CAPTCHA, Oct 13, 2026 for Sentri. 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.