Lemin CAPTCHA vs SpamShield
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, Nov 2, 2026 for SpamShield.
The short answer
- Only SpamShield lists a free plan.
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
- · 2,500 spam checks per month
- · 7-day message retention
- · Contact, newsletter, and blog forms
- · Decision reasons and spam signals
Starter
- · 10,000 spam checks per month
- · 30-day message retention
- · AI checks using your own AI key
- · Webhook notifications
Pro
- · 50,000 spam checks per month
- · 90-day message retention
- · AI checks using your own AI key
- · CSV export for message reviews
- · Public API and webhook notifications
Enterprise
- · 365-day message retention
- · AI checks using your own AI key
- · CSV export and custom integrations
- · Public API and webhook notifications
- · Unlimited spam checks
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.
SpamShield filters unwanted submissions before they reach your inbox. It checks sender reputation, content patterns, bot behaviour, and optional AI signals, then explains each decision. Enable the app embed in your current theme to protect supported storefront forms. Review blocked and quarantined messages, tune sensitivity and custom rules, run safe tests in Shopify admin, and receive activity summaries.
- 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.
- AI-powered spam detection blocks bots and fraud without CAPTCHAs, so real custom
- Smart quarantine lets you review flagged messages and release false positives wi
- Detailed analytics dashboard and weekly email digests keep you informed about sp
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 |  SpamShield |
|---|---|---|
| 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 | SpamShield |
|---|---|---|
| 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 | SpamShield |
|---|---|---|
| Free plan | Not listed | Yes |
| Lowest paid monthly plan | No monthly plan listed | $4.99/month |
| Longest free trial | Not listed | 14 days |
| Plans listed | 1 | 4 |
Listing
| Measure | Lemin CAPTCHA | SpamShield |
|---|---|---|
| Shopify category rank | #159 | #27 |
| Shopify App Charts | Not on this week’s charts | Not on this week’s charts |
| Built for Shopify | No | No |
| Launched | Jun 5, 2024 | May 7, 2026 |
| Languages | 1 | 1 |
| Developer | Lemin | JMS Dev Lab |
FAQ
Lemin CAPTCHA and SpamShield: common questions
- Is Lemin CAPTCHA or SpamShield cheaper?
- Only SpamShield 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.
- 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, Nov 2, 2026 for SpamShield; 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, Nov 2, 2026 for SpamShield. 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.