FormSentry spam blocker vs SpamShield
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Oct 13, 2026 for FormSentry spam blocker, Nov 2, 2026 for SpamShield.
The short answer
- Only SpamShield lists a free plan. Paid plans start at $2.99/month for FormSentry spam blocker and $4.99/month for SpamShield.
- FormSentry spam blocker lists 10 features SpamShield’s listing doesn’t mention, including AI-powered detection, Blocklists, Bot detection.
Head to head
Starter
- · 3-day submission history
- · 35 submissions/mo
- · Full spam protection
Pro
- · 3,000 submissions/mo
- · 30-day submission history
- · Email support
- · Full spam protection
- · No FormSentry Badge
- · Sensitivity controls & custom lists
Business
- · 10,000 submissions/mo
- · 90-day submission history
- · Full spam protection
- · No FormSentry Badge
- · Priority support
- · Sensitivity controls & custom lists
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 featureSpam on your contact form wastes time, triggers unwanted email flows, and buries real customer messages. FormSentry checks every submission using behavioral signals, email reputation, and content analysis; then blocks the junk and lets real messages through. Works with contact forms, blog comments, Shopify Forms App and popular form builders.
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.
- Works invisibly. No CAPTCHAs, puzzles, or changes to your forms
- Scores every submission and blocks spam before it reaches your inbox
- Every block comes with a spam score and clear reasons you can review
- Allowlists and blocklists for specific emails, domains, and IP addresses
- 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 |  FormSentry spam blocker |  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 | FormSentry spam blocker | SpamShield |
|---|---|---|
| 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 | FormSentry spam blocker | SpamShield |
|---|---|---|
| Free plan | Not listed | Yes |
| Lowest paid monthly plan | $2.99/month(ahead) | $4.99/month |
| Longest free trial | 7 days | 14 days |
| Plans listed | 3 | 4 |
Listing
| Measure | FormSentry spam blocker | SpamShield |
|---|---|---|
| Shopify category rank | #187 | #27 |
| Shopify App Charts | Not on this week’s charts | Not on this week’s charts |
| Built for Shopify | No | No |
| Launched | Mar 20, 2026 | May 7, 2026 |
| Languages | 10 | 1 |
| Developer | StoreBeam | JMS Dev Lab |
FAQ
FormSentry spam blocker and SpamShield: common questions
- Is FormSentry spam blocker or SpamShield cheaper?
- Only SpamShield lists a free plan. Paid plans start at $2.99/month for FormSentry spam blocker and $4.99/month for SpamShield. 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?
- FormSentry spam blocker lists 10 the others don’t mention, such as AI-powered detection, Blocklists, Bot detection, Bots. 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 for FormSentry spam blocker, 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 13, 2026 for FormSentry spam blocker, 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.