by Nicolas LESCURE / RadicalSolution
1 (0 reviews)
SOS Captcha — Privacy-First Spam Protection
Privacy-first spam protection with an interactive slider challenge. No tracking, no cookies, no external services. GDPR compliant by design.
Tested up to WP 6.9 (Current: 7.0.2)
v1.0.71
Current Version v1.0.71
Updated 2 months ago
Last Update on 07 May, 2026
Refreshed 6 hours ago
Last Refreshed on
Rank
#57,621
—
No change
Active Installs
1+
—
No change
KW Avg Position
58.5
—
No change
Downloads
59
—
Total downloads
Support Resolved
0%
—
No change
Rating
20%
Review 1 out of 5
1
(0 reviews)
Next Milestone 10
0+
10+
56,835
Ranks to Climb
-
Growth Needed
8,000,000
Active Installs
Pro
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Rank Changes
Current
#57,621
Change
Best
#
Downloads Growth
Downloads
Growth
Peak
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1.0
0 reviews
Overall
20%
5
0
(0%)
4
0
(0%)
3
0
(0%)
2
0
(0%)
1
0
(0%)
Tracked Keywords
Showing 2 of 2| Keyword | Position | Change | Type | Updated |
|---|---|---|---|---|
| captcha alternative | 47 | — | Tag | 1 day ago |
| reCAPTCHA-alternative | 70 | — | Tag | 1 day ago |
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Start Tracking FreePlugin Details
- Version
- 1.0.71
- Last Updated
- May 07, 2026
- Requires WP
- 5.8+
- Tested Up To
- 6.9
- PHP Version
- 7.4 or higher
Support & Rating
- Rating
- ★ ☆ ☆ ☆ ☆ 1
- Reviews
- 0
- Support Threads
- 0
- Resolved
- 0%
Keywords
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Frequently Asked Questions
Common questions about SOS Captcha — Privacy-First Spam Protection
Yes. SOS Captcha: Collects no personal data Sets no cookies
Processes everything on your server Requires no consent banner
Yes — the interactive slider requires JavaScript to work. If JavaScript is disabled, the form submission is blocked to protect against simple bots. For visitors without JavaScript, we recommend keeping a secondary spam protection layer.
No. The plugin adds less than 20KB of assets and uses efficient server-side processing. Operations use WordPress transients which auto-expire. There are no external API calls.
No anti-spam solution is 100% perfect, but SOS makes automation difficult: Millions of possible checkpoint combinations Randomized positioning per session Server-side timing validation (too fast = rejected) Behavioral analysis (Premium) No single pattern to exploit
Yes. The slider is optimized for touch interfaces with visual feedback. Touch offset correction ensures accurate control even on small screens. Tested on iOS, Android, and tablets.
Yes, Contact Form 7 is fully supported in the free version. Enable it in Settings → SOS Captcha → Integrations.
These are supported in the Premium version.
Yes, in the Premium version. SOS can protect: wp-login.php — blocks brute-force login attacks User registration form — prevents bot-generated accounts Lost-password form — stops password-reset email spam Enable these under Settings → SOS Captcha → Integrations.
Yes. You can customize: Gradient colors (start, middle, end) Label text Help text Verified text All text is translatable Premium users can also remove the badge for a fully white-label look.