Checkback
ADHD-friendly SMS nudges and a calm dashboard. Built for real routines, not guilt.
Added April 25, 2026
· Last analysed April 25, 2026 · via 
· 67% unique tagline
StackScope is a free public catalogue of indie launches. We find launches on Product Hunt, Hacker News and similar feeds, then crawl each site to detect its tech stack and score it for launch readiness: DNS, security headers, SEO basics. This page is what we saw on 25 April 2026; the live site may have changed since.
Checkback is largely in shape, with complete legal pages and a complete set of security headers. What needs work: no robots.txt or sitemap, tracking cookies set before any opt-in, and incomplete email security.
Launched on Product Hunt on April 25, 2026. The site is hosted on Vercel, with a domain registered 5 weeks before launch. The crawl picked up 12 technologies on this site, covering analytics, baas, developer tools, and DNS providers. The stack includes Cloudflare DNS, HSTS, and PostHog.
For context, it's running the same core stack as 2,955 other launches and tighter on security headers than most Product Hunt launches.
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Tech Stack (12) · Indie stack
| DNS |
Cloudflare DNS
|
| Hosting |
Vercel
(2)
|
| Security | HSTS (2) |
| Analytics |
PostHog
(5)
|
| Payments |
Stripe
|
Infrastructure
Email Security
Storage (7)
| Name | Lifetime | Detected as |
|---|---|---|
| ph_phc_wU23fheDH3NfyMGPANAhzFsoJAg3fYskz5zHZYtbXqi3_posthog | 1y | PostHog |
| Key | Size | Detected as |
|---|---|---|
| checkback-prefs | 463 B | - |
| checkback_cleared_legacy_auth_v1 | 1 B | - |
| ph_phc_wU23fheDH3NfyMGPANAhzFsoJAg3fYskz5zHZYtbXqi3_posthog | 1.5 KB | PostHog |
| Key | Size | Detected as |
|---|---|---|
| ph_phc_wU23fheDH3NfyMGPANAhzFsoJAg3fYskz5zHZYtbXqi3_posthog | 388 B | PostHog |
| ph_phc_wU23fheDH3NfyMGPANAhzFsoJAg3fYskz5zHZYtbXqi3_primary_window_exists | 4 B | PostHog |
| ph_phc_wU23fheDH3NfyMGPANAhzFsoJAg3fYskz5zHZYtbXqi3_window_id | 38 B | PostHog |
Readiness Breakdown How?
Vibe Score Breakdown How?
| Signal | Points |
|---|---|
| AI CSS signals | +10 |
| AI copy signals | +5 |
| AI onboarding signals | +5 |
| AI palette signals | +5 |
| AI writing signals | +5 |
| AI iconography signals | +5 |
| AI styling signals | +10 |
| AI layout signals | +5 |
This score is based on structural patterns and is not definitive. Many legitimate sites may trigger signals, and AI-built sites may go undetected. It should be treated as an indicator, not a verdict.