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AppStills

Design App Store and Google Play screenshots in a real 3D editor. Import your store listing, add AI captions in 50 languages, and export every store size in one ZIP — plus .mp4 app previews.

Design

Added July 22, 2026 · Last analysed July 22, 2026 · via · 50% 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 22 July 2026; the live site may have changed since.

AppStills looks production-ready overall, with complete legal pages, a thorough launch checklist, and fast page loads. Main gaps: missing several security headers, tracking cookies set before any opt-in, and no email security records.

Launched on Product Hunt on July 22, 2026. The site is hosted on Vercel, with a domain registered 2 weeks before launch. We've detected 10 technologies on this site, covering analytics, baas, DNS providers, and frameworks. The stack includes Next.js, React, and Dyna-NS.

It's on one of the most common stacks we track, shared by 2,423 launches.

If you own this site, refresh the snapshot and see the full fix list any time →

Vibe Score 20 · Few AI signals
How much the site looks AI-generated. Informational pattern-match signal, not a verdict. Does not feed the StackScope Score. See which fingerprints fired →

Tech Stack (10) · Indie stack

Infrastructure
DNS Dyna-NS
Hosting Vercel
Security HSTS
Build & Framework
BaaS Firebase
Framework React
Meta-framework Next.js (5)
Analytics & Marketing
Analytics Google Analytics (4)
SEO Google Search Console
Tag management Google Tag Manager medium
Commerce & Payments
Payments Lemon Squeezy

Infrastructure

Network
AS16509 · US
DNS
Dyna-NS
Authoritative nameserver
DNSSEC
Not enabled
DNS responses unsigned. Cache-poisoning vulnerable.
Green hosting
Not green hosted
No green-energy record. Data from The Green Web Foundation.
SSL Certificate
Let's Encrypt
Valid 6 Jul 2026 to 4 Oct 2026
Certificate as captured in this snapshot, not a live check.
Domain Age
16 days
Registered Jul 2026 · Gransy, s.r.o.

Email Security

SPF Not published. Your domain can be spoofed in phishing emails.
?
DKIM Not detected at common selectors. Your provider may use a custom one.
DMARC Not published. Receivers fall back to permissive defaults.
?
MTA-STS Not deployed. Mail to your domain can be downgraded to plaintext en route.
?
TLS-RPT Not configured. You won't hear about silent SMTP TLS handshake failures.

Storage (5)

Cookies (3)
NameLifetimeDetected as
appstills_lang 1y -
_ga 1y Google Analytics
_ga_RXY850EJ82 1y Google Analytics
IndexedDB (2)
DatabaseVersionDetected as
firebase-heartbeat-database 1 Firebase
firebaseLocalStorageDb 1 Firebase

Readiness Breakdown How?

Custom title and meta description
Open Graph tags (title, image, description)
Twitter card meta tags
Canonical URL declared
Responsive viewport meta tag
Favicon present
Semantic HTML (nav, main, article)
Meta description is 190 characters (advisory) Google only shows about 155–160 characters of the description in desktop search results (less on mobile); anything past that won't appear.

Performance How?

101 ms Server response
94% Faster than peers
556 ms Largest contentful paint
0.01 Cumulative layout shift
716 KB Page weight
128 KB Image weight
2 Third-party domains
0 Console errors
0 Failed requests

10 images: 5 missing alt text

Indicative grade from a single automated render, not a substitute for Lighthouse or field data, and not part of the StackScope score.

Vibe Score Breakdown How?

SignalPoints
AI copy signals +5
AI onboarding signals +5
AI writing signals +5
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.

AI Stance

No AI stance declared
llms.txt published
No AI bots blocked in robots.txt
? No directive declared
? None advertised

Well-Known Files

robots.txt
sitemap.xml (28 URLs)
security.txt
llms.txt
ads.txt
humans.txt
Privacy Policy
/privacy
Terms of Service
/terms
? Consent manager not detected
Analytics set tracking cookies on our visit, with no opt-in step.
92% unique

Security Headers (1/6)

Permissions-Policy experimental (check browser support)
X-XSS-Protection deprecated (use Content-Security-Policy)

Build

Code splitting
22 JS files
3 CSS files
2 Third-party domains

Brand Colours

Something not look right? If a technology shown here is wrong or out of date, email [email protected] and we'll review it.