GrainFrame

Smile Apps Studio

About this app

GrainFrame is a paid photo editor that applies film, VHS, and grain looks using custom GLSL GPU shaders — entirely on your device.

No ads. No subscription. Your photos never leave your phone.

▸ GPU SHADER FILTERS
• Portra — warm film tones
• Ektar — punchy, saturated color
• VHS — scanlines, color bleed, retro noise
• Halftone — print dot pattern
• Cyber — neon edge glow
• Mono Silver — high-contrast B&W grain
• Warm Fade — vintage fade
• Heavy Grain — ISO 3200-style noise

▸ PRO CONTROLS
• Intensity, Grain, Vignette, Chromatic Aberration
• Exposure, Contrast, Saturation, Temperature
• Before / After split comparison

▸ EXPORT
• JPEG (adjustable quality) / PNG
• Save to gallery or share
• Full-resolution output

▸ PRIVACY FIRST
• All processing runs on-device via GPU shaders
• No account required, no server uploads

Pay once. Own every filter forever.

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Developer: Smile Studio
Contact: [e-mail]
Price: $3.99 (paid app)

What’s new

GrainFrame is here!

• 8 GPU shader filters — Portra, Ektar, VHS, Halftone, Cyber, Mono Silver, Warm Fade, Heavy Grain
• 8 fine-tuning controls — intensity, grain, vignette, chromatic aberration, and more
• Before/After split slider for instant comparison
• Full-resolution JPEG/PNG export, save & share
• 100% on-device — no ads, no subscription, no cloud upload

Pay once, own every filter forever.