Sajin: AI Darkroom
AI profile & ID photos in 30s
Only for iPhone
Free · In‑App Purchases · Designed for iPhone. Not verified for macOS.
iPhone
7 Halloween presets are here: costume party, monster movie poster, vampire portrait, pumpkin patch, storybook, sticker and pet. Until Nov 7. Your first 5 photos are free.
Shoot now, develop later. Sajin is an AI darkroom: pick a preset, hand over one photo, and it comes back in about 30 seconds.
Studio presets: 1994 photo studio portrait, AI profile, ID photo (not for passports or government IDs), hanbok, photocard, black-and-white studio, four-cut photo booth sheet, travel snap, 90s teen movie poster, superhero team poster.
Play presets: die-cut sticker, webtoon panel, 3D character, action figure box, pet portrait, anime cel, caricature, Korean minhwa portrait, claymation, pet sticker.
Seasonal limited-time presets come and go.
Your first 5 photos are free, then 1 free photo every week. Need more? Buy credits or subscribe to Sajin Plus. Photos without a visible face are returned without using a credit.
Photos are sent to an image-generation AI (US servers) for processing and the original is deleted from our servers afterwards. Results are AI-generated images; studio presets carry an AI mark.
Sajin Plus renews monthly; cancel anytime in your App Store account settings at least 24 hours before the current period ends.
Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Terms of Service: https://sajin-two.vercel.app/terms
Privacy Policy: https://sajin-two.vercel.app/privacy
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
• 5 more Halloween presets: monster movie poster, pumpkin patch, vampire portrait, Halloween storybook and Halloween sticker (until Nov 7)
• Dedicated developing scenes for each new Halloween preset
The developer, Mountain Bridge, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Linked to You
The following data may be collected and linked to your identity:
- Purchases
- User Content
- Identifiers
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Mountain Bridge
- Size
- 72.1 MB
- Category
- Photo & Video
- Compatibility
Requires iOS 16.4 or later.
- iPhone
Requires iOS 16.4 or later. - Mac
Requires macOS 12.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- Korean
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- 100 Credits $14.99
- Sajin Plus $4.99
- 10 Credits $1.99
- 30 Credits $5.99
- Copyright
- © 2026 Mountain Bridge