We unified and improved the insufficient-credit experience across prompt generation, image generation, and image editing. ・Clearer retry flow after credit shortage ・Improved stability and continuity in image editing flows ・Minor bug fixes and performance improvements

In Version 1.12.1, we improved quality around the image editing template flow. Fixed localization display issues in English and Korean Fixed an issue where the template screen could keep loading indefinitely Improved overall stability

Improved overall app stability Fine-tuned behavior around history and generated content Improved navigation flow and parts of the UI experience Fixed minor bugs

Major improvements to the low-credit user flow Easier recovery after watching an ad, so you can resume prompt/image generation faster More consistent and timely credit-shortage checks Unified recovery entry points across key screens, including Settings UI polish and stability improvements

Big stability and UX improvements in the Flutter version. Added proper loading states during image generation so you always know what’s happening. Multiple generated images now appear correctly in My Images. Fixed issues where interrupted sessions leaked into new chats and where AI brush-up after generation didn’t work. Improved fetching and display of fixed and follow-up questions in the prompt builder.

New feature: Image editing tools added Edit and refine generated images instantly A seamless workflow from prompt to final image

・Updated the image generation screen UI ・Improved visual clarity and interaction flow ・Smoother experience from prompt to image creation

We’ve updated to a smarter UI, allowing you to generate images directly from your generated prompts.

Fixed minor bugs and improved overall stability and performance for a better experience.

What's New in Version 1.5 【 Major Gallery Improvements】 • Significantly improved image display performance - Optimized thumbnail size (reduced memory usage) - Increased parallel loading (faster loading) - Added scroll prefetching (smooth scrolling) - Optimized URLSession caching (better network efficiency) • Implemented Card Expansion Animation - Tapped cards expand from their original position to show details - Added swipe-to-close functionality - More modern and intuitive UI 【 Credit Management Improvements】 • Added promo period display - Shows "Limited Time" badge and description in settings - Clearly indicates 40 credits during promo, 20 credits normally • Enabled ad viewing for all plans - Free/Light/Basic/Premium plans can all watch ads - Earn +3 credits by watching ads • Unified credit insufficient handling - Alert display for prompt generation, regeneration, and image generation - Options: "Watch Ad for +3 Credits", "Upgrade Plan", "Cancel" 【 Security Enhancements】 • Implemented DeviceCheck API - Prevents promo credits from being granted on reinstall - More fair credit management 【 UI/UX Improvements】 • Changed plan selection screen description to collapsible format - "Show Details" button for optional viewing - Cleaner and more readable screen • Improved action buttons - Separated title and description display - Optimized button size (more compact) - Changed to more understandable button names 【 Bug Fixes】 • Fixed credit insufficient handling in AI Brushup feature • Fixed promo credit retention issue on reinstall • Various minor bug fixes and performance improvements --- PromptBuilder makes creating prompts for AI image generation easy. Simply answer interactive questions to generate prompts optimized for multiple AI models. Thank you for using PromptBuilder!

– Added a brand-new image generation feature – Improved UI for a smoother experience – Enhanced overall stability

– Updated tutorial UI to match the latest interface – Added highlighted action buttons for clearer guidance – Optimized layout for improved readability – Introduced carousel results view with page indicators

This update includes several minor improvements: ・Small UI refinements ・Better stability across key features ・Text adjustments and minor bug fixes We will continue enhancing the overall user experience.

This update brings major improvements across the entire app. New Features • Added an AI image gallery displayed at launch • Introduced a tutorial for first-time users • New history manager with automatic session saving, viewing, and deletion • Favorites filtering for important sessions • Added multilingual support (Japanese, English, Korean) Prompt Generation Improvements • Optimized question flow with separate Schema and AI phases • Improved accuracy with updated API integration UI/UX Enhancements • Fully refreshed design system for a modern, cleaner look • Improved dark mode • Better overall usability Other Improvements • Firebase integration for a stronger backend • Performance optimizations