PDF編集・注釈 - 現場図面と写真への書き込みアプリ

[PDF Annotation] is a specialized PDF editing and image annotation app specifically designed for construction and civil engineering sites and design work.

This native Android app allows you to freely write and edit on multi-page PDF drawings and site photos using pens, markers, and erasers. Annotated text is integrated into the original PDF or image, allowing for quick sharing of the annotated PDF with relevant parties via LINE, email, Google Drive, etc.

[Main Features]
■ PDF Import (Multi-page support): Smooth viewing of large-scale drawing data.
■ Photo Import and Annotation (JPEG/PNG, etc.): Ideal for direct marking on site photos.
■ Pen, Marker, and Eraser: Intuitive operation for free-form writing.
■ Pinch Zoom & Pan: Zoom in on details of drawings for accurate viewing and annotation.
■ Page Turning: Seamless editing of multi-page PDFs.
■ Auto-Save Function: Automatically saves annotation data for each page, preventing omissions.
■ Annotated Full-Page PDF Output: Documents the annotated state as is.
■ Easy Sharing: Instantly share data via LINE or email.

■ Data Management: Backup and restore function in JSON format ensures peace of mind even when changing devices.

【Recommended for:】
・Designers and engineers who want to annotate drawings at construction sites and civil engineering projects
・Construction managers, site supervisors, and surveyors
・Those who want to directly mark, instruct, and comment on site photos
・Those who need to check, revise, and correct PDF drawings on a daily basis
・Those who want to check drawings paperlessly on a tablet or smartphone without carrying paper drawings

【Pricing】
・The first 7 days are completely free to try all functions.

・From the 8th day onwards, it will automatically renew at ¥200 per month (excluding tax).

・Cancellation is possible at any time from the subscription settings in Google Play.

・*A subscription is required to use all the functions of this app.

【Privacy and Security】
・All highly confidential PDF files, photos, and annotation data are stored locally only on your device.

・There is absolutely no automatic transmission to external servers or clouds, and no provision of data to third parties, so you can use it with confidence even for highly confidential drawings.

・For details, please refer to the Privacy Policy (https://Ks-service.netlify.app/privacy.html).

【Operating Environment】
・Android 7.0 or later