App Development — Tokyo

Ideas into products

Building apps that solve everyday problems, one at a time.

View Work Contact

35.6677°N — 139.7126°E

01 — Products

Services

Our products (06)

01
KoreNani
Point the camera at anything — an animal, a flower, a car — and AI identifies it instantly. Your child hears the name in 9 languages.
Visit App Store
02
AdPicto
"What should I post?" Let AI solve that. AdPicto generates ready-to-publish social media posts — images and copy — tailored to your business.
Visit
03
Faceless FM
Upload a podcast or voice recording. AI selects the best clips, generates visuals, and produces vertical short videos for TikTok, YouTube Shorts, and Reels.
Visit
04
Face Guard Image
Detects faces in photos and applies privacy masks (mosaic, blur, emoji, or shapes). 100% offline — photos never leave your device.
Visit App Store
05
Face Guard Video
Mask faces across videos with on-device face tracking. Choose mosaic, blur, emoji, or stamps and export privacy-safe clips.
Visit App Store
06
Solopreneur Lab
A podcast about learning and building apps & services as a solo developer.
Apple Podcasts Spotify

02 — About

About

Solo developer in Tokyo. Building apps that solve small, everyday problems.

Company: eight arms
Established: December 8, 2025
Address: 1-3-3 Kita-Aoyama, Minato-ku, Tokyo Mitsuhashi Building 3F
Phone: 050-1726-9342
Email: info@8arms.io

2025

Established

8

Arms

∞

Possibilities

03 — Contact

Contact

Feel free to reach out via X (Twitter)

@ysfmkndonX (Twitter)

Solopreneur LabPodcast