Apps by Tetsuya Nishikawa
tatetsu app icon

Utilities

tatetsu

Tetsuya Nishikawa

Free download In-app purchases unconfirmed
Open on Apple

About this app

Distribution calculations of either trips or meals paid by several members is difficult, when wanting split bill. This app calculate payer statuses and settlement procedures simply.

Latest release

What’s New

Version 2.1.0 Jul 19, 2026

Thank you for using. - Updated for the latest OS versions. - Fixed a crash caused by certain inputs in the price field. - Fixed issues where the keyboard did not appear or inputs were lost. - Fixed an issue where payment detail panels could not be collapsed.

Audience growth

Ratings growth

Steady
7-day gain +0
Ratings / day 0.0
30-day gain +0
US rating-count history
0 ratings
0 Aug 19, 2026 · 0 ratings Aug 19, 2026

Baseline captured. Growth appears after the crawler observes a changed rating count.

Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.

Price tracking

Price intelligence

1 captured event
Current Free
Historical low Free
Paid → free
Price history
Current Free
Free Aug 19, 2026 · Free Aug 19, 2026

First snapshot captured. The trend line starts after the next crawler price observation.

  1. First observed Aug 19, 2026 · 6:03 AM Free

Screenshots

tatetsu iPhone screenshottatetsu iPhone screenshottatetsu iPhone screenshot tatetsu iPad screenshottatetsu iPad screenshottatetsu iPad screenshot