Apps by Naruhito Ozawa
Trial&Error app icon

Productivity

Trial&Error

Naruhito Ozawa

Free download In-app purchases unconfirmed
Open on Apple

About this app

Trail and error is an app that looks back on what you have done and how you can modify your actions to better achieve your goals. You can use this app like how you would use a sticky note on a board. Organize your thoughts and categorize them into what you have already tried , what you were able to accomplish, what you can try next. Similar to the KPT (keep, problem, try) method, this is a retrospective method. The content entered is saved on your device. not sent to a server. Making your data secure. Alternatively you can upload your note to iCloud for backup. In the future, if the number of users increases, we may add a function to share / post the described data, but when adding the function, sharing / posting will be executed by the user's operation. Details will be described in the version upgrade information. The functions of this application are as follows. [Function] ・List multiple things you want to achieve ・ A list of trial and error actions is displayed, such as "What to try", "What you could do", "What you understood", "What to do next". ・ Backup to iCloud and data loading from iCloud. [Terms of use] https://oz-app.blogspot.com/p/blog-page_5.html (You can switch languages ​​from Translate at the top of the page.) [Privacy policy] https://oz-app.blogspot.com/p/blog-page_38.html (You can switch languages ​​from Translate at the top of the page.)

Latest release

What’s New

Version 1.5 May 21, 2023

- layout adjustment - New information page added

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 15, 2026 · 0 ratings Aug 15, 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 15, 2026 · Free Aug 15, 2026

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

  1. First observed Aug 15, 2026 · 1:22 PM Free

Screenshots

Trial&Error iPhone screenshotTrial&Error iPhone screenshotTrial&Error iPhone screenshot Trial&Error iPad screenshotTrial&Error iPad screenshotTrial&Error iPad screenshot