# Mastery - Record of Experience — Record days and hours for all

> Record days and hours for all (iPhone/iPad app by Yudai Abe.)

- Source: https://appshunter.io/ios/app/mastery-record-of-experience/id1630509513 (this page in markdown: same URL + `.md`)
- Developer: [Yudai Abe](https://appshunter.io/developer/1566818989)
- Category: Education, Lifestyle
- Price: Free
- Age rating: 4+
- Requires: iOS 9.0 · 56 MB
- Languages: English, French, Japanese, Chinese
- Released: 2022-06-27
- Data updated: 2026-06-03
- User reviews in markdown: https://appshunter.io/ios/app/mastery-record-of-experience/id1630509513/reviews.md

## What is Mastery?

- Register the time you have spent so far when you add a skill. No need to count up from 0 minutes.
- You can set your favorite color for each skill.
- Add as many skills as you like.
- When you finish your study, for example, add the time you have worked on it with a few taps.


## Version history (last 5 releases)

### 2.3.0 — 2022-09-03

The button for adding a skill card has been moved from bottom-right to top-right to improve usability.

### 2.2.0 — 2022-08-30

- The skill cards can be dragged and dropped to change the order.
- When the app launches for the first time, a dialog box requesting tracking permission for ad serving will be displayed.

### 2.0.1 — 2022-07-16

The overall visual design updated.
Displaying for the duration and the total time has improved to more readable. For example, if the duration is "0 yrs, 1 mos, 20 days", it will be displayed as just "1 mos, 20 days".

### 1.1.1 — 2022-07-06

Some information on the App Store has been corrected.

### 1.1.0 — 2022-07-05

Serving ads started.

## Apps similar to Mastery

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| --- | --- | --- | --- |
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| [HyperSchool: powered by Efekta](https://appshunter.io/ios/app/hyperschool-powered-by-efekta/id6745864563) | — | Free | Education |

## More apps by Yudai Abe

- [Infinite Name Generator](https://appshunter.io/ios/app/infinite-name-generator/id1566818987)
- [Objectives Tracker](https://appshunter.io/ios/app/objectives-tracker/id1585532512)
- [Search Words Bookmark](https://appshunter.io/ios/app/search-words-bookmark/id1599452079)
- [Microwave Time Calculator](https://appshunter.io/ios/app/microwave-time-calculator/id1611149144)
- [Natural Japanese Handbook](https://appshunter.io/ios/app/natural-japanese-handbook/id1662292523)

All apps by Yudai Abe: https://appshunter.io/developer/1566818989

## Related topics

[yudai abe](https://appshunter.io/ios/topics/yudai-abe)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-03.*