Tabi Calc by Tsuyoshi Niwa (Universal)
Released: Jun 13, 2017
Version: 2.0.7
Size: 33 MB
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Ranking - Productivity (iPhone)

Ranking - Productivity (iPad)

Tabi Calc

Tsuyoshi Niwa
Screenshot #1 (iPhone)
Tabi Calc can handle three types of calculations.
- Regular arithmetics
- Time Calculation
- Currency Conversion

Time Calculation
- Conversion between different units (week, day, hour, minute, second)
- Difference between two dates (eg. flight duration)
- Time Zone Support (by city name or airport codes)
- Add or subtract a duration to a date (eg. expiration date)
- Alternate calendar (such as Buddhist, Chinese, Japanese, Islam calendars) (*Pro Version)
- Time between two photos

Currency Conversion
- Supports 163 currencies and Bitcoin
- Auto-detect currency when you arrive at a country.
- 9 preset buttons for regularly used currencies (*Pro Version)

Memory Slots
- Store results in multiple slots for later use* (*Pro Version)

Tabi Calc works on Apple Watch.
You can copy and paste a number or a date by long pressing.

*In-App Purchases
Pro Version Upgrade includes the following.
All duration buttons (Week, Day, Alternate Calendar, Midnight buttons)
Hourly Currency Rate Updates (Daily Updates for free version)
Unlimited Memory Slots (3 slots for free version)

What's new in version 2.0.7
bug fix and performance improvement
Our verdict: Great!
  • + Tabi Calc is a highly rated app (4.5-star).
  • + The app is currently free, instead of its regular price of $99.99.
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