Apps Like Schengen Calculator: 90/180 for iPhone and iPad
Calculate stay days for visas
Calculate remaining stay days based on entry and exit dates. Track days used and remaining within the rule. View impact of trip dates on visa compliance. Set reminders for departure and re-entry dates.
by 阳 李★ 5.01 ratingsTravelFreeData updated 2026-09-06
Calculate gas size based on BTU load, length, and gas type (LP or Natural). Input values and select gas type to determine minimum size. Output result for immediate use.
Track birthdays by converting Gregorian dates to equivalents. Calculate exact birth dates, Chinese zodiac signs, and upcoming celebration dates. View traditional calendar details for Chinese, Taiwanese, Korean, and Vietnamese families.