ge-calc
A calculator that keeps your notes
Calculations, ready to revisit.
Keep your calculations and notes together, so you can return to them later.
Get it on the App StoreFree · Ads · In-app purchases
For iPhone and iPad
Estimate A
¥2,500 × 10 + ¥800 shipping = ¥25,800
For delivery on April 23
Full App Store image
A detail and full view of the same completed example.
Enlarge full image ↗From the App Store listing.
Free · Ads · In-app purchases
Useful tools for everyday calculations.
Organize by page
Keep calculation notes on separate pages.
Share your notes
Share the calculation with its explanation.
Consumption tax
Handle everyday tax calculations.
Pricing and compatibility
Free
Ads and in-app purchases
iPhone: iOS 15.0 or later
iPad: iPadOS 15.0 or later
ストレスフリーパック (Stress-free Pack)
iPhone: ¥600 / iPad: ¥600
Checked on the Japan App Store on October 14, 2026. See the App Store for current prices and purchase terms. Prices may vary by country or region.
Frequently asked questions
Does it work on iPad?
Yes. ge-calc supports iPhone and iPad. It requires iOS 15.0 or later on iPhone, or iPadOS 15.0 or later on iPad.
Does it cost anything?
The download is free. The app includes ads and in-app purchases. The ストレスフリーパック (Stress-free Pack) is ¥600 for iPhone and ¥600 for iPad on the Japan App Store. See the App Store for current prices and purchase terms.
Where can I find help or report a problem?
Visit the ge-calc Help and FAQ. If you still need help, contact info@ge-nie.co.jp. Visit Help and FAQ (Japanese)
Make your next calculation one you can return to.
Get it on the App StoreFree · Ads · In-app purchases