Support

Frequently asked questions

How do I restore my purchases?

Open the app's Settings and tap Restore purchases. Make sure you are signed in to the App Store with the same Apple ID you used to buy. Your calculators unlock again on any iPhone signed in to that Apple ID, at no charge.

Can my family use what I bought?

Yes. Purchases are shared with Family Sharing, so members of your family group can unlock them too. They may need to tap Restore purchases once.

How do I get a refund?

Purchases are handled by Apple, so refunds are too. Request one at reportaproblem.apple.com, signed in with the Apple ID you used to buy.

I can't hear the key clicks.

Check that your iPhone isn't in Silent mode (the Ring/Silent switch or Action button) and that the volume is up. Then check that Key sound is switched on in the app's Settings. Each calculator's theme screen also lets you pick which click it makes.

How do I turn haptics on or off?

Use the Haptics switch in the app's Settings. If you feel nothing with it on, check that System Haptics is on in your iPhone's Settings → Sounds & Haptics.

How do I switch calculators?

Throw the current calculator away: drag or fling it off the screen and the gallery appears. Tap any calculator to use it.

Which devices are supported?

1970s Calculator runs on any iPhone with iOS 18 or later. It is made for iPhone only.