How do I restore Pro after reinstalling the app?
Open Settings > Upgrade to Pro, then tap Restore Purchases. Make sure you are signed in with the same Apple ID used for the original purchase.
Mumu Calculator Support
Support page for Mumu Calculator on iOS
If you need help with Mumu Calculator, please review the frequently asked questions below first. If you still need help, you can contact us by email and we will reply when possible.
Frequently Asked Questions
How does the complimentary Pro trial work?
New users may receive a complimentary 7-day Pro experience. It is not a subscription and does not require a purchase. After it ends, you can keep using the free version or unlock Lifetime Pro.
Why do I see an app open ad?
After the complimentary Pro trial ends, free users may see an app open ad on cold start. Lifetime Pro users do not see app open ads.
How do I manage advertising privacy choices?
Where required, Mumu Calculator uses Google's User Messaging Platform to request or manage advertising consent and privacy choices. If privacy options are available in your region, you can find them from Settings.
How do I continue editing an earlier calculation?
Tap any history entry to bring it back into the editor. You can move the cursor and continue calculating from that exact expression.
How do notes and subtotals work?
You can add notes to calculation groups and view a subtotal for the current archive, which is helpful for shopping lists, budgets, and longer calculation sessions.
How do I enable Voice Readout?
Voice Readout is available as a Pro feature. After unlocking Pro, open Settings > Voice Readout to turn it on or change voice options.
Before Contacting Support
To help us understand the issue faster, please include:
- the issue you encountered
- the steps that led to the issue
- your app version and iOS version, if available