Support

How do I restore my Premium purchase?

Go to Settings in the app and tap "Restore Purchases". Make sure you're signed in with the same Apple ID you used for the original purchase.

How do I sync my data across devices?

LabTools Pro uses iCloud to sync your calculation history and saved protocols. Make sure iCloud is enabled for LabTools Pro in your device's Settings > [Your Name] > iCloud.

Can I use LabTools Pro offline?

Yes! All calculators work offline. Only iCloud sync and some reference data require an internet connection.

How accurate are the calculations?

LabTools Pro uses high-precision decimal arithmetic to ensure accuracy. All formulas are based on standard scientific methods and peer-reviewed literature. However, always verify critical calculations independently.

How does the free trial work?

LabTools Pro offers a 7-day free trial with full access to all features. After the trial, you can choose Monthly ($2.99/month), Yearly ($19.99/year - save 44%), or Lifetime ($39.99 one-time). Cancel anytime during the trial and you won't be charged.

What are the subscription options?

After your 7-day free trial, choose the plan that works best for you: Monthly at $2.99/month, Yearly at $19.99/year (save 44%), or a one-time Lifetime purchase at $39.99 for permanent access to all features and future updates.

How do I report a bug?

Please email us at shankarduttsgd@gmail.com with:

• Your device model and iOS version
• Steps to reproduce the issue
• Screenshots if applicable

Can I request a new calculator?

Absolutely! We love hearing from scientists about what calculations would be most useful. Email us your suggestions at shankarduttsgd@gmail.com.