You can measure height and length with your phone, and AR measurement helps you measure the size more clearly and accurately; it also has a protractor function.

Subscription-related:
1、Users can use the ruler and protractor unlimited times only after the paid subscription;
2. The subscription fee will be deducted from the iTunes account when the user confirms the purchase and can be renewed automatically for $39.99/quarter;
3. users can turn off auto-renewal 24 hours before the end of the current subscription, otherwise the subscription will be automatically renewed;
4. the Apple ID of the automatically renewed subscription will be automatically deducted from the iTunes account 24 hours before the expiration of each billing cycle and the corresponding validity period will be extended;
5. Users manage the subscription service, i.e., they can go to their user accounts to set off automatic subscriptions after purchase.

User Agreement: https://vciacsoym7.feishu.cn/docx/P0yxdtafioY6MOxJSZFcP2tKnXO
Privacy Policy: https://vciacsoym7.feishu.cn/docx/XgoCdiNKro6vokxIOmvcgtKIn6d