Each app has its own support page with answers to common questions and the address to write to. Every message is answered by the person who built the app.
- VocabPeekSupportPrivacy Policy
- VidBeamSupportPrivacy Policy
- NoLightSupportPrivacy PolicyTerms of Use
- SideSpaceSupportPrivacy Policy
- Milestamp
- DonePixSupportPrivacy Policy
- VocabPeek JuniorSupportPrivacy Policy
- MarbleSupportPrivacy Policy
- Daily SealSupportPrivacy Policy
Anything else
For a question that is not about one app, write tosangcaolabs@gmail.com. About the website itself: Website Privacy.