I guess it's really safe cause it's open source, you can make notes on your habits but don't really do that. Its simple. Really fast. Haven't found a way to connect it to notion. In general it's a great app to track you habits. Does its job. Not more, not less.
Based on our record, Arc App seems to be more popular. It has been mentiond 1 time since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
I'm using http://bigpaua.com/arcapp on my iPhone, and even the GPX track it records in the background is good enough to do some mapping, for example when I'm hiking or biking. Source: over 2 years ago
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