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# What does "Unusual activity detected. Free Tier usage disabled. If you are using proxy/VPN you might need to purchase a paid plan to not trigger our abuse detectors" mean?

When using the free tier, you might encounter a message like this if the abuse system has detected any unusual activity.

* <strong>Unusual activity detected</strong> Free tier usage disabled.

This is regrettably a limitation we've needed to impose on the free tier to avoid people creating multiple accounts.
It doesn't necessarily mean that you have multiple accounts. It could also mean that you are using a VPN and have shared
the same IP as someone else who has an account.

It could also mean that someone in your household, school, or office has also created a free account, or that you might be
using a mobile network where each device is assigned a temporary IP address from a pool of available addresses which can
cause these types of issues. But regardless, something has happened that has alerted the systems and flagged it as unusual.

There are two ways that you can avoid this message:

* <strong>Buy a subscription:</strong> All paid subscriptions are immune to this error as it is only
  triggered on free tiers. Our paid subscriptions also provide you with additional features compared
  to the free tier.
* <strong>Use a unique IP:</strong> You can still use a unique IP that has not been flagged by the
  abuse system, which will again circumvent this issue.

We are sorry about the inconvenience but there is nothing we can do once the account has been flagged.