Unexplained Charges Despite Free Tier Compliance: Bandwidth, Region, or Ghost Machines?

[halfer]

My understanding of the free tier is below, and is basically that there is no spoon free tier:

Concern about Unexpected Charges on Fly.io Free Tier Usage

Possibly I’m misinterpreting you, but I think you might really be working under a misapprehension overall, . There is no free tier†, and the $5 waiver is just an informal courtesy—not a promise of eternal freebies. Personally, I wouldn’t be surprised if it was quietly changed in early 2026 (the second anniversary of the removal of the real free tier), to make it accumulate uncollected amounts. @khuezy’s advice is best: minimize your operating costs as much as you can…

But I think it is the case that, for now, if you hover under the 5 USD line, your monthly bill will not be collected.