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NetCurb: Mac Data monitoring
Stop Mac apps from burning through your hotspot data
NetCurb helps you control data use on your Mac, especially on phone hotspots and capped connections. I burned through 1GB of data while I was travelling because some Mac process decided to update something. This app helps prevent that from happening. See per-app uploads and downloads, block background apps, and set data allowances for home, work, or travel. Free includes monitoring, unlimited manual blocking, usage history, CSV export, and limits for one app.
Hi Product Hunt! I'm Vincent, the maker of NetCurb.
A Mac connected to a phone hotspot can keep syncing, downloading, and backing up as though data were unlimited. NetCurb gives you a way to see which apps are using that connection and decide what can wait.
You can:
• Monitor uploads and downloads by app.
• Block an app's internet access or give it temporary access.
• Set daily, weekly, monthly, or never-reset data allowances.
• Use different profiles for home, work, and travel.
• Review usage history and export it as CSV.
Monitoring, manual blocking, history, and data limits for one app are free. Pro is a one-time purchase that unlocks limits for additional apps, with no subscription.
Settings and aggregate usage stay on your Mac. NetCurb doesn't record traffic content, destinations, or browsing history, and doesn't require an account.
NetCurb requires macOS 26+ and approval for its network extension. It measures this Mac's usage, not your carrier's remaining balance; periodic measurements mean data limits can overrun.
I'd love to hear how you manage limited connections on your Mac, and which apps you most want to keep under control.
About NetCurb: Mac Data monitoring on Product Hunt
“Stop Mac apps from burning through your hotspot data”
NetCurb: Mac Data monitoring was submitted on Product Hunt and earned 2 upvotes and 1 comments, placing #157 on the daily leaderboard. NetCurb helps you control data use on your Mac, especially on phone hotspots and capped connections. I burned through 1GB of data while I was travelling because some Mac process decided to update something. This app helps prevent that from happening. See per-app uploads and downloads, block background apps, and set data allowances for home, work, or travel. Free includes monitoring, unlimited manual blocking, usage history, CSV export, and limits for one app.
On the analytics side, NetCurb: Mac Data monitoring competes within Mac, Productivity and Privacy — topics that collectively have 777k followers on Product Hunt. The dashboard above tracks how NetCurb: Mac Data monitoring performed against the three products that launched closest to it on the same day.
Who hunted NetCurb: Mac Data monitoring?
NetCurb: Mac Data monitoring was hunted by Vincent Chu. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
For a complete overview of NetCurb: Mac Data monitoring including community comment highlights and product details, visit the product overview.
Vincent Chu