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Simple Pricing, With Most Tools Free

Just want the 3D airflow simulator? PC Airflow Simulator Pro is US$5 a month. Computer Info Bits Pro is every Pro feature on our site and in our Windows apps, with one license key, for US$10 a month. Pay for a year and get five months free on either plan.

The simulator alone, or everything

PC Airflow Simulator Pro

The full 3D simulator for finding your best fan setup. It measures airflow, not temperatures.

$5 per month

Billed every month. Cancel anytime.

$35 per year

Billed once a year. The same as 7 months.

  • Every case, from Mini-ITX to a full tower, including real Corsair, NZXT, Lian Li, Fractal Design and Cooler Master models
  • Every ready-made layout, graphics card size, CPU cooler and AIO radiator
  • Finer detail, saved builds, and two layouts compared side by side
  • New cases and parts as we add them
Subscribe for US$5 a month
Subscribe for US$35 a year
Everything

Computer Info Bits Pro

Every Pro feature, on our site and in our Windows apps.

$10 per month

Billed every month. Cancel anytime.

$70 per year

Billed once a year. The same as 7 months.

  • The full 3D PC Airflow Simulator
  • Printable calculator reports with your logo
  • The multi-PC UPS planner
  • The FPS game planner for up to 12 games
  • PC Reporter Pro, to solve problems that keep coming back
  • RAM Optimizer Pro, with alerts and a startup guard
  • ISP Watchdog, to prove internet problems
  • Bill Cutter, to lower your internet bill
  • Every premium tool we add next
Subscribe for US$10 a month
Subscribe for US$70 a year

Prices are in US dollars, plus sales tax where it applies. Cancel anytime. You keep access until the end of the period you've paid for. Payments are not refunded for unused time. Your receipt and license key arrive by email.

Already subscribed? Sign in on your account page, where Manage billing also changes your billing period or card.

See all of Pro in 40 seconds

Every product, free and with Pro, side by side

Most of what we make costs nothing, and it stays that way. There are no ads, no account to create, and no trial that runs out. A plan adds the extras listed under each product.

  • PC Airflow Simulator

    Free

    • Build your own fan layout in any case, real models included, and see it in 3D.
    • Free airflow runs in the Mini-ITX case, as many as you like.
    • Keep your layout saved in your browser, ready to run when you subscribe.

    With either plan

    • Run your own layout in every case, from Mini-ITX to a full tower, including the common ATX mid-tower and real Corsair, NZXT, Lian Li, Fractal Design and Cooler Master models.
    • Every ready-made layout, graphics card size, CPU cooler and AIO radiator.
    • Finer detail, saved builds, and two layouts compared side by side.

  • PC Reporter for Windows

    Free

    • The whole app: hardware, temperatures, drive health, drivers and exportable reports.
    • Crash Trace, with background recording and 30 days or 10 incidents of history.

    With Computer Info Bits Pro

    • A full year of Crash Trace history, up to 100 incidents.
    • Repeating problems: what your crashes, freezes and restarts have in common.
    • Your business name, contact line and logo on exported incident reports.

  • RAM Optimizer for Windows

    Free

    • The whole app: memory by app, startup apps that hog memory, slot, channel and speed checks, and a tray meter that uses under 5 MB.

    With Computer Info Bits Pro

    • Memory alerts with a button to close the app that's hogging memory.
    • Leak alerts, and a startup guard that keeps startup apps off.
    • Help for the app you're using when memory gets tight, and a week of memory history.

  • ISP Watchdog for Windows

    Free

    • An example month, so you can see every screen, the report and the letters before you subscribe.

    With Computer Info Bits Pro

    • Watches your connection around the clock: every outage, speed test and lag spike, compared with your plan's broadband label.
    • A plain-English report each month, with a fair credit to ask for.
    • A one-click evidence pack, and letters asking for a credit, a technician visit or a way out of your contract.

  • PC calculators and guides

    Free

    • Every calculator, from power supply sizing to bottleneck checks, and every guide.

    With Computer Info Bits Pro

    • Print results from 5 calculators or save them as PDFs, with your notes, business name and logo.
    • Plan a whole setup in the UPS calculator: several PCs and their gear on up to three UPS units, with saved setups and one report for every unit.
    • Plan all your games in the FPS tool: the best-looking settings that hold your target in up to 12 games, with a second PC to compare.
    • Cut your internet bill with Bill Cutter: your plan against up to 3 offers over two years, the cheapest one fast enough for your home, and a call script.

Which plan suits you

Planning one build

Take PC Airflow Simulator Pro for a month. US$5 covers the whole build, and you can cancel before it renews.

Subscribe for US$5 a month

Fixing one PC or one internet problem

Take Computer Info Bits Pro for a month. It includes the Windows apps, the planners and the calculator reports.

Subscribe for US$10 a month

Building or fixing PCs as work

Take Computer Info Bits Pro for a year. It costs the same as 7 months, so it's the better deal if you'll use Pro for longer than that.

Subscribe for US$70 a year

Want the details first? Read what each Pro feature does, with screenshots of the simulator and PC Reporter.