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KX Toolkit

Subscription Cost Auditor

Audit your monthly subscriptions - see total spend, per-hour cost, and which subs to cancel. Data stays in your browser.

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Audit your monthly subscriptions - see total spend, per-hour cost, and which subs to cancel. Data stays in your browser.

This free Subscription Cost Auditor from KX Toolkit is part of our all-in-one online toolkit. It runs entirely in your browser, so your data never leaves your device for client-side operations. 100% free, forever - no paywall, no credit card, no trial.

How to use the Subscription Cost Auditor

  1. Enter your inputs (date, amount, rate, etc.).
  2. Pick any optional settings (tax mode, country, unit).
  3. Read the result - most calculators update as you type.
  4. Copy the result, or screenshot the breakdown for your records.

What you can do with the Subscription Cost Auditor

  • Quick personal-finance maths before a major purchase.
  • Tax estimates for freelancers and small businesses.
  • Verify a number on an invoice or receipt.
  • Help kids with homework calculations.

Why use KX Toolkit's Subscription Cost Auditor

  • Browser-based: Works on Windows, macOS, Linux, iOS and Android - no install, no extension.
  • Privacy-first: Client-side tools never upload your data; server-side tools delete files right after processing.
  • Mobile-friendly: Full feature parity on phones and tablets - not a stripped-down view.
  • Fast: Optimised for instant feedback. No artificial waiting screens, no email-gated downloads.
  • One hub for everything: 300+ tools across SEO, text, image, PDF, code, color, calculators and more - skip switching between sites.

Tips for the best results

For currency-aware calculators (GST, tax), always confirm the rate matches the jurisdiction on your invoice - rates change yearly.

Related Calculators

If you find this tool useful, explore the full Calculators collection or browse our complete tool directory. KX Toolkit is built for marketers, developers, designers, students and anyone who needs a quick utility without signing up for yet another SaaS.

What does the subscription cost auditor calculate?
It adds up every subscription you list and shows total monthly cost, total yearly cost, your top three most expensive ones, subs you are not actually using (zero hours logged), and cost per hour of use for the rest. The point is to surface the worst-value subscriptions so you can decide what to cancel. Mixed currencies and billing cycles are normalized to monthly USD using a static rate table.
Where is my subscription data stored?
In your browser's localStorage on this device only. Nothing is uploaded, no account is needed, and we cannot see your list. If you clear your browser data, switch devices, or use a private window, the list will be empty. Use the Export CSV button if you want a portable backup, and Import CSV to restore it on another device.
How do you turn weekly and yearly subscriptions into a monthly cost?
Yearly subscriptions are divided by 12. Weekly subscriptions are multiplied by 52 and divided by 12 (so a $5/week subscription becomes about $21.67/month, not $20). This is the standard cycle normalization - it accounts for the fact that a year is 52 weeks, which is a bit more than 12 four-week months. Costs in non-USD currencies are converted with a fixed approximate rate.
Why does cost per hour of use matter?
A $10/month app you use 40 hours is $0.25/hour - basically free. The same $10 app you use once is $10/hour, which is worse than most movie tickets. Cost per hour reframes value better than raw price: an expensive subscription you use heavily can be a bargain, and a cheap one you ignore can be the worst deal in your stack. The audit sorts the worst offenders to the top.
Is the conversion rate live?
No. The rates are baked into the page so the tool works fully offline and does not phone home. They are approximate and updated only when we ship a new version of the tool. If you need accurate cross-currency totals, enter every subscription in the same currency, or use a live currency converter for the final number. For getting a sense of where your money goes, the static rates are more than good enough.
What categories should I assign?
Whatever helps you spot patterns. We provide entertainment, productivity, fitness, news and other as defaults because those map to the buckets most people overspend in. The pie chart in the result panel groups by category, so if you discover that 60 percent of your spend is "entertainment" you may have an answer about where to trim. The category does not affect any calculation - only the visual breakdown.

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