Chrome Extension · CosmoLabs Ltd

See the
Real Cost
of Every Sub.

You pay for streaming, creative tools, AI assistants, and productivity apps every month. But how often do you actually open them? CostPerClick shows you the cost per use — so you know what's worth keeping.

Add to Chrome — Free See Pricing
🔒 100% local — no data leaves your browser ⚡ 30-second setup 🇬🇧 Built in the UK
CostPerClickTM
Your subscriptions are costing
£127.94
↑ £62.98 wasted
this month
Active
8
Visits
43
Worst/use
£55
Ranked by cost per use 7 shown
Adobe Creative Cloud
adobe.com
£54.99/use↑
1 visit · £54.99/mo
LinkedIn Premium
linkedin.com
£14.99/use
2 visits · £29.99/mo
Netflix
netflix.com
£2.20/use
5 visits · £10.99/mo
Claude Pro
claude.ai
£1.38/use↓
13 visits · £18.00/mo
Spotify
spotify.com
£0.61/use
18 visits · £10.99/mo
CosmoLabs · v1.0
The reality check

The numbers that change your mind.

Most people have no idea what their subscriptions actually cost per use. CostPerClick shows you the truth.

Creative Suite subscription
£54.99/mo · opened once
£54.99
per use
Professional networking tool
£29.99/mo · opened twice
£14.99
per use
Music streaming service
£10.99/mo · opened 18 times
£0.61
per use
Features

Everything you need. Nothing you don't.

📊
Cost-Per-Use Dashboard

Every subscription ranked by value. Colour-coded from great value to cancel candidate. The truth at a glance.

🔔
Unused Alerts

Get notified when a subscription hasn't been visited in 14+ days. Cancel before the next billing cycle hits.

📈
Monthly Trends

Bar, line, pie, and heatmap charts. Track your usage over time and spot when a subscription stops being worth it.

⚡
Quick Setup

One-tap quick-add for popular services. Or add any subscription manually with a custom domain.

🔒
100% Private

All data stays on your device. No account, no cloud, no analytics. The only external calls are for favicons and payments.

🌙
Dark Mode

Follows your system setting automatically. Light and dark both look great — no toggle needed.

Pricing

Simple. Honest. One-time.

Free — forever
£0
No credit card. No trial. No expiry.
  • Track up to 5 subscriptions
  • Full cost-per-use dashboard
  • Colour-coded value tiers
  • Unused subscription alerts
  • CSV export & share
  • Dark mode
Pro — one-time purchase
£4.99
Not a subscription. Because that would be ironic.
  • Unlimited subscriptions
  • Full cost-per-use dashboard
  • Colour-coded value tiers
  • Unused subscription alerts
  • CSV export & share
  • Dark mode

Your data never leaves your browser.

CostPerClick stores everything locally using Chrome's built-in storage. There's no server, no database, no account. The only external connections are Google's favicon API (for site icons) and ExtensionPay (for Pro purchases, only when you upgrade).

🔒 Local storage only
🚫 No analytics or tracking
👤 No account required
🇬🇧 Built in Scotland, UK