Pricing
Simple, predictable pricing
Pick a plan based on monitors and checks. Scale with add-ons when you need more. No hidden fees.
Free
no credit card required
Try DiffHook with no commitment.
- 3 monitors
- 2,500 checks / mo
- 60-min polling
Starter
billed monthly
For solo devs and side projects.
- 20 monitors
- 15,000 checks / mo
- 15-min polling
- JS rendering · 7,500 / mo
Pro
billed monthly
For teams that need speed and intelligence.
- 100 monitors
- 150,000 checks / mo
- 5-min polling · AI alerts
- JS rendering · 25,000 / mo
Business
billed monthly
For agencies and data-intensive teams.
- 500 monitors
- 750,000 checks / mo
- 1-min polling · Unlimited seats
- JS rendering · 100,000 / mo
Compare
Everything, side by side
| Feature | Free | Starter | Pro | Business |
|---|---|---|---|---|
| Monitors & speed | ||||
| Active monitors | 3 | 20 | 100 | 500 |
| Extra monitorsIncludes 150,000 additional checks/mo | — | — | — | +100 / $9/mo |
| Min polling interval | 60 min | 15 min | 5 min | 1 min |
| Monthly checksStandard checks consumed per calendar month across all monitors | 2,500 | 15,000 | 150,000 | 750,000 |
| Monitor types | ||||
| Web Page | ||||
| JSON API | ||||
| Sitemap | ||||
| RSS / Atom feeds | ||||
| Intelligence | ||||
| CSS / XPath selectors | ||||
| JS rendering (headless browser)For SPAs and dynamic content | ||||
| JS rendering checks / moExtra JS checks: $7.50 / 10,000 (Business only) | 7,500 | 25,000 | 100,000 | |
| AI alert modesPrice, availability, new items, custom prompt | ||||
| Notifications | ||||
| Webhook endpoints | 1 | Unlimited | Unlimited | Unlimited |
| Telegram | ||||
| Discord | ||||
| Slack | ||||
| Data & access | ||||
| Log history | 7 days | 30 days | 90 days | 1 year |
| Log storageOldest entries pruned when limit reached. Extra: $5 / 100 GB | 1 GB | 50 GB | 150 GB | 500 GB |
| HMAC webhook signatures | ||||
| REST API access | ||||
| Team | ||||
| Seats | 1 | 2 | 5 | Unlimited |
| SSO (SAML & OIDC)Workspace domain verification, IdP metadata | ||||
Add-ons
Scale beyond your plan
Need more? Add only what you use. Add-ons are billed monthly and can be adjusted at any time.
Extra monitors
from $1 / pack
+100 monitors and 150,000 additional checks per month. Can be stacked. Business plan only.
JS rendering checks
from $1 / 10K checks
Extra headless browser checks beyond your plan's monthly JS rendering limit. Starter and above.
Log storage
$5 / 100 GB
Extend log retention beyond your plan limit. Oldest entries are pruned when full. All plans.
FAQ
Common questions
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