Product comparison
OnChange vs Visualping
Visualping is one of the oldest website change monitoring tools, with a strong consumer and Chrome-extension presence. OnChange targets developer and agency teams who need faster checks, API monitoring, and deploy-aware debugging.
Both products detect changes on web pages and alert you. The choice comes down to speed, breadth (API monitoring and WCAG), and whether your team writes code. If any of those matter, OnChange will be the stronger fit; if you just need clean screenshot-based monitoring for a handful of pages, Visualping is well-built for that.
Feature comparison
Scroll horizontally to compare both products.
| Feature | OnChange | Visualping |
|---|---|---|
Free plan available OnChange free: 5 monitors, all alert channels, full API access. Visualping Free: 5 pages and 150 checks per month, with a shortest selectable interval of 60 minutes. | ||
Sub-minute check intervals OnChange: 30s on Business, 10s on Enterprise. Visualping: 15 minutes on Personal 1K, 5 minutes on Personal 5K, and 2 minutes on Personal 10K and Business, subject to monthly check quotas. | ||
Visual (screenshot) diffs | ||
Text diff detection | ||
API / JSON endpoint monitoring Visualping is primarily screenshot-based and doesn't natively diff JSON responses. | ||
CSS selector targeting | ||
AI change summaries OnChange provides qualifying summaries on paid plans within daily budgets. Visualping publishes AI summaries on all plans. | ||
Git commit correlation Link a repository to investigate recent commits alongside the detected change. Correlation is a lead for review, not proof of causation. | ||
WCAG accessibility scans On-demand axe-core scans with attested baselines for VPAT workflows. | ||
Free public screenshot tool OnChange ships a free anonymous URL-to-PNG tool; Visualping requires an account for screenshot capture. | ||
Slack / Discord alerts | ||
Custom webhooks | ||
REST API access Visualping publishes API access on every plan; API checks use the plan allowance. | ||
Team collaboration | ||
Change history retention OnChange: 90 days on every plan. | ||
No browser required (fully cloud) |
OnChange plan availability: visual comparisons, JavaScript rendering, and AI summaries start on Pro; multi-region monitoring and automations start on Business. AI features have daily usage budgets. Git correlation requires a linked repository and supports investigation by a reviewer. Compare current OnChange plan limits.
Comparison based on publicly available information. Visualping's feature set may have changed since publication. Verify the current details on their website.
Choose the product that fits the work
Pick OnChange if
- You need sub-minute check intervals to catch flash sales, price drops, or API regressions
- You want JSON / REST API monitoring alongside page change detection
- Your team ships code and wants to investigate which recent commits may explain a regression
- You're an agency or in-house team with WCAG compliance obligations
- You want full API access and all alert channels on every plan, including free
- You want a REST API you can script against from CI or custom dashboards
Pick Visualping if
- You only need visual screenshot-based monitoring, no API tracking
- You prefer Visualping's specific UI, Chrome extension workflow, or existing integrations
- Your use case is primarily personal or non-technical (they have a polished consumer UX)
- You want daily or weekly checks and don't care about sub-minute intervals
Pricing
Visualping Personal 1K costs $14/month or $120 billed annually and includes 10 pages, 1,000 monthly checks, and a shortest selectable interval of 15 minutes. Those quotas do not allow every page to run at that frequency continuously. OnChange Pro costs $12/month for 50 monitors with 60-second checks; Free includes 5 monitors with 30-minute checks.
Pricing and check intervals reviewed September 24, 2026. This review covers the stated prices, quotas, and intervals.
Check Visualping's official pricing and availabilityMigration plan
Collect the URLs and monitoring rules you use in Visualping, then recreate a small representative set in OnChange. Verify selectors, captured evidence, baseline behavior, and notification delivery before moving the remaining watches. Keep any required historical records available and check your OnChange plan capacity before expanding the watchlist.
Try OnChange free
5 monitors, all alert channels and full API access, no credit card required. Start with one monitor and migrate at your own pace.