#1 Visualping Alternative
Watch pages, sitemaps, and a site’s key pages through one API, get signed webhooks, and pay 1 credit per page check with failed runs free. Visualping’s paid plans cost $5 to $14 per 1,000 checks and count failed checks against the plan; Context.dev Pro costs $0.90.
Checking 50 pages every hour
Business 40K $280 vs Pro $90, November 2026 list prices
Visualping uses one check every time it visits a page, failed checks included, and Business 40K is its smallest single plan that covers 36,000. Context.dev bills 1 credit per page run and nothing for failed or skipped runs. Billed annually, the plans cost $200 and $75 a month.
Powering agents and products with the world's data.
Why switch
Visualping is a no-code monitoring app with an API on top. Context.dev is an API for software that acts on changes: page, sitemap, and site monitors from 1 credit a run, signed webhooks, and scraping, crawling, and search on the same key.
- Key difference
$0.90 per 1,000 page checks, not $5 to $14
Visualping sells checks in monthly bundles: 1,000 for $14 on Personal 1K, and $7.00 per 1,000 on every larger plan ($5.00 billed annually). A Context.dev page or sitemap run costs 1 credit, so 1,000 checks cost $0.90 on Pro ($90 for 100,000 credits). A page checked hourly uses 720 checks in a 30-day month: about $0.65 on Context.dev Pro and $5.04 on Visualping.
- Billing
Failed runs are free
Visualping’s monitor health page says each failed check uses one check from the plan, so a page that times out or blocks the crawler keeps spending the allowance, and monitoring pauses when checks run out. Context.dev charges nothing for failed or skipped runs, records an error code on each one, and pauses a monitor for you after 10 failures in a row.
- Scale
1,000 monitors on Pro, not 200 pages on Business 20K
Every Visualping plan caps the pages you can watch: 5 on Free, 10 to 40 on Personal, and 200 to 500 on Business, with extra pages through sales. Context.dev plans cap monitors at 10 on Free, 100 on Developer, 1,000 on Pro, 5,000 on Growth, and 10,000 on Scale, and your credits decide how often each one runs.
- Targets
Sitemaps and a site’s key pages on every plan
A sitemap monitor reports URLs added to or removed from a sitemap, filtered by path patterns, for 1 credit a run. An extract monitor tracks up to 50 pages of a site chosen by your instructions, with an optional JSON Schema, for 10 credits a run. Visualping lists domain monitoring and structured data outputs only on its custom-quoted Solutions plan, and its webhook’s extracted_data field requires Solutions.
- Webhooks
Signed events with retries, history, and replay
Context.dev signs every webhook with HMAC-SHA256 in an X-Context-Signature header, retries on a seven-step schedule when you turn retries on, keeps 30 days of delivery history, and replays events from the last 7 days. A run.completed event gives you a heartbeat for every run. Visualping sends webhooks on every plan, and its webhook guide documents the payload but no signature to verify it.
- Noise
Decide in code what counts as a change
Page monitors take CSS include and exclude selectors and ignore whitespace-only edits. Add instructions and a semantic monitor fetches the page again to confirm a difference, then an AI judge reports it with an importance and a confidence score only above your threshold (0.75 by default). Sitemap monitors re-read the sitemap before reporting URLs, so a rebuild in progress doesn’t fire.
- Platform
Scrape, crawl, map, and search on the same key
When a monitor fires, call Scrape on the same key for Markdown, HTML, or JSON against your schema (5 credits), map or crawl the site, or search the web. Context.dev ships TypeScript, Python, Ruby, Go, and PHP SDKs, a CLI, and an MCP server. Visualping offers a REST API and an MCP server on every plan, and its GitHub organization publishes no SDKs. See the Monitors API for examples.
What one request really costs
What 1,000 monitor runs cost on Context.dev Pro ($90) and Visualping Business 20K ($140), by kind of check. Visualping bills one check per page visit; Context.dev prices by target and skips failures.
| Request | Context.dev | Visualping | Difference |
|---|---|---|---|
| A page checkA text diff, or an AI judge applying your criteria | $0.90 | $7.00 (1 check) | 7.8x more |
| A page check after clicks or a loginBrowser actions before capture; paid plans on Context.dev | $1.80 (2 credits) | $7.00 (1 check) | 3.9x more |
| A check that failsThe page couldn’t be fetched or had no usable text | $0 | $7.00 (1 check) | Billed |
| A site’s key pages, chosen by instructionsUp to 50 pages a run, judged against what you care about | $9.00 (10 credits) | Solutions plan | Custom quote |
| JSON from a changed pageA Scrape with JSON extraction after the change fires | $4.50 (5 credits) | Solutions plan | Custom quote |
Derived from Context.dev Pro ($90 for 100,000 credits) and Visualping Business 20K ($140 for 20,000 checks) at monthly billing. Every Visualping plan above Personal 1K works out to $7.00 per 1,000 checks monthly or $5.00 annually. Visualping rates are from visualping.io/pricing and visualping.io/monitor-health.
Full comparison
| Feature | Context.dev | Visualping |
|---|---|---|
| Monitoring | ||
| Watch a page for text changes | Yes | Yes |
| Screenshot (visual) diffs | No | Yes |
| Sitemap monitors for added or removed URLs | Yes | Not documented |
| Watch a site’s key pages chosen by instructions | 10 credits a run | Solutions, on request |
| Search monitors for new web results | 2 credits a run | Not documented |
| Plain-language alert criteria | Yes | Yes |
| Focus on part of a page | CSS selectors | Area or XPath |
| Shortest check interval | 10 minutes | 2 minutes, Personal 10K and up |
| Clicks, typing, or a login before each check | Up to 5 actions, paid plans | Every plan |
| Pages behind 2FA or SSO | No | Chrome extension |
| Business-hours schedules | No | Yes |
| Alerts & Delivery | ||
| Webhooks | HMAC-signed | Signature not documented |
| Webhook retries and replay | Yes | Not documented |
| Email alerts | No | Yes |
| SMS alerts | No | Personal 5K and up |
| Slack | Incoming webhook, every plan | Business plans |
| Microsoft Teams, Discord, Google Chat | No | Business plans |
| Google Sheets logging | No | Business plans |
| Native Zapier app and n8n node | No | Yes |
| Alert when a monitor keeps failing | Run status by API or heartbeat | Email by default |
| Pricing & Billing | ||
| Billing unit | 1 credit per page run | 1 check per page visit |
| 1,000 page checks | $0.90 on Pro | $7.00 on Business |
| Failed checks | Free | One check each |
| Pages or monitors on the $90 to $140 plan | 1,000 monitors | 200 pages |
| Free plan | 1,000 credits, 10 monitors | 150 checks, 5 pages |
| Developer Experience | ||
| REST API | Yes | Every plan |
| MCP server | Yes | Yes |
| TypeScript, Python, Ruby, Go, and PHP SDKs | Yes | None published |
| Published monitor API rate limit | 1,000 requests a minute | 200 a minute, diffs only |
| No-code dashboard | Drafts monitors from a sentence | Yes |
| Also Included: Web Data | ||
| Scrape any URL to Markdown, HTML, or JSON | Yes | No |
| Crawl and map a site | Yes | No |
| Web search with page content | Yes | No |
| Brand profile by domain, name, email, or ticker | Yes | No |
Cost per 1,000 checks
Public list prices on both sites, broken down to the cost of 1,000 checks at each tier. A check is one visit to one page on Visualping, and one page or sitemap monitor run on Context.dev, which bills 1 credit for it.
| Tier | Context.dev | Visualping |
|---|---|---|
| Free | Free $0/mo 1,000 credits 2 concurrent requests $0 per 1K page or sitemap checks | Free $0/mo 150 checks 5 pages, hourly at most 5 pages checked about once a day |
| Entry | Developer $20/mo 5,000 credits 10 concurrent requests $3.33–$4.00 per 1K page or sitemap checks | Personal 5K $35/mo 5,000 checks 20 pages, every 5 min at most $5.00–$7.00 per 1K checks |
| Mid | Pro $90/mo 100,000 credits 100 concurrent requests $0.75–$0.90 per 1K page or sitemap checks | Business 20K $140/mo 20,000 checks 200 pages, every 2 min at most $5.00–$7.00 per 1K checks |
| Growth | Growth $300/mo 500,000 credits 250 concurrent requests $0.50–$0.60 per 1K page or sitemap checks | Business 40K $280/mo 40,000 checks 400 pages, every 2 min at most $5.00–$7.00 per 1K checks |
| High volume | Scale $500/mo 1,000,000 credits 500 concurrent requests $0.42–$0.50 per 1K page or sitemap checks | Business 50K $350/mo 50,000 checks 500 pages, every 2 min at most $5.00–$7.00 per 1K checks Custom Solutions plans above that |
- A Visualping check is one visit to one page, and failed checks count. Context.dev bills 1 credit per page or sitemap run, 2 with browser actions or for a search monitor, 10 for a site’s key pages, and nothing for failed or skipped runs. Each range runs from yearly to monthly billing.
- Visualping plans also cap pages: 5 on Free, 10 to 40 on Personal, and 200 to 500 on Business. Context.dev plans cap monitors: 10 on Free, 100 on Developer, 1,000 on Pro, 5,000 on Growth, and 10,000 on Scale.
- Visualping prices, checks, pages, and intervals are from visualping.io/pricing (November 8, 2026). Personal 1K ($14 a month, or $120 a year) works out to $10.00 to $14.00 per 1,000 checks. Visualping lists Personal plans for individuals, students, and families; Business plans start at $140 a month and add Slack, Microsoft Teams, and more users.
- Visualping’s shortest check interval is 60 minutes on Free, 15 on Personal 1K, 5 on Personal 5K, and 2 on Personal 10K and above. Context.dev monitors run as often as every 10 minutes. Neither carries unused checks or credits into the next month.
Prices and plans checked on .
Which one fits
Both watch websites for changes. These are the cases where the choice is clear. For formats, pricing, and code, see the Context.dev website change monitoring API.
Choose Context.dev if
- Software acts on the change: you want HMAC-signed webhooks with retries and replay, run and change history over the API, and SDKs in five languages.
- You check pages often or at volume. At $0.90 per 1,000 checks on Pro, a page checked hourly costs about $0.65 a month, and failed runs cost nothing.
- You watch sitemaps for new or removed URLs, or a site’s key pages chosen by instructions, without a custom Solutions contract.
- You also need the page itself: scrape it to Markdown, HTML, or JSON, crawl or map the site, or search the web on the same key.
Choose Visualping if
- Non-technical teammates will set up and review the monitors. Visualping’s dashboard, Chrome extension, and screenshot diffs need no code.
- You want alerts by email, SMS, Slack, Microsoft Teams, Discord, or Google Sheets without building a receiver for them.
- Layout and visual changes matter, or you need checks every 2 minutes. Context.dev compares text and runs every 10 minutes at most.
- Pages sit behind 2FA or SSO, or you want the vendor to set monitors up for you. Visualping’s Chrome extension checks pages in your signed-in browser, and its Solutions plan includes managed workflows and premium support.
A few things to know.
More details in the API documentation.
What is the best Visualping alternative?
For developers, Context.dev is a Visualping alternative built as an API. Its monitors watch a page, a sitemap, or a site’s key pages on a schedule as often as every 10 minutes, send HMAC-signed webhooks, and cost 1 credit per page or sitemap run, $0.90 per 1,000 checks on the $90 Pro plan, with failed runs free. Visualping is the better fit for non-technical teams who want screenshot diffs and email, SMS, or Slack alerts without writing code.
How much does Visualping cost?
As of November 8, 2026, Visualping is free for 150 checks a month on 5 pages. Personal plans cost $14, $35, and $70 a month for 1,000, 5,000, and 10,000 checks, and Business plans cost $140 to $350 a month for 20,000 to 50,000 checks. Billed annually, paid plans cost $10 to $250 a month. That works out to $5 to $14 per 1,000 checks. Solutions plans are quoted by sales. Context.dev Pro is $90 a month for 100,000 credits, $0.90 per 1,000 page checks.
Is Visualping free?
Yes. Visualping’s free plan covers 5 pages and 150 checks a month, with checks no more often than every 60 minutes, which Visualping says is enough to check all 5 pages about once a day. It includes email alerts, webhooks, AI change summaries, and API access. Context.dev’s free plan includes 1,000 credits a month and 10 monitors, enough to check one page every hour or 10 pages three times a day.
Does Visualping have an API?
Yes. Visualping includes a REST API and an MCP server on every plan, including Free, for creating monitors, reading changes, and setting up webhooks. API use draws on the same monthly check quota, and its API reference publishes a rate limit only for the diff endpoint, at 200 requests a minute. The Context.dev Monitors API adds sitemap, site, and search monitors, signed webhooks with retries, SDKs in TypeScript, Python, Ruby, Go, and PHP, and a published limit of 1,000 requests a minute.
How does Visualping count checks?
Visualping uses one check every time it visits a page, so a page checked hourly uses 720 checks in a 30-day month and a page checked daily uses up to 31. Failed checks count too, unused checks don’t roll over, and monitoring pauses when the allowance runs out. On Context.dev a page or sitemap run costs 1 credit and failed or skipped runs are free, so the same hourly page costs about $0.65 a month on Pro against $5.04 at Visualping’s $7.00 per 1,000.
How do I monitor a website for changes with Context.dev?
Send one POST /v1/monitors request with a target (a page URL, a sitemap, or a site with instructions), a schedule from every 10 minutes to once a year (daily by default), and a webhook URL. The first run captures a baseline; later runs compare against it and send a signed change.detected event with the diff. The dashboard can also draft a monitor from a sentence. The website change monitoring API page has code in five languages.
How does Context.dev cut false alerts compared with Visualping?
Both let you describe the changes that matter in plain language. Context.dev page monitors also take CSS include and exclude selectors and ignore whitespace-only edits. With instructions, a semantic monitor fetches the page again to confirm a difference, and an AI judge reports it only above your confidence threshold, 0.75 by default. Sitemap monitors re-read the sitemap before reporting URLs. Visualping flags every change as important or not, and Business plans add feedback that tunes its false-alert handling.
When is Visualping the better choice?
Choose Visualping when people without engineering support will set up and review the monitors, when you want screenshot diffs of layout changes, or when alerts should arrive by email, SMS, Slack, Microsoft Teams, or Google Sheets with no receiver to build. It also checks as often as every 2 minutes, runs page actions on every plan, monitors pages behind 2FA or SSO through its Chrome extension, and offers managed setup on its Solutions plan. Context.dev compares text, runs at most every 10 minutes, and delivers by webhook or API.
Can I migrate from Visualping to Context.dev?
Yes, by recreating each Visualping job as a monitor. List your jobs with Visualping’s GET /v2/jobs, then create a Context.dev page monitor for each URL: the interval becomes the schedule, a selected area or XPath becomes CSS include_selectors, “Alert me when” text becomes instructions, and page actions become up to 5 browser actions on a paid plan. Point the webhook at your own receiver or at a Slack incoming webhook, which gets formatted messages. Screenshot diffs, email and SMS alerts, and local Chrome monitors have no Context.dev equivalent.
More comparisons
Other APIs that teams compare with Context.dev, or see every comparison.
- Context.dev vs FirecrawlFirst of four on TRACE at 87.0% useful pages to Firecrawl’s 82.3%. The same 100,000 credits for $90 instead of $99, with 100 concurrent requests instead of 25.
- Context.dev vs ScraperAPINo credit multipliers for JavaScript rendering or protected domains. Crawl, search, and JSON extraction on the same key.
- Context.dev vs ScrapingBeeJavaScript rendering, premium proxies, and stealth mode stack credits on ScrapingBee. Every page is 1 credit here.
Ready to switch from Visualping?
Point a monitor at the pages you watch today, send changes to a signed webhook, and start on the free plan’s 1,000 credits and 10 monitors.