Every client site, not only WordPress. The ManageWP alternative.
ManageWP maintains WordPress sites from inside, through a plugin on each one: updates, backups and security scans. SiteLetter does a different job: it checks sites on any platform from outside, page by page, and turns what it finds into a white-label report for your client.
Quick verdict
Every client site is WordPress, and maintenance is the retainer
Some client sites are not WordPress, or you want every monitored page checked daily
Run both if WordPress maintenance is part of your retainer and you also have sites that are not WordPress or want those daily page checks: ManageWP for updates, backups and security on the WordPress installs, SiteLetter for the monitoring and the client report on every site.
ManageWP pricing, checked
ManageWP prices WordPress maintenance per install:
| Plan | Price | What it covers |
|---|---|---|
| Free | $0 | Unlimited WordPress sites, with a monthly cloud backup, on-demand security and performance checks, basic client reports and the management dashboard. |
| Add-ons | $1 or $2 per site a month each | Uptime, Performance, Security, White Label, Advanced Reports, SEO Ranking and Link Monitor at $1; Backups and Vulnerability Protection at $2. Backups also come as a $75/mo bundle for up to 100 sites. |
| All-in-One bundle | $150/mo | Switches on every add-on except Vulnerability Protection, for up to 100 WordPress installs. |
Source: managewp.com/pricing US dollars, as ManageWP publishes them. Every line needs their Worker plugin, so each one covers WordPress installs only. Read from their pricing page on .
- 10 client sites with every monitor on: $48.00 a month, for up to 150 pages.
- Switch a monitor off for a site and that site costs less. See every rate.
- Prepaid credits, no subscription. If they run out, monitoring stops, and you are warned before it does.
Which is cheaper, and for what
ManageWP's closest add-ons cost less per site than SiteLetter with every monitor on, and from 32 to 100 installs, so does its bundle.
| ManageWP add-on | Price | SiteLetter |
|---|---|---|
| Uptime | $1.00 | Uptime |
| Performance | $1.00 | Page Scores |
| Link Monitor | $1.00 | Content Health |
| Advanced Reports | $1.00 | Client report |
| No add-on | Visual Changes: daily visual comparison | |
| No add-on | Renewals: SSL and domain expiry alerts | |
| A site a month | $4.00 | $4.80 with every monitor on |
ManageWP's other add-ons do work SiteLetter does not: Backups, Security, Vulnerability Protection, SEO Ranking and White Label (your branding on the Worker plugin in wp-admin).
| A month | All-in-One bundle | SiteLetter with every monitor on |
|---|---|---|
| 31 installs | $150.00 | $148.80 |
| 32 installs | $150.00 | $153.60 |
| 100 installs | $150.00 | $480.00 |
The bundle's price also buys the backups and security scans in it, which SiteLetter does not do.
What goes into each client's report
Page Scores
Lighthouse scores out of 100 for Performance, Accessibility, Best Practices and SEO, averaged across the monitored pages on mobile and desktop, each with its change since the last report.
Uptime
The uptime percentage for the period, a day-by-day calendar, and the longest incidents, each with its cause in plain words, such as "Site was offline", and how long it lasted.
Visual Changes
How many pages were checked and how many changed, then the top changes, each with a picture of the page, what changed, and a label such as Content update or Possibly broken.
Renewals
The days left on the SSL certificate and the domain, each with its expiry date and its issuer or registrar. Some country registries, such as .de and .at, do not publish a domain's expiry date, and then the report shows the certificate alone.
Content Health
How many links and images were checked, how many are broken and on how many pages, the change since the last report, and how many are not secure, such as links to pages without https.
White-label
Your logo, your brand colour, your reply-to address, and your agency name as the sender, with the SiteLetter name taken off by one toggle, sent from your own domain once you verify it. Until then, reports go out from a SiteLetter address. Each report can open with a note you write.
Where ManageWP wins
-
WordPress plugin and theme updates with one-click rollback
ManageWP's Safe Updates flow takes an automatic restore point before each update and reverts on failure, and its dashboard updates many sites at once.
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Encrypted incremental backups with 90-day retention
They run monthly on the Free tier, and on demand, hourly, daily or weekly with the paid add-on.
-
Security scans and vulnerability alerts
Free scans for malware, blacklist status, vulnerabilities, outdated software and site errors, run as often as you like, or scheduled daily or weekly with alerts on the paid add-on. A second add-on, Vulnerability Protection, alerts you in real time to known security flaws in plugins and themes.
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A free tier, and one bundle price at volume
The Free tier costs nothing. On a larger WordPress portfolio, the All-in-One bundle's single price is the smaller invoice of the two, up to its install cap.
Comparing other WordPress maintenance tools? See SiteLetter vs Watchful.
Feature-by-feature comparison
| Feature | ManageWP | SiteLetter |
|---|---|---|
| Platforms | ||
| WordPress sites | Yes, through the Worker plugin | Yes, checked from outside |
| Joomla, Drupal, Webflow, Framer, Squarespace, Shopify, static HTML, Next.js, Astro | No: WordPress only | Yes |
| WordPress maintenance | Where ManageWP goes deepest | |
| Updates with rollback, backups, security scans, one-click admin access | Yes | No |
| Page checks | Where SiteLetter goes deepest | |
| Page speed | Yes: a Performance Check on PageSpeed and YSlow rules, on demand, or daily or weekly on an add-on | Yes: Lighthouse's Performance, Accessibility, Best Practices and SEO on every monitored page, daily |
| Visual comparison with AI classification | Limited: during Safe Updates only | Yes: every monitored page, daily |
| Site checks | ||
| Broken links and assets | Yes: Link Monitor checks links on every post and page daily, up to 10,000 links a site, on an add-on | Limited: links and images on up to 15 pages a site, daily |
| Sitemap auto-discovery | Reads posts and pages from inside WordPress instead | Yes: synced weekly |
| Uptime | Yes: one URL a site every 60 seconds, confirmed before alerting, on an add-on | Yes: homepage every minute from the EU, a second region confirms a failure |
| SSL certificate and domain expiry alerts | Their feature list names neither | Yes, for both |
| Client reports | ||
| Scheduled email report | Yes: weekly, bi-weekly or monthly on the Advanced Reports add-on | Yes: weekly, bi-weekly, monthly or quarterly, included |
| Your branding on the report | Yes: your logo under their watermark on Free; no watermark and your own sending address on the Advanced Reports add-on | Yes: white-label per client, sent from your own domain once you verify it; no add-on |
| Drag-and-drop report builder | Editable sections and templates; section order on the report add-on | Yes |
| Recipients view reports without a login | Yes: PDF download and email delivery | Yes - the white-label report renders inside the email, and every report carries a public link that opens without an account. |
| Plans and platform | ||
| Pricing unit | 1 WordPress install, plus per-feature add-ons | 1 site (up to 15 pages), five monitors each at its own rate; no tiers, seats or per-page metering |
| Free start | A free tier with no end date | 14 days on 1 site, no card |
| Data retention | Backups 90 days on both tiers; they publish no other window | 2 years (730 days) of scans, screenshots, scores and reports on every account; raw uptime checks 280 days, incidents kept |
| Alert channels | Email, SMS, Slack | Email, Slack |
| Public REST API | Internal API; no public developer docs listed | Not available |
Sources: managewp.com/pricing, features Pricing and features read .
SiteLetter vs ManageWP: FAQ
Plenty that no update touches: a CDN change that stops product images loading, a stylesheet that goes missing, a third-party script that pulls in new CSS. ManageWP compares screenshots only while it runs an update, so a change that lands between updates falls outside that check. SiteLetter captures every monitored page each day and compares it with the last good capture, normally the previous day's. AI then sorts each change big enough to matter: noise such as a rotating banner or a cookie notice is left out of the client report, an intended edit is listed in it, and a likely break is flagged in the dashboard and in the report.
Not per site. ManageWP's add-ons closest to SiteLetter's monitors and client report (Uptime, Performance, Link Monitor and Advanced Reports) come to $4.00 a site a month, against $4.80 for SiteLetter with every monitor on, at any number of sites. From 32 to 100 sites, the All-in-One bundle at $150/mo (every add-on except Vulnerability Protection) costs less too; below 32 sites, SiteLetter is the smaller invoice against the bundle. The prices buy different work: SiteLetter's includes a daily visual comparison of every monitored page and SSL and domain expiry alerts, which ManageWP has no add-on for, and the bundle includes backups and security scans, which SiteLetter does not do.
Yes. SiteLetter installs nothing on your sites, so it runs beside ManageWP's Worker plugin without touching it. ManageWP keeps the updates, backups and security scans on your WordPress installs; SiteLetter checks the pages of every client site, on any platform, and sends the client report. The two overlap on uptime, performance checks, broken links and client reports, which ManageWP sells as add-ons, so on a site SiteLetter watches you can choose which of those to keep.
Yes for the monitoring and the client report, not for the maintenance. SiteLetter does not update plugins, keep backups or roll back a bad update, so keep ManageWP, or another WordPress maintenance tool such as MalCare or MainWP, for that work. Moving over means adding each client's domain, with nothing to install. New accounts start with enough credits to run one site with every check switched on for about two weeks. No credit card required. Try it first on a client site that is not WordPress.
Still have questions? Get in touch.
Comparison based on publicly available ManageWP pricing and feature documentation, read . ManageWP is a product of GoDaddy and a trademark of its respective owner, used here for identification and comparison purposes only. SiteLetter is independent and not affiliated with, sponsored by, or endorsed by ManageWP or GoDaddy. For the most current ManageWP pricing and feature information, see managewp.com.
Start with one client site ManageWP cannot reach.
Then read the report it gets.
- ✓ Keep ManageWP on WordPress. SiteLetter installs no plugin, so updates and backups stay where they are.
- ✓ Add a domain, any platform. SiteLetter finds up to 15 pages and checks them from outside.
- ✓ Nothing recurring. No subscription, no contract. You buy credits when you want them and each site spends its own.