Castio

Guide

The best review wall software

Pull your strongest reviews into one trustworthy wall and embed it where buyers decide.

Great reviews are spread across G2, Trustpilot, app stores, your inbox and DMs. Review wall software gathers the best of them into one curated block you control.

The right tool lets you show the review, the rating, and where it came from — then embed the whole thing on the pages that matter.

A real Castio wall

Maya Patel

Head of Ops · Northwind Labs

💬

We replaced three tools with this in a week. Onboarding was the smoothest I've seen in years.

via Email

Internal dashboard

📈

Activation up 34%

New-user activation jumped 34% in the first month after switching.

via Analytics

Dev Okonkwo

@devbuilds

📣

Okay this just became my favorite launch of the quarter. Clean, fast, does exactly what it says.

Tara Lindqvist

Founder · Cadence

★★★★★ Worth every minute saved

Set up our first proof wall in under five minutes and embedded it on our pricing page same day.

via G2
Try it free

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What review wall software should include

A credible review wall makes the source clear and keeps the focus on the substance of each review.

  • Star ratings and review titles
  • Source labels (G2, Trustpilot, app store, email)
  • Curation so only your best reviews show
  • On-brand theme and a CTA

Manual-first keeps it honest

Castio is manual-first: you add each review as a card, set it to approved, and it appears. You stay in control of accuracy and presentation, with no fragile integrations to maintain.

Embed where it converts

Publish and copy the iframe snippet to add your review wall to a product page, pricing page or checkout — anywhere a buyer needs reassurance.

Frequently asked questions

What is a review wall?+

A curated display of customer reviews — often with ratings and source labels — embedded on your site to build trust.

Can I show star ratings?+

Yes. Add a rating to a review card and it renders in your wall's accent color.

Does it import from review platforms automatically?+

Direct review-platform imports are on the roadmap. Today you add reviews manually, which keeps your wall curated and accurate.

Where should I place a review wall?+

On high-intent pages such as product, pricing and checkout, where reassurance lifts conversion.

Build your first proof wall today

Free to start. No social logins. Live in five minutes.