Testimonial SaaS — built for Japan
Collect, manage, and display testimonials in one place. Build trust and credibility on your website.
クレジットカード不要。10件まで永久無料。
「Since using Koe, collecting customer testimonials has become so easy. After embedding the widget on our site, inquiries increased by 30%.」
30%
Conversion Lift
Average LP improvement
5 min
Setup Time
From account creation to widget install
10,000+
Collected
Total testimonials collected via Koe
How it works
Enter your service name and a collection form is auto-generated
Send the form link via email or social media
Display collected testimonials with beautiful widgets
Features
Collect text and photo testimonials with a single shareable link
Display as carousel, Wall of Love, cards, and more — matching your site's design
Approve, tag, and favorite. Manage everything from one dashboard
Measure impact in real-time from your dashboard. Track conversion improvements with data
Copy and paste to finish. Install on any website in seconds
Looks beautiful on smartphones too. Fully responsive design
Testimonials
「Since using Koe, collecting customer testimonials has become so easy. After embedding the widget on our site, inquiries increased by 30%.」
「We used to collect feedback with Google Forms, but managing it was a hassle. With Koe, everything is centralized in one dashboard — it's been a lifesaver.」
「Even though I'm not tech-savvy, I set up a form and displayed it on my site in 10 minutes. Our customers love how easy it is to share their feedback.」
「The Wall of Love widget is amazing. Our landing page conversion rate visibly improved. For ¥980/month, the ROI is incredible.」
Pricing
Start free, upgrade when you need to
10 testimonials, branding on widgets
Unlimited testimonials, no branding, basic widgets
All features, advanced widgets, AI features
¥0¥980¥2,980
FAQ
Yes, you can use Koe free forever for up to 10 testimonials. No credit card required.
No credit card is needed for the free plan. You only need to provide payment info when upgrading to a paid plan.
Yes, you can freely configure themes, colors, fonts, and display options to match your site's design.
Yes, all submitted testimonials can be approved or rejected from your dashboard before they go live.
Setup takes about 5 minutes on average — create an account, create a project, and paste the code on your site.
Yes, you can cancel anytime from your dashboard. You'll retain access until the end of your current billing period.
No credit card required. Free forever up to 10 testimonials.