Letters｜友人・知人への紹介＆口コミを広げて売上アップ Reviews

What people think about this app?

Letters is highly praised for its user-friendliness, cost-effectiveness, and ability to generate new customers through referrals. Customers appreciate its simple setup, responsive customer support, and automation features that increase repeat purchases. The app's ability to support offline promotion and customize incentives for CSR initiatives is also lauded. One negative review highlights the need for more customization options for metrics tracking. Overall, Letters is highly regarded for its effectiveness in driving sales and brand awareness through referral programs, making it a standout solution for businesses seeking to leverage the power of word-of-mouth marketing.