Shopify developer
Letters Inc.
1 app in the dataset with 24 reviews in total, the oldest launched Apr 15, 2019. Competes mainly in Affiliate programs.
Apps
1
0 Built for Shopify
Reviews in total
24
Count-weighted rating
4.60
across all rated apps
Country
JP
ワークコート渋谷松濤, 松濤１丁目２８−２, Shibuya-ku, JP-13, 150-0002, JP
Portfolio
| # | App | Rating | Reviews | Last 180 days | From | Free plan | Trial | Built for Shopify | Launched | Category | Integrations | Tier |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  Letters｜友人・知人への紹介＆口コミを広げて売上アップ【初回30日間無料トライアル実施中】日本製リファラルマーケティングNo.1アプリ。ネット通販の時代に最適なクチコミ戦略！ | 4.6(24) | 24 | 0 | $39/month | No | 30 days | No | 2019 | Affiliate programs | none listed | Emerging |
Contact and resources
As stated on the listings. Email addresses are not republished; only the domain.
- Website:
- hp.letters.co.jp
- Support email domain:
- letters.co.jp
- Shopify partner page:
- apps.shopify.com/partners/letters-inc
- Resources listed:
- Privacy policy, FAQ, Tutorial, App Documentation
Data as of Oct 15, 2026, from the public Shopify App Store listing. How the numbers are computed: methodology.