Letters｜友人・知人への紹介＆口コミを広げて売上アップ vs Roster: Ambassador Marketingfor Shopify (2026)
Letters｜友人・知人への紹介＆口コミを広げて売上アップ and Roster: Ambassador Marketing are both Shopify apps designed to leverage existing customers to drive sales through referral and ambassador programs. Letters positions itself as a simple, Japanese-language-focused solution for turning customers into brand ambassadors, emphasizing ease of use and a risk-free, performance-based pricing model. They focus on word-of-mouth marketing amongst friends and family and have claimed they had over 25,000 referral purchases and have an average of 14 conversions a month per active store. Roster: Ambassador Marketing, on the other hand, is a broader platform aimed at building and managing a comprehensive ambassador community. It offers tools for recruitment, campaign management, reward fulfillment, and performance analytics, targeting merchants seeking a more structured and scalable approach to ambassador marketing. Roster emphasizes campaign management and UGC generation, and brand awareness, rather than just referral purchases.
At a Glance
Letters｜友人・知人への紹介＆口コミを広げて売上アップ
24 reviews
Roster: Ambassador Marketing
13 reviews
Detailed Overview
Letters｜友人・知人への紹介＆口コミを広げて売上アップ
【紹介購入成立件数、累計25,000件突破！アクティブ店舗の一店舗当たりの月間CVは平均14件以上】
Key Features
- ＜かんたん導入＞ 日本語、コード不要で簡単にどなたでも簡単に導入可能です。テキストを編集するだけですぐに紹介プログラムを実装することができます。
- ＜費用対効果の向上＞ 月額利用料(30日間無料)と成果報酬のみのアフィリエイト型課金モデルのためリスクフリーで新しいマーケティング施策を導入可能です。
- ＜新規の顧客獲得の強化＞ 既存顧客から新しい顧客へと自然に広がる紹介プログラムで、新規顧客の獲得を強力にサポートします。信頼性の高い口コミでブランド認知を拡大。
- ＜アフィリエイトの還元ツールとしても機能＞ インフルエンサーや既存顧客を活用し、手軽にアフィリエイトのツールとして代替することも可能です。
- ＜柔軟なインセンティブ設定＞ 紹介インセンティブはギフト券や寄付など、ニーズに合わせて柔軟に設定可能。社会貢献型のキャンペーンの設定などのアレンジも可能です。
Roster: Ambassador Marketing
Create a brand ambassador community. Engage your most passionate fans to drive awareness and sales.
Key Features
- Recruit. Discover & grow your ideal community with a suite of recruiting tools.
- Engage. Professional campaigns to generate UGC & drive brand awareness.
- Reward. Motivate & incentivize ambassadors with rewards & payments.
- Measure. Optimize influencer marketing with engagement data & ROI reporting.
Feature Comparison
| Rating | 4.2/5 | 5/5 |
Rating Letters｜友人・知人への紹介＆口コミを広げて売上アップ4.2/5 Roster: Ambassador Marketing5/5 | ||
| Reviews | 24 | 13 |
Reviews Letters｜友人・知人への紹介＆口コミを広げて売上アップ24 Roster: Ambassador Marketing13 | ||
| Primary Focus | Simple Referral Program | Ambassador Community Management |
Primary Focus Letters｜友人・知人への紹介＆口コミを広げて売上アップSimple Referral Program Roster: Ambassador MarketingAmbassador Community Management | ||
| Target Audience | Japanese-speaking merchants seeking simple referral program. No code or advanced design skills needed. | Merchants seeking a comprehensive ambassador marketing platform. |
Target Audience Letters｜友人・知人への紹介＆口コミを広げて売上アップJapanese-speaking merchants seeking simple referral program. No code or advanced design skills needed. Roster: Ambassador MarketingMerchants seeking a comprehensive ambassador marketing platform. | ||
| Pricing Model | Monthly fee + performance-based commission | Not specified, but likely subscription based. |
Pricing Model Letters｜友人・知人への紹介＆口コミを広げて売上アップMonthly fee + performance-based commission Roster: Ambassador MarketingNot specified, but likely subscription based. | ||
| Ease of Use | Emphasized; code-free setup | Not explicitly mentioned, but implied to be more complex due to feature set. |
Ease of Use Letters｜友人・知人への紹介＆口コミを広げて売上アップEmphasized; code-free setup Roster: Ambassador MarketingNot explicitly mentioned, but implied to be more complex due to feature set. | ||
| Language Support | Japanese | English (assumed) |
Language Support Letters｜友人・知人への紹介＆口コミを広げて売上アップJapanese Roster: Ambassador MarketingEnglish (assumed) | ||
| Key Differentiator | Focus on easy implementation and cost-effectiveness | Full suite of tools for managing ambassador programs, from recruitment to analytics |
Key Differentiator Letters｜友人・知人への紹介＆口コミを広げて売上アップFocus on easy implementation and cost-effectiveness Roster: Ambassador MarketingFull suite of tools for managing ambassador programs, from recruitment to analytics | ||
| Incentive Flexibility | Gift cards, donations, etc. | Rewards & payments - (more general rewards are implied) |
Incentive Flexibility Letters｜友人・知人への紹介＆口コミを広げて売上アップGift cards, donations, etc. Roster: Ambassador MarketingRewards & payments - (more general rewards are implied) | ||
Our Verdict
Letters｜友人・知人への紹介＆口コミを広げて売上アップ is ideal for Japanese-speaking Shopify merchants seeking a straightforward, easy-to-implement referral program focused on word-of-mouth marketing within their existing customer base. Its performance-based pricing model and no-code setup make it a low-risk option for businesses new to referral marketing.
Roster: Ambassador Marketing is better suited for merchants looking to build and manage a more sophisticated and scalable ambassador program. Its comprehensive suite of tools, including recruitment, campaign management, and analytics, caters to businesses ready to invest in a more strategic and data-driven approach to ambassador marketing.
Common Questions
Which app is easier to set up?
Letters｜友人・知人への紹介＆口コミを広げて売上アップ emphasizes its ease of use with a code-free setup, making it likely easier to implement than Roster: Ambassador Marketing.
Which app is better for managing a large number of ambassadors?
Roster: Ambassador Marketing is designed for managing a larger ambassador community with its recruitment, campaign management, and communication tools. Letters｜友人・知人への紹介＆口コミを広げて売上アップ is best for focusing on simple referrals.
Which app is more cost-effective for a small business?
Letters｜友人・知人への紹介＆口コミを広げて売上アップ's performance-based pricing model may be more cost-effective for small businesses, as they only pay when referrals convert into sales. Roster: Ambassador Marketing has no listed cost so it is hard to assume which may be cheaper.
Which app is better for tracking ROI?
Roster: Ambassador Marketing includes program performance reports and analytics, which make it better suited for tracking the return on investment of ambassador marketing efforts. Letters｜友人・知人への紹介＆口コミを広げて売上アップ focuses more on driving referrals than providing in-depth analytics.
If I want UGC (User Generated Content), which is better?
Roster: Ambassador Marketing includes professional campaigns to generate UGC, making it the better option if your main aim is the creation of user generated content.
Get More From Your Shopify Store
Run audits for SEO, CRO, PageSpeed, and AI visibility. Get a clear report and actionable fixes.
Try Fix My Store