Subprocessor List
AppBoost is operated from Japan under Japanese law. The Japanese version of this page is the authoritative reference; this English version is provided for convenience.
This page discloses the third-party services (subprocessors) that AlphaByte Inc. (the “Company”) relies on to operate AppBoost. For more detail on how data is handled, see the Privacy Policy.
Current subprocessors
| Vendor | HQ | Region | Purpose | Data shared |
|---|---|---|---|---|
| Vercel Inc. | USA | Global Edge / USA | Hosting and delivery | Access logs (IP, UA, request URL, …) |
| Supabase, Inc. | USA | Tokyo (ap-northeast-1) | Database (PostgreSQL) and authentication | All data registered in the Service (email, apps, keywords, rank history, …) |
| Resend, Inc. | USA | USA | Daily Digest and notification email delivery | Email address, digest body |
| Google LLC (Gemini API) | USA | USA | AI features such as keyword research | Text submitted by the user |
| Google LLC (Google Analytics 4) | USA | USA | Site analytics | Cookie ID, UA, anonymised IP, navigation events |
| Apple Inc. (iTunes Search / RSS API) | USA | USA | Fetching App Store charts and public reviews | No personal data shared (public lookups only) |
| Stripe, Inc. (Privacy Policy / DPA) | USA | USA | Paid plan billing, Subscription management, Customer Portal | Email, card data (held by Stripe, never on our servers), billing address, payment history. PCI DSS Level 1 / SOC 2 / ISO 27001 certified. |
Notification of changes
We may add or replace subprocessors as needed. For material changes we will update this page and, where appropriate, notify users by email or via the Service.
Changelog
- 2026-05-14: Added Stripe, Inc. (USA). Published in advance of the paid-plan launch, alongside the related code and DB schema work.
- 2026-05-02: Initial version.