Seller Book: 出品者のためのプロフェッショナルな売上・利益追跡ツール

Seller Book is a sales management app designed for people who sell items on flea market apps. You can easily manage your sales, costs, and profits directly on your iPhone or iPad. No Excel or PC is required. Seller Book was developed in collaboration with experienced flea market sellers to make sales tracking simple, visual, and mobile-friendly. Whether you are just starting to sell or already managing many items, Seller Book helps you stay organized and understand your business at a glance. [Features] No PC required. Manage your sales anytime, anywhere. Monthly sales, costs, and profits are displayed in easy-to-read graphs. Optimized for smartphone input, allowing quick and simple data entry. [Plans] [Free Plan] You can use basic sales management features with no limitations. [Paid Options] Product Master ($29.99 one-time purchase) This option is ideal for sellers who handle a large number of items. Manage identical products using templates Store product images and descriptions for flea market listings Link product data with your sales records This is a one-time purchase with no recurring charges. Premium Plan ($4.49 per month) This plan provides cloud-based data synchronization. Sync data across multiple iPhones and iPads using the same account Enter data on your iPhone while outside and review sales data on your iPad at home A free trial is available for first-time subscribers. [Auto-Renewing Subscription] Subscriptions automatically renew unless canceled at least 24 hours before the end of the current period. The renewal fee will be charged within 24 hours after the end of the current period. [How to Cancel] Open the App Store app, tap your Apple ID, select View Apple ID, then select Subscriptions. From there, you can manage or cancel your Seller Book subscription. [Terms of Use] https://sellerbook.herokuapp.com/terms [Customer Support] If you have any questions or issues, please contact us at: sellerbook.customer@gmail.com