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Open-Source Licenses

Last updated 2026-05-07.

RecalcCalcu is built with Apple frameworks (SwiftUI, SwiftData, StoreKit 2, WidgetKit, ActivityKit, App Intents, CoreSpotlight). It does not bundle any third-party Swift package as of v1.0.

Public APIs consumed at runtime:

Frankfurter (foreign-exchange rates)

Endpoint api.frankfurter.dev. Free public service relaying European Central Bank reference rates. Terms.

CoinGecko (cryptocurrency prices)

Endpoint api.coingecko.com. Free tier (no API key). Terms.

Apple SDKs

Use of Apple frameworks is governed by the Apple Developer Program License Agreement. Symbols rendered with SF Symbols are Apple's intellectual property and may be used in apps as permitted by Apple's SF Symbols license.

Translations

UI strings are localized into English, Japanese, German, Simplified Chinese, Traditional Chinese, Spanish, French, Korean, Brazilian Portuguese, and Italian. Translations are produced by the developer and may be refined in updates.

Contact

If you believe a license requirement is unmet, email support@recalccalcu.com and we will correct it promptly.