Acknowledgements
oqouis built on the work of the open-source community and on freely licensed open data. We’re grateful to the projects below, and we honor their licenses.
Grammatical gender & article data
The instant article shown for a tapped noun (German der/die/das, French le/la, Spanish el/la, Italian il/la, Portuguese o/a) is built from open lexical data. In each case we filtered the source to single-word nouns and reduced every entry to its lemma and definite article; the derived tables are made available under the same Creative Commons Attribution-ShareAlike 4.0 license as their sources:
- German — German Wiktionary via gambolputty/german-nouns. © Wiktionary contributors.
- French — Lexique 3 (B. New & C. Pallier).
- Spanish — the UniMorph project (Wiktionary-derived).
- Italian & Portuguese — Wiktionary via kaikki.org (wiktextract). © Wiktionary contributors.
Supertonic — on-device neural text-to-speech
The natural on-device voice is powered by soniqo/speech-swift, an on-device neural speech engine. The library is licensed under Apache 2.0; the bundled voice models remain subject to their respective model licenses.
RevenueCat — Purchases SDK
Subscriptions and entitlements are managed with RevenueCat purchases-ios, licensed under the MIT License.
Firebase Apple SDK
Anonymous authentication, analytics, and crash reporting use the Firebase Apple SDK, licensed under Apache 2.0.
oqoualso makes use of Apple’s system frameworks (including Natural Language, Translation, and Speech) and other standard open-source components. If you believe an attribution is missing or incorrect, please let us know at support@oqou.app.