Feedback & ideas
¡YapZee!

Credits

Everything ¡YapZee! is made of, and who made it.

Made by

Pisith Soeun

Founder

  • Code written withClaude Code · Codex
Pisith Soeun taking a bow

The cast

The people in the pictures are characters. The one exception is Pisith, who appears as himself in still pictures.

Voices

  • The castFish Audio

Pictures

  • The cast, scenes and landmarksGPT Image 2.5
  • Culture picturesSeedream 5.0 Flash
  • Both run throughHiggsfield
  • The homepage globe's mapNatural Earth Public domain

The map is drawn from the world-atlas package ISC

Music and sound

  • The storybook musicSonilo Music
  • Made throughHiggsfield
  • Progress and emotion sounds, the countdown and the Texting musicElevenLabs

Lettering

  • Luckiest Guy

    Big headings

    Copyright © 2010 Brian J. Bonislawsky DBA Astigmatic (AOETI)

    Apache 2.0 License text

  • Shantell Sans

    Anything a person wrote

    Copyright © 2022 The Shantell Sans Project Authors

    SIL OFL 1.1 License text

  • DM Sans

    Small labels and buttons

    Copyright © 2014 The DM Sans Project Authors

    SIL OFL 1.1 License text

  • Martian Mono

    Numbers

    Copyright © 2021 The Martian Mono Project Authors

    SIL OFL 1.1 License text

Ideas

  • Audio recallDr. Paul Pimsleur
  • Spaced reviewAnki
  • Again, Hard, Good and Easy are scheduled withFSRS, in ts-fsrs MIT

Copyright © 2026 Open Spaced Repetition. Neither Pimsleur nor Anki is a partner of ¡YapZee!, and neither name implies an endorsement.

Code

The website

  • Next.jsMIT
  • ReactMIT
  • Tailwind CSSMIT

The app

  • React Native and ExpoMIT
  • Reanimated and Gesture HandlerMIT
  • SkiaMIT
  • Lucide iconsISC

Every library, with its copyright line, is in the small print.

Giulia applauding

Corrections

Is your work here and listed wrong, or missing? Write to support@yapzee.ai.

Fatemeh cheering

The small print

Every library and its license

The website

  • @supabase/auth-js MIT © 2020 Supabase
  • @tailwindcss/postcss MIT © Tailwind Labs, Inc.
  • libphonenumber-js MIT © 2016 @catamphetamine <purecatamphetamine@gmail.com>
  • next MIT © 2025 Vercel, Inc.
  • react MIT © Meta Platforms, Inc. and affiliates.
  • react-dom MIT © Meta Platforms, Inc. and affiliates.
  • tailwindcss MIT © Tailwind Labs, Inc.

The app

  • @react-native-async-storage/async-storage MIT
  • @react-native-masked-view/masked-view MIT © 2015-present, Facebook, Inc.
  • @sentry/react-native MIT © 2017-2024 Sentry
  • @shopify/react-native-skia MIT © 2021-present, Shopify Inc.
  • @supabase/supabase-js MIT © 2020 Supabase
  • expo MIT © 2015-present 650 Industries, Inc. (aka Expo)
  • expo-apple-authentication MIT © 2015-present 650 Industries, Inc. (aka Expo)
  • expo-asset MIT © 2015-present 650 Industries, Inc. (aka Expo)
  • expo-audio MIT © 2015-present 650 Industries, Inc. (aka Expo)
  • expo-constants MIT © 2015-present 650 Industries, Inc. (aka Expo)
  • expo-crypto MIT © 2015-present 650 Industries, Inc. (aka Expo)
  • expo-file-system MIT © 2015-present 650 Industries, Inc. (aka Expo)
  • expo-font MIT © 2015-present 650 Industries, Inc. (aka Expo)
  • expo-haptics MIT © 2015-present 650 Industries, Inc. (aka Expo)
  • expo-image MIT © 2015-present 650 Industries, Inc. (aka Expo)
  • expo-image-manipulator MIT © 2015-present 650 Industries, Inc. (aka Expo)
  • expo-image-picker MIT © 2015-present 650 Industries, Inc. (aka Expo)
  • expo-linear-gradient MIT © 2015-present 650 Industries, Inc. (aka Expo)
  • expo-linking MIT © 2015-present 650 Industries, Inc. (aka Expo)
  • expo-localization MIT © 2015-present 650 Industries, Inc. (aka Expo)
  • expo-notifications MIT © 2015-present 650 Industries, Inc. (aka Expo)
  • expo-router MIT
  • expo-secure-store MIT © 2015-present 650 Industries, Inc. (aka Expo)
  • expo-splash-screen MIT © 2015-present 650 Industries, Inc. (aka Expo)
  • expo-status-bar MIT © 2015-present 650 Industries, Inc. (aka Expo)
  • expo-system-ui MIT © 2015-present 650 Industries, Inc. (aka Expo)
  • expo-web-browser MIT © 2015-present 650 Industries, Inc. (aka Expo)
  • libphonenumber-js MIT © 2016 @catamphetamine <purecatamphetamine@gmail.com>
  • lucide-react-native ISC © 2026 Lucide Icons and Contributors
  • posthog-react-native MIT © 2020 Posthog / Hiberly, Inc.
  • react MIT © Meta Platforms, Inc. and affiliates.
  • react-dom MIT © Meta Platforms, Inc. and affiliates.
  • react-native MIT © Meta Platforms, Inc. and affiliates.
  • react-native-gesture-handler MIT © 2016 Software Mansion <swmansion.com>
  • react-native-purchases MIT © 2023 RevenueCat
  • react-native-reanimated MIT © 2016 Software Mansion <swmansion.com>
  • react-native-safe-area-context MIT © 2019 Th3rd Wave
  • react-native-screens MIT © 2018 Software Mansion <swmansion.com>
  • react-native-shake MIT © 2024 Quan Pham
  • react-native-svg MIT © [2015-2016] [Horcrux]
  • react-native-view-shot MIT © 2016 Gaëtan Renaudeau
  • react-native-web MIT © Nicolas Gallagher.
  • react-native-worklets MIT © 2024 nobody

On our servers

These run on our servers, not on your device.

  • @anthropic-ai/sdk MIT © 2023 Anthropic, PBC.
  • @aws-sdk/client-s3 Apache 2.0
  • @google/genai Apache 2.0
  • drizzle-orm Apache 2.0
  • hono MIT © 2021 - present, Yusuke Wada and Hono contributors
  • jose MIT © 2018 Filip Skokan
  • js-tiktoken MIT
  • libphonenumber-js MIT © 2016 @catamphetamine <purecatamphetamine@gmail.com>
  • nunjucks BSD 2-Clause © 2012-2015, James Long
  • openai Apache 2.0
  • posthog-node MIT © 2020 Posthog / Hiberly, Inc.
  • sharp Apache 2.0
  • stripe MIT © 2011 Ask Bjørn Hansen
  • ts-fsrs MIT © 2026 Open Spaced Repetition
  • yaml ISC © Eemeli Aro <eemeli@gmail.com>
  • zod MIT © 2025 Colin McDonnell
License texts

MIT

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

ISC

Permission to use, copy, modify, and/or distribute this software for any purpose with or without fee is hereby granted, provided that the above copyright notice and this permission notice appear in all copies.

THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

BSD 2-Clause

Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:

1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.

2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

You read all of it.

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