Disclosures

Permissive license — use, copy, modify, merge, publish, distribute, sublicense, sell. Must include copyright + permission notice.

• SwiftTasksVision (MediaPipe Swift wrapper)

  MIT

  Used for: Same upgrade path for Image Description. Not bundled with the current build; stub recognizer runs today.

  MIT License — permits use, copy, modification, merge, publish, distribute, sublicense, and/or sell copies of the Software, subject to including the copyright and permission notice.

• SvelteKit

  MIT

  Used for: This marketing site framework.

  MIT License (same terms as above). Site is deployed as an edge application via @sveltejs/adapter-cloudflare.

• @sveltejs/adapter-cloudflare

  MIT

  Used for: Cloudflare Workers deployment adapter used by the marketing site.

  MIT License.

Permissive license with explicit patent grant — use, modify, distribute. Must preserve notices, include license copy, and mark modifications.

• Google MediaPipe Tasks

  Apache 2.0

  Used for: Documented upgrade path for Image Description when the SwiftTasksVision + MediaPipe bundle is integrated. Not bundled with the current build.

  Apache License 2.0 — permits commercial use, modification, distribution, and private use, subject to inclusion of the notice file and a copy of the license.

Permits use, embedding, and redistribution of the font for commercial and non-commercial purposes. Attribution is required and the font may not be sold on its own.

• Inter font family

  SIL Open Font License 1.1

  Used for: Primary typeface across the marketing site.

  The SIL Open Font License 1.1 permits commercial and non-commercial use, embedding, and redistribution, with attribution. Inter is served from fonts.gstatic.com — it is not bundled into the site’s own assets.

Governed by Apple’s SDK / Developer Program License Agreement. Covers system frameworks + SF Symbols, which are linked at runtime and never redistributed separately.

• Apple Vision Framework

  Apple Usage Terms

  Used for: On-device image classification, OCR, face / body / barcode / animal detection used by the Image Description wizard

  Bundled with every iOS SDK; no separate license file. Usage is governed by the Apple Developer Program License Agreement. The ensemble of VNClassifyImageRequest, VNRecognizeTextRequest, VNDetectFaceRectanglesRequest, VNDetectHumanRectanglesRequest, VNDetectBarcodesRequest, and (iOS 17+) VNDetectAnimalBodyPoseRequest runs entirely on-device.

• Apple NaturalLanguage Framework

  Apple Usage Terms

  Used for: Post-recognition sentence smoothing (NLTagger for lemma-based dedup, name-type OCR case normalization) and grammar-aware capitalization in the keyboard suggestion pipeline.

  Bundled with every iOS SDK; same Apple Developer Program License Agreement applies.

• SF Symbols

  Apple Usage Terms

  Used for: Every iconography surface across the iOS app (tab bar, key callouts, wizard steps, settings rows).

  SF Symbols are provided by Apple under the Xcode / SDK license. Symbols themselves must not be redistributed; they are rendered at runtime from the system font and are not bundled into the iSureType app binary as art assets.

• CryptoKit — SHA256

  Apple Usage Terms

  Used for: SHA-256 hashing for Import/Export file integrity checks (see `/templates` for the per-file hashes surfaced to users).

  SHA-256 digests are computed via Apple’s CryptoKit framework under the standard Apple Developer Program License Agreement. The hash surfaces in the Import wizard + on the marketing site’s templates gallery so receivers can verify a file arrived intact.

• UITextChecker

  Apple Usage Terms

  Used for: Spelling recovery on the T9 buffer so the suggestion panel surfaces real words even when a stray tap clips a neighbouring key.

  UIKit class available on every iOS device; same Apple Developer Program License Agreement.

All rights reserved. Not open-source; source is not redistributed. Available to beta testers under Apple’s TestFlight Terms of Service.

• iSureType

  Proprietary

  Used for: Application source + assets

  iSureType itself is proprietary and all rights are reserved. It is not open-source; the source code is not redistributed. Beta testing is governed by Apple's TestFlight Terms of Service as linked from the site footer.

Bespoke terms — see the Details column for the specific attribution requirement.

• Corpus + brand-name seeds

  Custom

  Used for: Curated vocabulary used by the T9 suggestion engine, Image Description vision vocabularies, and the shipped Autocorrect defaults.

  Assembled from public-domain word lists and curated vendor corpora. Individual list attributions are maintained alongside the source bundles in the iSureType build tree.