Disclosures

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

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 text recognition powering the OCR wizard.

  VNRecognizeTextRequest (iOS 16 and 17) and RecognizeDocumentsRequest (iOS 26+) run entirely on-device — photos never leave the phone. No third-party weights are bundled.

• Apple NaturalLanguage Framework

  Apple Usage Terms

  Used for: Grammar-aware capitalisation + OCR case normalisation via NLTagger in the suggestion + OCR pipelines.

  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 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.