Applications › Language Learning

Language Learning

What 6 leading Language Learning apps are built on: the providers each one ships in its code or lists as an integration, grouped by layer and capability, and joined to the catalog.

6 reference apps 15 providers 15 observed in code 0 declared only 100.0% in the catalog 24.0 mean Kin Score 3 with a verified MCP server
How to read this. observed the integration ships in the app (SDK in a dependency file, source code, or an Android build analysis). declared the app names the integration itself (README, integrations page, store listing). Every row links the source it was read from. Providers not yet in the catalog are marked queued for profiling. Blueprint by API Evangelist, CC BY-NC-SA 4.0. Capabilities marked Turbo EA come from Turbo EA Capabilities by Vincent Verdet, CC BY 4.0 (notice); those marked API Evangelist extension are CC BY-NC-SA 4.0.

domain layer 4 capabilities
Dictionaries & Lexical Reference 5 providers · AE-230.90 · API Evangelist extension

Dictionaries & Lexical Reference capability

ProviderEvidenceAppsKin ScoreAgent readinessMCP
Wiktionary observed [1] [2] Lute, VocabSieve 47.8 developing 35.0 agent-ready none found
Glosbe observed [1] Lute 8.7 minimal 0.0 human-only none found
Jisho.org observed [1] Yomitan 6.2 minimal 0.0 human-only —
MDBG Chinese Dictionary observed [1] Lute 5.7 minimal 0.0 human-only —
Kheng.info observed [1] Lute 3.4 minimal 0.0 human-only —
Machine Translation 5 providers · AE-110.40.10 · API Evangelist extension
ProviderEvidenceAppsKin ScoreAgent readinessMCP
DeepL observed [1] [2] LinguaCafe, Lute 59.8 strong 36.4 agent-ready verified
Google Translate observed [1] VocabSieve 51.6 developing 17.9 agent-aware none found
LibreTranslate observed [1] LinguaCafe 26.2 thin 23.8 agent-aware verified
MyMemory (Translated) observed [1] LinguaCafe 10.0 minimal 0.0 human-only none found
Bing Translator (Microsoft) observed [1] Lute 0.0 minimal 0.0 human-only none found
Flashcards & Spaced Repetition 1 providers · AE-220.70 · API Evangelist extension

Flashcards & Spaced Repetition capability

ProviderEvidenceAppsKin ScoreAgent readinessMCP
AnkiWeb (Ankitects) observed [1] [2] [3] Anki, AnkiDroid, LinguaCafe, VocabSieve 9.2 minimal 18.7 agent-aware —
Pronunciation Audio 3 providers · AE-230.90.10 · API Evangelist extension
ProviderEvidenceAppsKin ScoreAgent readinessMCP
Wikimedia Commons observed [1] Yomitan 45.8 developing 28.9 agent-ready none found
Forvo observed [1] VocabSieve 9.0 minimal 0.0 human-only —
LanguagePod101 (Innovative Language) observed [1] Yomitan 4.4 minimal 0.0 human-only —

common layer 1 capabilities
Product Usage Analytics 1 providers · BC-4280.30 · Turbo EA

Product Usage Analytics capability

ProviderEvidenceAppsKin ScoreAgent readinessMCP
Google Analytics observed [1] AnkiDroid 72.1 exemplar 41.8 agent-ready verified

Reference apps

Anki open-source-saas

https://github.com/ankitects/anki

1 observed · 0 declared
  • observed ships the AnkiWeb (Ankitects) SDK or integration code source

Read from: dependency manifest, source code

AnkiDroid open-source-saas

https://github.com/ankidroid/Anki-Android

2 observed · 0 declared
  • observed ships the AnkiWeb (Ankitects) SDK or integration code source
  • observed ships the Google Analytics SDK or integration code source

Read from: Android build analysis (Exodus Privacy, reports.exodus-privacy.eu.org), dependency manifest, source code

LinguaCafe self-hosted

https://github.com/simjanos-dev/LinguaCafe

4 observed · 0 declared
  • observed ships the AnkiWeb (Ankitects) SDK or integration code source
  • observed ships the DeepL SDK or integration code source
  • observed ships the LibreTranslate SDK or integration code source
  • observed ships the MyMemory (Translated) SDK or integration code source

Read from: dependency manifest, source code, source code

VocabSieve self-hosted

https://github.com/FreeLanguageTools/vocabsieve

4 observed · 0 declared
  • observed ships the AnkiWeb (Ankitects) SDK or integration code source
  • observed ships the Forvo SDK or integration code source
  • observed ships the Google Translate SDK or integration code source
  • observed ships the Wiktionary SDK or integration code source

Read from: documentation, source code

Lute self-hosted

https://github.com/LuteOrg/lute-v3

6 observed · 0 declared
  • observed ships the Bing Translator (Microsoft) SDK or integration code source
  • observed ships the DeepL SDK or integration code source
  • observed ships the Glosbe SDK or integration code source
  • observed ships the Kheng.info SDK or integration code source
  • observed ships the MDBG Chinese Dictionary SDK or integration code source
  • observed ships the Wiktionary SDK or integration code source

Read from: source code, source code

Yomitan self-hosted

https://github.com/yomidevs/yomitan

3 observed · 0 declared
  • observed ships the Jisho.org SDK or integration code source
  • observed ships the LanguagePod101 (Innovative Language) SDK or integration code source
  • observed ships the Wikimedia Commons SDK or integration code source

Read from: source code

Where these apps are listed

See also the shared layer under every category.