References and Translations

Online Translators & Dictionaries

2025-07-05

LibreTranslator (5@5) 1 $Contains no trackers known to us \o/$ LastUpdate: 2022-07-30 Codeberg; uses LibreTranslate
DeepL Translate (4.7@343,374) 8 2
Easy Language Translator (4.6@224,275) Ǥ 9 3
PONS Translate & Dictionary (4.6@65,327) Ǥ 11 7 Vorstellung 10/2022
Power Thesaurus (4.6@6,297) Ǥ 8 12
Smart Translator (4.6@6,148) Ǥ 12 3 Google Translate
Concise Oxford Thesaurus (4.6@2,230) Ǥ 11 4
Photo Translator (4.6@525) Ǥ 8 3
Oxford Dictionary & Thesaurus (4.5@528,018) Ǥ 18 6 / Webster’s College Dictionary (4.8@3,834) Ǥ 9 6
Talking translator/Traductor (4.5@154,051) Ǥ 15 3 LastUpdate: 2023-05-26
Word Hippo (4.4@6,291) Ǥ 7 2 Thesaurus and Word Reference
Dictionary - Merriam-Webster (4.2@532,949) Ǥ 14 6 / Dictionary - M-W Premium (4.4@9,768; ~EUR 8.00) Ǥ 10 3
Translate Intent (4.1@435) 3 3 LastUpdate: 2020-08-03 Google Translate
European Translator Free (4.1@194) Ǥ 14 3 LastUpdate: 2023-05-26 many more translation apps available from this dev
Speak to Voice Translator (4@18,519) Ǥ 16 7 multi-engine: Google, MS, Baidu, Yandex
Translate Box - multiple trans (4@6,899) Ǥ 15 6 multi-engine: Google, MS, Baidu, Yandex
ASL Translator (4@144; ~EUR 5.50) 5 $Contains no trackers known to us \o/$ Sign Language (Gebärdensprache)
Free Dictionary Org (3.8@16,834) Ǥ 6 3
Day Translations (3.8@318) Ǥ 22 5
Urban Dictionary (Official) (3.6@51,023) Ǥ 7 11 LastUpdate: 2019-10-29
LEO dictionary (3.5@38,491) Ǥ 7 2 Datenschutz-Test 5/2021
Translator (3.5@2,365) Ǥ 5 2
iTranslate Translator (3.4@398,646) Ǥ 14 16 Vorstellung 3/2017
EverTranslator ScreenTranslate (3.4@2,394) Ǥ 9 5 Github; translates what is on your screen
Traductor de Softcatalà (3@922) Ǥ 6 2 Github; Catalan to Spanish/English/French/Portuguese
TS Translator (2@1,978) 11 3 LastUpdate: 2022-01-23
Translate You (0@0) 3 $Contains no trackers known to us \o/$ Github
InstaLate (0@0) 5 $Contains no trackers known to us \o/$ LastUpdate: 2021-12-15 GitLab; doesn't require you to switch apps by hand
DeepL (0@0) 3 $Contains no trackers known to us \o/$ Github
SilverDict (0@0) 2 $Contains no trackers known to us \o/$ Github
SimplyTranslate Mobile (0@0) 5 $Contains no trackers known to us \o/$ Github; uses SimplyTranslate
WaDoku (0@0) 3 $Contains no trackers known to us \o/$ Japanisch-Deutsch
monocles translator (0@0) 3 $Contains no trackers known to us \o/$ LastUpdate: 2023-09-25 Codeberg
Lentil Translate (0@0) 3 $Contains no trackers known to us \o/$ LastUpdate: 2023-09-25 Github
Jiten Japanese Dictionary [Online] (0@0) 1 $Contains no trackers known to us \o/$ LastUpdate: 2021-08-08 Github
JS-Dict (0@0) 2 $Contains no trackers known to us \o/$ Github; Japanese-English dictionary app powered by Jisho.org
freeDictionaryApp (0@0) 7 $Contains no trackers known to us \o/$ Github; client for OwlBot dictionary
Adapt It Mobile (0@0) 3 $Contains no trackers known to us \o/$ Github; translate between related languages
Toadua (0@0) 2 $Contains no trackers known to us \o/$ Github; collaborative Toaq dictionary

Offline Translators & Dictionaries

2025-07-05

EnglishWhiz (4.9@10) 1 $Contains no trackers known to us \o/$ LastUpdate: 2022-05-16 Github; more than 177k words, fully offline
Dictionary - WordWeb (4.8@139,195) Ǥ 5 $Contains no trackers known to us \o/$ English Dictionary & Thesaurus
Russian-English dictionary (4.8@11,387) Ǥ 20 28 several more languages available
Define (4.8@1,120) 7 $Contains no trackers known to us \o/$ LastUpdate: 2016-11-22 Github
QuickDic Dictionary (4.8@811) 4 $Contains no trackers known to us \o/$ Github
Pocket Thesaurus (4.7@6,160) Ǥ 16 5
Galnet Dictionary (4.7@38) 0 $Contains no trackers known to us \o/$ LastUpdate: 2021-12-02 Github
words.hk 粵典 (4.7@30) 5 1 Github
Offline English Dictionary (4.6@9,322) 3 3
SinGal Dictionary (4.6@9) 0 $Contains no trackers known to us \o/$ LastUpdate: 2021-11-16 Github; Galician synonyms
Dict Box: Universal Dictionary (4.5@56,099) Ǥ 16 10 many languages available, integrates with other apps
dict.cc dictionary (4.5@23,878) Ǥ 6 2
Poet Assistant (English) (4.5@2,933) 3 $Contains no trackers known to us \o/$ Github
Notification Dictionary (4.5@14) 5 $Contains no trackers known to us \o/$ Github
English Dictionary - Offline (4.4@418,353) 5 $Contains no trackers known to us \o/$
onTouch English Dictionary (4.4@4,297) 4 1 LastUpdate: 2019-12-24 Intro 1/2017
English dictionary - offline (4.4@2,276) Ǥ 20 28 several more languages available
Greek Reference: Ancient Greek (4.4@768) 2 $Contains no trackers known to us \o/$ Github
Kaku (4.3@626) Ǥ 7 3 LastUpdate: 2022-05-14 Github; Japanese OCR Dictionary
Aard Dictionary (4.3@389) 1 $Contains no trackers known to us \o/$ LastUpdate: 2014-07-16 / Aard 2 (4.8@434) 2 $Contains no trackers known to us \o/$ Github; can integrate with both FBReader and Cool Reader / Github
Floating Dictionary (4.3@374) 7 $Contains no trackers known to us \o/$ LastUpdate: 2018-10-08 English terms; (note: Internet-permission was dropped in recent version)
HoverDict Floating Dictionary (4.2@142) Ǥ 6 $Contains no trackers known to us \o/$ LastUpdate: 2017-03-26 Wordnet; Internet permission for IAP plugins to access additional sources (Urban, Google)
Kalimaty - Your Own Dictionary (4.2@96) Ǥ 8 3 Intro 7/2020
Diconfinement (4.2@59) 2 $Contains no trackers known to us \o/$ Github
Dictionary.com: English Words (4.1@982,414) Ǥ 16 5
Erudite Dictionary Translator (4.1@24,063) Ǥ 14 8 dictionaries, flashcards, and more, many languages available – good for learning!
Collocations Thesaurus Offline (4@520) Ǥ 9 2
Arcus Dictionary (4@6) Ǥ 5 $Contains no trackers known to us \o/$ LastUpdate: 2020-02-05 / Arcus Dictionary Pro (4.6@1,932) Ǥ 5 $Contains no trackers known to us \o/$ LastUpdate: 2020-01-31
Senreta Vortaro (3.9@28) 0 $Contains no trackers known to us \o/$ LastUpdate: 2020-10-19 Github; English/Esperanto
GoldenDict Free (3.6@4,309) 5 1 LastUpdate: 2018-12-03 Wikipedia (EN)
Offline Translator: German (3.2@346) Ǥ 13 2
Offline dictionaries (3.1@89,291) Ǥ 6 3 / Offline dictionaries pro (2.9@925; ~EUR 2.50) Ǥ 6 1
Dictionary Offline (3.1@13,162) 4 2 LastUpdate: 2014-04-29
DictionaryForMIDs (3@383) 2 $Contains no trackers known to us \o/$ LastUpdate: 2018-09-14
Jargons Colombia (0@0) 0 $Contains no trackers known to us \o/$ LastUpdate: 2023-12-25 GitLab
OSS-Dict (0@0) 3 $Contains no trackers known to us \o/$ Github; fork of Aard 2
QDict (0@0) 4 $Contains no trackers known to us \o/$ LastUpdate: 2021-05-02 Github; uses dictionaries in StarDict format
Lane’s Lexicon (0@0) 2 $Contains no trackers known to us \o/$ LastUpdate: 2023-12-16 Github; Arabic English Dictionary
WTF‽ (The MirOS Project) (0@0) 1 $Contains no trackers known to us \o/$ LastUpdate: 2017-08-08 Github; wtf acronyms database
Jiten Japanese Dictionary (0@0) 1 $Contains no trackers known to us \o/$ LastUpdate: 2021-07-31 Github
Nani? (0@0) 2 $Contains no trackers known to us \o/$ LastUpdate: 2022-08-03 Japanese/English
Fujiten (0@0) 3 $Contains no trackers known to us \o/$ Github; Japanese dictionary
JMdict droid (0@0) 2 $Contains no trackers known to us \o/$ Github; Japanese to English dictionary
Sumatora (0@0) 0 $Contains no trackers known to us \o/$ LastUpdate: 2020-12-07 Github
Nheengaré (0@0) 1 $Contains no trackers known to us \o/$ LastUpdate: 2022-06-24 Github

Translators & Dictionaries with Online & Offline mode

2025-07-05

Dictionary (4.8@297,518) Ǥ 11 10 / Dictionary Pro (4.6@9,016; ~EUR 11.00) Ǥ 6 3
U Dictionary Translator (4.4@1,290,349) Ǥ 23 15
Google Translate (4.2@9,060,373) Ǥ 22 $Contains no trackers known to us \o/$ with live translation of e.g. street signs / Live-Übersetzung
ColorDict Dictionary (3.6@43,361) Ǥ 9 1 StarDict format
Fora Dictionary (3.4@2,680) Ǥ 7 $Contains no trackers known to us \o/$ StarDict, XDXF, DSL, DICTD and Plain (TSV) formats
Reykunyutsyìp (0@0) 3 $Contains no trackers known to us \o/$ Github; Na'vi

Lookup: Wikipedia & Co.

2025-07-05

EveryWiki: Wikipedia++ (4.6@2,866) 3 $Contains no trackers known to us \o/$ LastUpdate: 2019-09-30
LoboWiki Reader for Wikipedia (4.5@711) 1 $Contains no trackers known to us \o/$ LastUpdate: 2017-01-15
Wikipedia (4.4@695,283) Ǥ 18 $Contains no trackers known to us \o/$ / Wikipedia Beta (4.5@36,108) Ǥ 14 $Contains no trackers known to us \o/$ Github
Aard Dictionary (4.3@389) 1 $Contains no trackers known to us \o/$ LastUpdate: 2014-07-16 / Aard 2 (4.8@434) 2 $Contains no trackers known to us \o/$ Github; can integrate with both FBReader and Cool Reader / Github
Kiwix (4.2@38,148) 15 $Contains no trackers known to us \o/$ Github; Wikipedia DE | EN; Anleitung 12/2015 - 10/2022
wikiHow: how to do anything (4.1@52,043) Ǥ 5 5 Learn how to do anything
Voice Wiki (4.1@856) 5 1 LastUpdate: 2017-12-20
Speakipedia— audio wikipedia (3.2@549) Ǥ 8 3 LastUpdate: 2023-09-02
XOWA - Wikipedia Offline (1@101) 5 2 LastUpdate: 2018-11-03
WikiReader (0@0) 2 $Contains no trackers known to us \o/$ Github

Translators for various languages

French Translators

2025-07-05

French German Dictionary (3.8@1,286) 5 2 / French German Dictionary (4@5; ~EUR 5.50) 5 $Contains no trackers known to us \o/$
Offline French German Dictionary (3.2@1,114) 7 16 LastUpdate: 2023-02-17

Latin Translators

2025-07-05

AuxLat Demo (4.5@16) 0 $Contains no trackers known to us \o/$ / AuxLat: Der Lateinübersetzer (5@4; ~EUR 2.00) 0
Lateinon: Lateinalleskönner (4.3@522) 7 3

Russian Translators

2025-07-04

Russian German Translator (4.4@4,952) Ǥ 10 6
German-Russian Dictionary (4.4@956) Ǥ 8 5 / Russian-English Dictionary (4.8@4,287) Ǥ 10 1
German Russian Dictionary (4@180) Ǥ 7 9

Spanish Translators

2025-07-05

Free Dict Spanish English (4.7@583) Ǥ 5 5 LastUpdate: 2017-07-08
Spanish English Dictionary (4.6@22,587) Ǥ 13 13
Spanish German Dictionary (2.3@38) 5 2 / Spanish German Dictionary (1@1; ~EUR 5.50) 5 1

Translators for various languages topics

Jura Translators

2025-07-05

Deine Rechte (5@5) 1 $Contains no trackers known to us \o/$ LastUpdate: 2020-08-31 Deine Rechte im Kanton Bern
JLaw Gesetze (4.7@920) 3 $Contains no trackers known to us \o/$ Vorstellung 1/2017
gesetze.io - Jura digital (4.7@821) 3 $Contains no trackers known to us \o/$ DE + EU & more
Lawdroid – Deutsche/EU-Gesetze (4.6@1,056) Ǥ 13 3 / Lawdroid AT – Österreichische Gesetze und EU-Recht (4.4@94) Ǥ 10 3
Law Dictionary (3.9@1,136) 2 1 LastUpdate: 2020-09-04
juris DAV (3.6@138) 6 $Contains no trackers known to us \o/$
Gesetze (3.4@1,937) Ǥ 5 4 LastUpdate: 2020-05-18
Bürgerliches Gesetzbuch (3.2@437) 2 1 LastUpdate: 2017-11-15

Also see: AppsFürJuristen

Medical Translators

2025-07-05

Medical Terminology Dictionary | Free & Offline (5@118) 2 1 LastUpdate: 2020-07-05
Dorland’s Medical Dictionary (4.8@2,272) Ǥ 11 6
Diseases Dictionary Medical (4.6@28,278) Ǥ 6 2 LastUpdate: 2023-08-30
WikiMed Medical Encyclopedia (4.6@26,254) 9 $Contains no trackers known to us \o/$ Vorstellung 10/2017
Diseases Treatment Dictionary (4.6@21,008) Ǥ 5 3
Offline Medical Dictionary (4.6@5,361) Ǥ 4 2
Medical Dictionary by Farlex (4.5@8,400) Ǥ 6 3
Medical Abbreviations (4.5@263) 3 2
Oxford Medical Dictionary (4.4@9,627) Ǥ 9 6
MAG Medical Abbreviations DE (4.4@941) Ǥ 7 8 LastUpdate: 2020-02-24 / MAG Medical Abbreviations (4.2@2,046) Ǥ 7 8 LastUpdate: 2020-02-28 / MAG Medical Abbreviations FR (5@752) Ǥ 7 8 LastUpdate: 2019-06-10 / Medical Abbreviations RU (4.3@396) Ǥ 5 7 LastUpdate: 2018-01-17
Medical Terminology Dictionary (4.3@20,780) Ǥ 10 6
Medical Abbreviations (4.3@68) 1 6
Medical Dictionary (4.2@46) 3 2
Medical terminology - Offline (4@5,425) Ǥ 8 2 / Disorder & Diseases Dictionary (4.8@2,372) Ǥ 8 1 LastUpdate: 2023-06-02
Medical Psychiatric Dictionary (3.9@898) Ǥ 6 2 LastUpdate: 2023-09-02
Taber’s Medical Dictionary... (3.8@1,319) Ǥ 12 4

Also see: Medical References

Fun dictionaries

2025-07-05

The Devil’s Dictionary (4.4@41) Ǥ 9 3 a satirical „reference“ book

Various dictionaries and translators

2025-07-05

PReVo - Vortaro de Esperanto (4.9@510) 0 $Contains no trackers known to us \o/$ Github; Esperanto dictionary
boQwI’ (Klingon language) (4.5@742) 6 $Contains no trackers known to us \o/$ Github
Kamus Bahasa Inggris (Offline) (4.4@49,243) Ǥ 7 5 LastUpdate: 2018-07-14 Indonesian
Hebrew/English Translator (4@2,093) 6 3 LastUpdate: 2023-06-12
LexinProject (4@423) 4 $Contains no trackers known to us \o/$ LastUpdate: 2014-01-09 Swedish dictionary for learners
Oxford Learner’s Thesaurus (3.8@379) Ǥ 10 $Contains no trackers known to us \o/$ LastUpdate: 2016-02-20 Vorstellung 12/2015; English; 100 entries free, in-app upgrade ~EUR 30

Providers of multiple apps on this topic:

BitKnights
GreenLife Apps (various translators/dictionaries)
Bede Products
CJKI
Study Center

Further Readings:

Category Language Guides
Category Vocabulary & Flash Cards
The 5 Best Thesaurus Apps for Android and iOS (11/2022)
Expand Your Vocabulary With These 6 Dictionary Apps for Android and iPhone (10/2022)
Top 10 Dictionary Apps for Android (7/2020)
The 20 Best Medical Dictionary Apps For Android Device (4/2019 - 12/2022)

2025-07-11

IzzyOnDroid