Takoboto is described as 'Japanese dictionary & Japanese language learning tool' and is an app in the Education & Reference category. There are nine alternatives to Takoboto for Android, Windows, Online / Web-based, Mac and Linux. The best alternative is Tagaini jisho, which is both free and Open Source. Other great apps like Takoboto are Jisho (Free), zkanji (Free, Open Source), Sumatora (Free, Open Source) and Akebi Japanese Dictionary (Free).
An offline Japanese dictionary for Android using JMdict (Japanese-Multilingual Dictionary). Display exact term/term at the beginning/term included reverse search from the translation in any of the supported languages. Also search in romaji, hiragana and katakana.
Japanese-English offline dictionary with handwriting recognition. No ads. Dictionary data is KANJIDIC from The Electronic Dictionary Research and Development Group, and example sentences from The Tatoeba Project.
Front end for online Japanese dictionary service Jim Breen's WWWJDIC hosted by Monash University. Search kanji by radicals. Pronunciation by text to speech. Includes sample sentences. User handwriting recognition via Kanji Recognizer (separate, non-free app).
RomajiDesu is a free online bi-directional Japanese-English dictionary, Kanji dictionary, Sentence analyzer and Japanese to Romaji/English translator, and Romaji to Hiragana/Katakana Converters for Japanese learners.