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Acumo: English Usage

Words & phrases that trip you
LOKO TECHNOLOGIES LTD. · Education
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App info

Developer
LOKO TECHNOLOGIES LTD.
Category
Education, Reference
Released
Oct 6, 2026
Version
1.1.0 (Oct 13, 2026)
Price
Free
Size
18.4 MB
Requires
iOS 17.0
Age rating
9+
Languages
English

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Acumo Pro$14.99
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About Acumo: English Usage

Acumo is for advanced learners of English, B2 to C2, who know most of the words and keep mixing up a few. Adverse and averse. Imply and infer. Discreet and discrete. Most vocabulary apps teach you more words; Acumo teaches the difference between the words you already know. WHAT YOU WILL CONFUSE IT WITH, AND WHY Open any word and a strip beneath it shows the words you are most likely to mix it up with, each labelled with the reason they collide: the same sound, a near sound, a look-alike spelling, a swapped prefix, a usage trap, or a phrasal-verb family. Tap one and the two sit side by side, with the line that separates them. More than 4,500 confusable pairs, and all of it is free. EVERYTHING ON ONE SCREEN Pronunciation in IPA with audio, part of speech, register, a plain-English meaning, an example sentence, collocations, and a usage note where one helps. More than 8,500 words and…
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