Kidioms 2 vs CitizIN
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Kidioms 2
This app makes learning English idioms engaging for children and English language learners. It uses an interactive notebook with definitions, examples, and illustrations, plus three fun games to reinforce understanding and practice idiom usage.
- Interactive idiom notebook
- Idiom definitions and examples
- Illustrative graphics
- Word Drop game
- Missing Word game
- Match-Up game
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Kidioms 2 - More Idioms for Kids Kidioms 2 introduces 64 more commonly used idioms.This iPad app makes learning idioms fun for children, ELL students, or anyone wishing to improve their understanding of English. The app uses an interactive notebook to present an idiom, it's meaning and an example showing the idiom used in context. Each page of the notebook also has a graphic to help illustrate the idiom’s meaning. In addition to the lessons, Kidioms offers three interactive activities to help reinforce the concepts and provide practice using and understanding the idioms. Word Drop challenges the learner to complete the idiom by choosing the correct missing word. Missing Word asks the user to spell the missing word. In Match-Up the player selects the correct idiom to fill in the blank in a larger block of text. Vocabulary Acquisition and Use Grade 3 •L.3.5. Demonstrate understanding of figurative language, word relationships and nuances in word meanings. ◦Distinguish the literal and non-literal meanings of words and phrases in context (e.g.,take steps). ◦Identify real-life connections between words and their use (e.g., describe people who are friendly or helpful). ◦Distinguish shades of meaning among related words that describe states of mind or degrees of certainty (e.g., knew, believed, suspected, heard, wondered). Grade 4 •L.4.5. Demonstrate understanding of figurative language, word relationships, and nuances in word meanings. ◦Explain the meaning of simple similes and metaphors (e.g., as pretty as a picture) in context. ◦Recognize and explain the meaning of common idioms, adages, and proverbs. Demonstrate understanding of words by relating them to their opposites (antonyms) and to words with similar but not identical meanings (synonyms). Grade 5 L.5.5. Demonstrate understanding of figurative language, word relationships, and nuances in word meanings. •Interpret figurative language, including similes and metaphors, in context. •Recognize and explain the meaning of common idioms, adages, and proverbs. Use the relationship between particular words (e.g., synonyms, antonyms, homographs) to better understand each of the words.
CitizIN
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CitizIN was developed by the Center on Representative Government as a companion to the books, Hoosiers and the American Story, and Hoosiers, A New History of Indiana. Library of Congress Inquiry Cycle Techniques for: Primary Sources Interactive Skill Builders Videos Content Assessed with: Trivia Challenges Knowledge Check Mini-Games Primary Source Gallery Documents for further in-class analysis Provides teachers with additional Library of Congress Teaching with Primary Sources (TPS) resources to extend content
Screenshots
Verdict
The clearest difference is price: CitizIN at Free against Kidioms 2's $1.99. CitizIN also leads on update cadence (every 3 weeks vs every 17 months) and device support (3 vs 1). On ads, in-app purchases and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
CitizIN is free to download; Kidioms 2 costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Kidioms 2 ships an update every 17 months, CitizIN every 3 weeks. The most recent releases landed on October 5, 2026 and October 12, 2026 respectively.
| Parameter | Kidioms 2 | CitizIN |
|---|---|---|
| Price | $1.99 | Free — better |
| Rating | 4.0 (1 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 17 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPad | iPhone, iPad, iPod — better |
| Requires iOS | 13.2 | 12.0 — better |
| Further details — not scored | ||
| Size | 29 MB | 218 MB |
| Age rating | 4+ | 9+ |
| Developer | Ventura Educational Systems | Indiana University |
In-app purchases
Kidioms 2
No in-app purchases
CitizIN
No in-app purchases
Questions
Is Kidioms 2 free?
Is CitizIN free?
Do Kidioms 2 or CitizIN have ads?
Which is updated more often, Kidioms 2 or CitizIN?
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