Comparison

Challenge with Erin vs Suku Plus ひらがなとカタカナ 幼児知育 あいうえお

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Challenge with Erin

This app offers interactive lessons and quizzes to help users learn Japanese vocabulary, grammar, and culture. It features engaging games, manga-based dialogues, and cultural trivia to make studying enjoyable and effective. Track your progress, earn certificates, and compete with others on leaderboards.

Highlights
  • Interactive vocabulary games
  • Manga-based dialogue practice
  • Japanese culture quizzes
  • Progress tracking and points system
  • Weekly tests with certificates
  • Mini dictionary with Romanization
Features
Read full description

-Contents and how to use the app- Study and enjoy yourself. Study section In the study section (‘Let’s Try’) there are four maps: spring, summer, autumn and winter, and you start with spring in the same way as Japanese schools start in spring. Contents: ・KOTOBA1 remember words through a game where you match cards with the same pictures ・KOTOBA2 make sentences by matching illustrations of verbs with cards of vocabulary often used with those verbs ・KOTOBA3 choose illustration cards with the same meaning as Japanese character cards and match the cards ・MANGA become characters in a manga, choose the appropriate lines from the choices you are given, and read them out loud ・BUNKA deepen your understanding of Japan through a quiz about Japanese culture and society ・STAGE TEST a review test of what you studied at each stage. 20 multiple choice questions each with four options -Challenge yourself! - Test section There are 16 tests altogether in the test section (‘TEST’). You can take eight of these any one week. The questions change each week. Challenge yourself and check which Japanese vocabulary and words you remember and know with this test. Once you finish the tests, you will be issued with a certificate of results that includes your name. If your percentage of correct answers exceeds 80%, you receive a pass certificate that includes a medal (illustration)! -A variety of features- ・KOTOBA LIST A mini dictionary where you can find all the vocabulary and expressions that appear in the app. Each of the words that you answered that you had remembered have a check mark next to them. In the list each word is also written in Roman alphabet and hiragana/katakana, and there is a translation of the word’s meaning to enable you to study Japanese characters. ・STATUS Every time you log in to the study section and study, you receive 100 points, and when you take a stage test, that score is added as points. You can see the results of your study to date, including your overall points, your weekly points (total points from the most recent Monday to Sunday), the number of words you have remembered so far, the number of stages you have cleared, and the number of tests you have passed. ・RANKING Displayed here is the overall point ranking of all learners using this app and the number of stages they have cleared, as well as your own overall points and number of stages cleared. ・HONIGON’S CAMERA When you clear the stage test of each stage in the study section, HONIGON’S CAMERA starts up. For each stage various different frames (background illustrations) are displayed, and you can take a ‘celebratory photograph’ combining these frames and a photo of yourself that you take.

About

Suku Plus ひらがなとカタカナ 幼児知育 あいうえお

This educational app helps children aged 2-6 learn Japanese characters, numbers, and words through engaging games and tracing activities. It offers detailed difficulty settings and progress tracking for parents, with multiple user accounts supported.

Highlights
  • Learn hiragana and katakana
  • Number recognition and counting
  • Word and sentence practice
  • Tracing activities
  • Progress tracking for parents
  • Multiple user accounts
Read full description

"Sukusuku Plus" is a learning app that allows children aged 2 to 6 to learn numbers, hiragana, and words while having fun. ■ Recommended age 2 years old, 3 years old, 4 years old, 5 years old, 6 years old Features of Sukusuku Plus You can learn Japanese, hiragana, and word games while having fun playing them in a drill format. There are plenty of elements that keep children entertained! There are lots of cute designs such as creatures, food, and vehicles. Children's motivation is nurtured with detailed difficulty settings and done stickers. ■ Work Kazukazoe, Kazutsunagi, Kazukurabe, Kazuerabi Senna tracing, Suji tracing, Moji tracing, Hiragana tracing, Katakana tracing Connect, select and tap, remember the picture, find friends You can learn many works such as In the future, we plan to add works that can be learned from the play, such as kanji, reading, and counting. ■ Category of work Moji: Japanese language work related to letters and words, such as reading and writing hiragana and katakana Kazu: Reading and writing numbers, how to count numbers, arithmetic work related to numbers such as addition and subtraction Chie: A work that develops general knowledge such as time and season, and the ability to think such as maze and reasoning. ■ About difficulty Chick: Hiragana (reading), numbers (up to 10), colors and shapes practice Rabbits: Practice hiragana (writing), numbers (up to 100), grouping Kitsune: Practice katakana, particles, addition (single digit), order Bears: Rattling, reading sentences, subtraction (single digit), regularity practice Lion: Kanji, making sentences, addition, subtraction (2 digits), reasoning practice You can practice a wide range of problems, from kokugo and math problems to patterns and figures. ■ Functions for parents View child's play history / time limit ■ Multi-user Up to 5 accounts can be created Simultaneous play on multiple devices ■ Fees for using the app Sukusuku Plus is currently available for free. ■Recommended for those who are looking for an app that leads to children's intellectual education. ・We want children to come into contact with letters, numbers, and wisdom from an early age. ・ I want to step up and learn little by little as an intellectual training for 2, 3, 4, 5, and 6 years old. ・I want children to naturally learn Kokugo and Math through play. ・I want to help children understand words such as hiragana and katakana while playing with them. ・I want to teach how to count numbers such as addition and subtraction ・I want to play games that lead to wisdom, such as memorizing, choosing, and reasoning. ・ I want to let you learn firmly while playing 【Terms of Use】 https://www.piyolog.com/app/sukusuku_plus/eula.html

Screenshots

Challenge with Erin4 screens
Suku Plus ひらがなとカタカナ 幼児知育 あいうえお4 screens

Verdict

The call

The clearest difference is in-app purchases: Challenge with Erin at none against Suku Plus ひらがなとカタカナ 幼児知育 あいうえお's 1. Challenge with Erin also leads on iOS requirement (12.0 vs 15.0). Suku Plus ひらがなとカタカナ 幼児知育 あいうえお's advantage is update cadence (every 3 weeks vs every 5 months) and ratings volume (156 vs 16). On price, rating, review sentiment and ads 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Suku Plus ひらがなとカタカナ 幼児知育 あいうえお sells 1 in-app purchase, starting at $2.99 per month. Challenge with Erin asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.7 for Challenge with Erin against 4.6 for Suku Plus ひらがなとカタカナ 幼児知育 あいうえお. That said, the two scores are not equally well evidenced: Suku Plus ひらがなとカタカナ 幼児知育 あいうえお has 156 ratings behind it against 16, so its average is the more settled of the two. Written reviews split almost evenly too, at 63% and 62% positive.

UpkeepUpdate frequency

Challenge with Erin ships an update every 5 months, Suku Plus ひらがなとカタカナ 幼児知育 あいうえお every 3 weeks. The most recent releases landed on October 20, 2026 and October 22, 2026 respectively.

Scorecard5 real differences · 5 level
Challenge with Erin versus Suku Plus ひらがなとカタカナ 幼児知育 あいうえお: the parameters behind the verdict, then further details
ParameterChallenge with ErinSuku Plus ひらがなとカタカナ 幼児知育 あいうえお
PriceFreeFree
Rating4.7 (16 ratings) — better4.6 (156 ratings)
Positive reviews62.5% of reviews — better61.9% of reviews
Number of ratings16156 — better
Update frequencyEvery 5 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS12.0 — better15.0
Further details — not scored
Size290 MB354 MB
Age rating4+4+
DeveloperThe Japan Foundation Japanese-Language Institute, KansaiPiyoLog Inc.

Customer experience

Challenge with Erin

All ratings16 ratings
Positive93.8%
Neutral0.0%
Negative6.3%
Written reviews24 reviews
Positive62.5%
Neutral12.5%
Negative25.0%

Suku Plus ひらがなとカタカナ 幼児知育 あいうえお

All ratings154 ratings
Positive89.0%
Neutral4.5%
Negative6.5%
Written reviews21 reviews
Positive61.9%
Neutral9.5%
Negative28.6%

In-app purchases

None

Challenge with Erin

No in-app purchases

1 purchases

Suku Plus ひらがなとカタカナ 幼児知育 あいうえお

Subscriptions1
  • すくすくプラン$2.991 Month

Questions

Is Challenge with Erin free?
Challenge with Erin is free to download, with no in-app purchases.
Is Suku Plus ひらがなとカタカナ 幼児知育 あいうえお free?
Suku Plus ひらがなとカタカナ 幼児知育 あいうえお is free to download, with in-app purchases available.
Which has better reviews, Challenge with Erin or Suku Plus ひらがなとカタカナ 幼児知育 あいうえお?
Challenge with Erin is rated higher. Challenge with Erin averages 4.7 out of 5 from 16 ratings, while Suku Plus ひらがなとカタカナ 幼児知育 あいうえお averages 4.6 from 156 ratings.
Do Challenge with Erin or Suku Plus ひらがなとカタカナ 幼児知育 あいうえお have ads?
Neither Challenge with Erin nor Suku Plus ひらがなとカタカナ 幼児知育 あいうえお shows ads.
Which is updated more often, Challenge with Erin or Suku Plus ひらがなとカタカナ 幼児知育 あいうえお?
Challenge with Erin ships an update every 5 months, and Suku Plus ひらがなとカタカナ 幼児知育 あいうえお every 3 weeks. Most recently, Challenge with Erin was updated on October 20, 2026 and Suku Plus ひらがなとカタカナ 幼児知育 あいうえお on October 22, 2026.

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