ZUKAN vs CatchyNumbers
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ZUKAN
Explore over 600 items through interactive picture books. Tap photos to hear Japanese and English names, and enjoy sound effects. Features include word learning, quizzes, and a customizable list.
- Over 600 item pictures
- Japanese and English audio pronunciation
- Sound effects
- Word learning
- Quiz function
- Customizable 'My list'
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This "Picture book" App contains more than 600 types of items. When you tap the photo, the name will be read aloud in Japanese and English, and some sound effects will sound. Features ・Learning words in Japanese and English. ・Quiz function. (Questions in Japanese or English) ・My list can be created.
CatchyNumbers
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CatchyNumbers turns first numbers into playful, ad-free fun for little learners. Simple enough for tiny hands, with no reading required and no confusing menus. FOUR GENTLE GAMES • Count — count the objects and tap the right number • Number Match — match each digit to the right amount • More or Less — spot which side has more or fewer • Dot to Dot — connect the dots and reveal a surprise MADE FOR LITTLE ONES • Big, friendly buttons and clear, rounded numbers • Cheerful sounds and a confetti celebration for every win • Gentle pace — no timers, no losing, no pressure SAFE & PARENT-FRIENDLY • No ads, ever — and no third-party tracking • Purchases kept behind a parental gate • One-time unlock: pay once, yours forever • Nine languages, switchable in-app — great for early second-language exposure From BE PLUS, a small studio making clean, calm, ad-free learning games for kids. Part of the Catchy family — also try CatchyLetters and CatchyLogic.
Screenshots
Verdict
The clearest difference is ads: CatchyNumbers at none against ZUKAN's shown. CatchyNumbers also leads on update cadence (every 3 days vs every 2 months). On price, in-app purchases, device support 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
Both are free to download. ZUKAN sells 3 one-off in-app purchases and CatchyNumbers sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
ZUKAN ships an update every 2 months, CatchyNumbers every 3 days. The most recent releases landed on October 4, 2026 and October 5, 2026 respectively.
| Parameter | ZUKAN | CatchyNumbers |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (4 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 4 — better | — |
| Update frequency | Every 2 months | Every 3 days — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 16.0 — better | 16.6 |
| Further details — not scored | ||
| Size | 95 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Tomohiro Ohwada | BE PLUS S.R.L. |
In-app purchases
ZUKAN
- Ads removal$1.99
- Development support$1.99
- Ads removal & Support$2.99
CatchyNumbers
- Unlock All Games$1.99
Questions
Is ZUKAN free?
Is CatchyNumbers free?
Do ZUKAN or CatchyNumbers have ads?
Which is updated more often, ZUKAN or CatchyNumbers?
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