Comparison

ZUKAN vs CatchyNumbers

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

Head to head
About

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.

Highlights
  • Over 600 item pictures
  • Japanese and English audio pronunciation
  • Sound effects
  • Word learning
  • Quiz function
  • Customizable 'My list'
Features
Read full description

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.

About

CatchyNumbers

Features
Read full description

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

ZUKAN3 screens
CatchyNumbers4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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.

UpkeepUpdate frequency

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.

Scorecard2 real differences · 8 level
ZUKAN versus CatchyNumbers: the parameters behind the verdict, then further details
ParameterZUKANCatchyNumbers
PriceFreeFree
Rating4.8 (4 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings4 — better—
Update frequencyEvery 2 monthsEvery 3 days — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.0 — better16.6
Further details — not scored
Size95 MB3 MB
Age rating4+4+
DeveloperTomohiro OhwadaBE PLUS S.R.L.

In-app purchases

3 purchases

ZUKAN

One-time3
  • Ads removal$1.99
  • Development support$1.99
  • Ads removal & Support$2.99
1 purchases

CatchyNumbers

One-time1
  • Unlock All Games$1.99

Questions

Is ZUKAN free?
ZUKAN is free to download, with in-app purchases available.
Is CatchyNumbers free?
CatchyNumbers is free to download, with in-app purchases available.
Do ZUKAN or CatchyNumbers have ads?
ZUKAN shows ads; CatchyNumbers does not.
Which is updated more often, ZUKAN or CatchyNumbers?
ZUKAN ships an update every 2 months, and CatchyNumbers every 3 days. Most recently, ZUKAN was updated on October 4, 2026 and CatchyNumbers on October 5, 2026.

Other comparisons