Comparison

Numbiro vs Count Biki

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

Head to head
About

Numbiro

Practice recognizing spoken Japanese numbers to improve comprehension in everyday conversations. Choose number ranges from single digits to billions and practice Japanese counters. Compete against the clock to get as many correct as possible.

Highlights
  • Listen to spoken Japanese numbers
  • Identify numbers by listening
  • Select number ranges
  • Practice Japanese counters
  • Timed challenges
Features
Read full description

Learning to say numbers is one thing. Understanding them in real conversation is another. With Numbiro, you listen to numbers spoken in one of 29 languages and identify what you hear. Practice anything from single digits to millions or even billions, and improve your speed and accuracy under pressure. Japanese learners can also practice counters, with 20 included in the free version. Challenge yourself to see how many answers you can get right in one minute. Supported languages include Arabic, Brazilian Portuguese, Cantonese, Catalan, Czech, Danish, Dutch, English, Finnish, French, German, Hindi, Icelandic, Italian, Japanese, Korean, Mandarin, Norwegian, Polish, Portuguese, Romanian, Russian, Spanish, Swedish, Turkish and Welsh. Numbiro is ad-supported. Premium removes ads and unlocks additional features, including preset management and advanced Japanese counters, available with either a one-time purchase or subscription. Terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Count Biki

Learn and practice Japanese numbers with interactive quizzes. Features adjustable difficulty, multiple voices, and detailed session summaries. Ideal for all levels of Japanese language learners.

Highlights
  • Japanese number mastery
  • Customizable quiz modes
  • Variable voice settings
  • Session summaries
  • Multiple listening topics
  • In-app purchases for premium features
Features
Read full description

Master numbers in Japanese, at your own pace. For beginners through advanced Japanese language learners. How It Works -------------------- • Listen to a randomly generated number in Japanese. • Type the answer in numerals. Features -------------------- • Dozens of topics • Question limit, time limit, and infinite quiz modes • Multiple voices • Variable voice rate and pitch • View session summary with incorrect answers Listening Topics -------------------- • Numbers • Money • Time Durations • Dates & Times Transylvania Tier -------------------- • Unlock Transylvania Tier by leaving any size tip via In-App Purchases. • You'll get access to alternate app icons and support ongoing development.

Screenshots

Numbiro4 screens
Count Biki4 screens

Verdict

The call

The clearest difference is ads: Count Biki at none against Numbiro's shown. Count Biki also leads on update cadence (fortnightly vs every 3 months). Numbiro's advantage is review sentiment (75% vs 50%) and monetization model (ad-supported vs free with in-app purchases). On price, rating, ratings volume and in-app purchases 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. Numbiro sells 2 in-app purchases, starting at $0.49 per month and Count Biki sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.4 for Numbiro against 4.3 for Count Biki. Both are backed by a comparable volume of ratings — 7 and 3 respectively. Written reviews are what separate them: 75% of Numbiro's written reviews are positive against 50% of Count Biki's.

UpkeepUpdate frequency

Numbiro ships an update every 3 months, Count Biki fortnightly. The most recent releases landed on August 22, 2026 and September 9, 2026 respectively.

Scorecard6 real differences · 4 level
Numbiro versus Count Biki: the parameters behind the verdict, then further details
ParameterNumbiroCount Biki
PriceFreeFree
Rating4.4 (7 ratings) — better4.3 (3 ratings)
Positive reviews75.0% of reviews — better50.0% of reviews
Number of ratings7 — better3
Update frequencyEvery 3 monthsFortnightly — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationAd-supported — betterFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS13.0 — better17.0
Further details — not scored
Size67 MB29 MB
Age rating4+4+
DeveloperSulisoft LimitedTwoCentStudios

Customer experience

Numbiro

All ratings6 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews4 reviews
Positive75.0%
Neutral25.0%
Negative0.0%

Count Biki

All ratings3 ratings
Positive66.7%
Neutral33.3%
Negative0.0%
Written reviews2 reviews
Positive50.0%
Neutral50.0%
Negative0.0%

In-app purchases

2 purchases

Numbiro

Subscriptions1
  • Premium Monthly$0.491 Month
One-time1
  • Premium Lifetime$3.99
3 purchases

Count Biki

One-time3
  • Small Tip$0.99
  • Medium Tip$4.99
  • Large Tip$19.99

Questions

Is Numbiro free?
Numbiro is free to download, with in-app purchases available.
Is Count Biki free?
Count Biki is free to download, with in-app purchases available.
Which has better reviews, Numbiro or Count Biki?
Numbiro is rated higher. Numbiro averages 4.4 out of 5 from 7 ratings, while Count Biki averages 4.3 from 3 ratings.
Do Numbiro or Count Biki have ads?
Numbiro shows ads; Count Biki does not.
Which is updated more often, Numbiro or Count Biki?
Numbiro ships an update every 3 months, and Count Biki fortnightly. Most recently, Numbiro was updated on August 22, 2026 and Count Biki on September 9, 2026.

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