Comparison

Arithmetic Train your Brain vs Japan Spot the Difference

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

Head to head
About

Arithmetic Train your Brain

Engage in daily brain training with arithmetic puzzles. Compete against your past performance to improve your calculation skills and stimulate your mind. Enjoy a progressive difficulty system and track your progress with a calendar feature.

Highlights
  • Daily brain training
  • Compete with past self
  • Progressive difficulty levels
  • Four arithmetic operations
  • Calendar progress tracking
  • Unlimited play
Features
Read full description

In addition, "Arithmetic Train your Brain" allows you to compete with your past self! Because it is your past self, not anyone else's, you can compete with your past self, which is good for your brain and stimulates your brain. By beating your past self, you can enjoy the feeling of surpassing yourself! 〇Let's give your brain a good stimulus! Let's stimulate your brain by solving calculations on the theme of "Keisan" that everyone can understand! In easy level, you will feel good to find and solve the puzzles one after another. At higher difficulty levels, you can enjoy the sensation of sweating your brain as you solve challenging calculations with step-by-step instructions. You will also be able to exercise your imagination and stimulate your brain! 〇Let's go beyond your past self! In addition, you can compete with your past self in "Everyday Keisan"! Because it is your past self, not anyone else's, you can compete with your past self, which is good for your brain and creates a good stimulus. By beating your past self, you can enjoy the feeling of surpassing yourself! 〇Keep going every day! Calendar function is included! The days when you play and clear the game are recorded. You can expect to activate your brain by continuing the good brain stimulation every day. Enjoy the fun of accumulating daily efforts by collecting stars on the calendar! The greatest effort is to keep going! Keep going every day and your brain will be rejuvenated! 〇No dropouts! You have lives to experience growth, but you can play even if your life reaches 0! You can play to the end without dropping out. Anyone can play to the end of the game, so you will always be able to step up without anyone dropping out. If you are making a lot of mistakes, take your time to think and solve the calculations at your own pace! And enjoy your calculation skills as they improve little by little, even if it's slowly. It's okay to take it slow, there is plenty of room for growth! Everyone can enjoy growth at their own pace! 〇Find the right amount of stimulation! Tally, subtract, multiply, divide, and divide by four arithmetic operations with multiple difficulty levels. Start with the level that suits you best and give your brain a good stimulus! Once you progress to the next level, you can enjoy brain training with higher difficulty levels as your daily routine! 〇Recommended for People who want to practice addition, subtraction, multiplication, and division. People who want to practice addition, subtraction, multiplication, and division People who want to train their brains quickly. People who have difficulty with other calculation apps.

About

Japan Spot the Difference

Features
Read full description

Compare two pictures. Find the five differences. That is the whole game. There is no timer and no score to chase. Play one stage whenever you feel like it, and take your time. ■ 54 stages, every picture drawn for this game Four Seasons — Wisteria trellises, sunflower fields, pampas grass under a full moon, a snowy hot spring town. Landmarks of Japan — A torii gate standing in the sea, Himeji Castle, Tokyo Tower, the pine bridge of Amanohashidate. Everyday Japan — Tatami rooms, a festival toy stall, a town doctor's waiting room, a shrine office. Streets & Festivals — Stone-paved alleys, a river ferry, a country train line, indigo shop curtains. Anime Characters — A riverside in summer, an after-school classroom, a library study session. Japanese Food — A candy-craft stall, a wagashi sweet shop, an izakaya table. No two stages repeat. Stages are ordered from easy to hard. ■ Made to be findable ・Pinch with two fingers, or double-tap a picture, to zoom in ・Both pictures move together, so you never lose your place ・A hint is there when you are stuck ・The game shows you how to play on your first stage ■ Good for ・A quiet few minutes between other things ・Anyone who loves Japanese scenery and culture ・Playing together with children ・Giving your eyes and mind a slow, pleasant task ■ How to play Two pictures appear one above the other, or side by side in landscape. Tap where you think something is different. Either picture works. Find all five to clear the stage. A wrong tap costs one heart. Hearts refill over time. More stages are on the way. terms-of-service https://b19.co.jp/terms-of-service/
 privacy-policy  https://b19.co.jp/privacy-policy/

Screenshots

Arithmetic Train your Brain4 screens
Japan Spot the Difference4 screens

Verdict

The call

The clearest difference is update cadence: Arithmetic Train your Brain at daily against Japan Spot the Difference's every 2 days. Arithmetic Train your Brain also leads on iOS requirement (11.0 vs 15.0). On price, ads, in-app purchases and device support 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Arithmetic Train your Brain ships an update daily, Japan Spot the Difference every 2 days. The most recent releases landed on October 10, 2026 and October 13, 2026 respectively.

Scorecard2 real differences · 8 level
Arithmetic Train your Brain versus Japan Spot the Difference: the parameters behind the verdict, then further details
ParameterArithmetic Train your BrainJapan Spot the Difference
PriceFreeFree
Rating5.0 (2 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings2 — better—
Update frequencyDaily — betterEvery 2 days
AdsYesYes
In-app purchasesNoNo
MonetizationAd-supported—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS11.0 — better15.0
Further details — not scored
Size64 MB78 MB
Age rating17+4+
Developerminoru yamazakiBEAK,K.K.

In-app purchases

None

Arithmetic Train your Brain

No in-app purchases

None

Japan Spot the Difference

No in-app purchases

Questions

Is Arithmetic Train your Brain free?
Arithmetic Train your Brain is free to download, with no in-app purchases.
Is Japan Spot the Difference free?
Japan Spot the Difference is free to download, with no in-app purchases.
Do Arithmetic Train your Brain or Japan Spot the Difference have ads?
Both Arithmetic Train your Brain and Japan Spot the Difference show ads.
Which is updated more often, Arithmetic Train your Brain or Japan Spot the Difference?
Arithmetic Train your Brain ships an update daily, and Japan Spot the Difference every 2 days. Most recently, Arithmetic Train your Brain was updated on October 10, 2026 and Japan Spot the Difference on October 13, 2026.

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