![ATOK for Android[Professional] icon](https://play-lh.googleusercontent.com/8Cv_yUtQSpF2rCteA2TNoHtYhkeQVyyTRwe4SqypqNg4ydxFvhcN_r8OIcOTwyiB--5oFn7qqDGUiVgLPUwK)
ATOK for Android[Professional] Android
ATOK for Android[Professional] gets 100+ downloads a day worldwide (AppInsider estimate, September 2026, rounded down to a band).
ATOK for Android[Professional] is #22 in Productivity Grossing on Google Play in Japan and charting in 1 of 15 countries we track.
Updated 27 Sep 2026 · rankings refresh through the day
DeveloperJustSystems Corporation
CategoryProductivity
PriceFree
Released
Installs100k+
Rating★ 3.7 (2.4k)
Updated–
Content ratingEveryone
Rating
3.7 ★
2.4k ratings
Measured
Best rank now
#22
Productivity GrossingMeasured
ATOK for Android[Professional] on Google Play
App details
App ID
com.justsystems.atokmobile2.pv.service
Publisher
JustSystems Corporation
Content rating
Everyone
ATOK for Android[Professional] downloads
Worldwide, per day, and installs to date. The band is open; the exact number is free with an account.
How this is calculated
Google Play shows an exact lifetime install count; downloads per day are its daily change (measured). When Play hasn't refreshed the count, they come from new ratings and Top Free chart positions. Confidence is the chance the real number is within half to double ours.
Where ATOK for Android[Professional]'s downloads come from Modelled
Last 30 days: organic search, browsing the store, features and paid ads.
Active users
All platforms, worldwide. Free with an account.
Stickiness (DAU / MAU)
how many monthly users open it on a given day
Retention · share of new users still active
Day 1
Day 7
Day 30
Time spent · per daily user
Average time spent Pro
min a day
Sessions a day Pro
Time per session Pro
min
How this is calculated
Monthly users come from lifetime installs across every store, fitted on monthly active user figures companies publish; daily users = monthly × the typical daily/monthly ratio for the category. Confidence is the chance the real number is within half to double ours.
In-app revenue
Worldwide, what users spend in ATOK for Android[Professional] before Apple and Google take their fee.
How this is calculated
Not in an overall Top Grossing chart, only in category charts: each category position is converted to the overall position it corresponds to, then priced on the same rank-to-revenue curve, inside the part of each market the charted apps leave over.
Business model: In-app purchase-led
How ATOK for Android[Professional] makes money: subscriptions, one-off purchases and ads.
In-app purchases
One-off purchases
/mo
of revenue
Where it ranks on Google Play
Every top 200 chart it appears in across 15 countries.
| Country | Charts | Rank |
|---|---|---|
| Japan | ProductivityGrossing | #22 |
Apps near ATOK for Android[Professional] on the chart
Productivity Grossing, around #22.
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トドクサポーター - ゼンリン住宅地図搭載の配達アプリ#25
TimeTree - Shared Calendar#26
vFlat Scan - PDF Scanner, OCR#27
Ratings
Google Play, worldwide.
Rating
3.7 ★
2.4k ratings
Measured
Ratings
2.4k
Measured
Written reviews
2
Measured
About ATOK for Android[Professional]
★About this app
・This app is available to customers who have signed up for "ATOK Passport [Premium]".
Please activate the app with the "Just Account" used when signing up.
・You can also apply for "ATOK Passport [Premium]" as a new user from within the installed "ATOK for Android [Professional]" app.
・Please use the latest version of the app when applying for a new user.
■What is ATOK Passport
This is a monthly subscription service that allows you to use the Japanese input system "ATOK" on up to 10 smartphones or PCs.
"ATOK" is a Japanese input system that is renowned for its high conversion accuracy and is equipped with a wide range of convenient functions for input. It analyzes the text you are typing and converts it into natural Japanese, so you can input quickly just by switching the keyboard to "ATOK".
"ATOK Passport" comes in two courses: [Premium] and [Basic]. You can sign up for [Premium] with this app.
■Features of ATOK Passport [Premium]
●Compatible with Android, iOS, Windows, and Mac
●Always use the latest "ATOK" on up to 10 devices
※ One contract allows you to use "ATOK" on up to 10 devices. Use is limited to the contract holder.
●So you can have the same input environment for your smartphone and PC
You can share the words registered on each device, so you can use the input environment that is best for you, anytime, anywhere.
●"ATOK for Android [Professional]" boasts higher accuracy and more features
Equipped with the same conversion engine as "ATOK" for PCs, you can use "predictive conversion", which has evolved significantly in predictive conversion※1. You can quickly and without errors communicate frequently in short sentences on SNS and write formal emails in long sentences.
※1 Compared to "ATOK for Android".
●ATOK Cloud Service
All of the "ATOK Cloud Service" such as dictionaries such as "Kojien" and text proofreading are available for unlimited use.
■Features of "ATOK for Android [Professional]"
●Equipped with a high-performance conversion engine
Analyzes the context of input and converts it into more natural Japanese. It also analyzes touch errors unique to smartphones, corrects the reading to the most natural Japanese, and presents predicted conversion candidates, making input overwhelmingly easier.
●Keyboard app for speedy and easy input
You can choose from the original "Flower Touch Input (Gesture Input)", "Flick Input", "Mobile Phone Input", and other input methods. You can switch between the numeric keypad and QWERTY keyboard with just one touch. You can input strings of letters and numbers such as passwords and email addresses just like on a computer. With "ATOK", you can continue to use the same keyboard even if you change to a different model.
●One-click conversion of long and short sentences
Not only can it convert names of people and places appropriately, but it can also convert long readings in one click. Even if it doesn't convert as you expected, it will learn and convert appropriately from the next
・This app is available to customers who have signed up for "ATOK Passport [Premium]".
Please activate the app with the "Just Account" used when signing up.
・You can also apply for "ATOK Passport [Premium]" as a new user from within the installed "ATOK for Android [Professional]" app.
・Please use the latest version of the app when applying for a new user.
■What is ATOK Passport
This is a monthly subscription service that allows you to use the Japanese input system "ATOK" on up to 10 smartphones or PCs.
"ATOK" is a Japanese input system that is renowned for its high conversion accuracy and is equipped with a wide range of convenient functions for input. It analyzes the text you are typing and converts it into natural Japanese, so you can input quickly just by switching the keyboard to "ATOK".
"ATOK Passport" comes in two courses: [Premium] and [Basic]. You can sign up for [Premium] with this app.
■Features of ATOK Passport [Premium]
●Compatible with Android, iOS, Windows, and Mac
●Always use the latest "ATOK" on up to 10 devices
※ One contract allows you to use "ATOK" on up to 10 devices. Use is limited to the contract holder.
●So you can have the same input environment for your smartphone and PC
You can share the words registered on each device, so you can use the input environment that is best for you, anytime, anywhere.
●"ATOK for Android [Professional]" boasts higher accuracy and more features
Equipped with the same conversion engine as "ATOK" for PCs, you can use "predictive conversion", which has evolved significantly in predictive conversion※1. You can quickly and without errors communicate frequently in short sentences on SNS and write formal emails in long sentences.
※1 Compared to "ATOK for Android".
●ATOK Cloud Service
All of the "ATOK Cloud Service" such as dictionaries such as "Kojien" and text proofreading are available for unlimited use.
■Features of "ATOK for Android [Professional]"
●Equipped with a high-performance conversion engine
Analyzes the context of input and converts it into more natural Japanese. It also analyzes touch errors unique to smartphones, corrects the reading to the most natural Japanese, and presents predicted conversion candidates, making input overwhelmingly easier.
●Keyboard app for speedy and easy input
You can choose from the original "Flower Touch Input (Gesture Input)", "Flick Input", "Mobile Phone Input", and other input methods. You can switch between the numeric keypad and QWERTY keyboard with just one touch. You can input strings of letters and numbers such as passwords and email addresses just like on a computer. With "ATOK", you can continue to use the same keyboard even if you change to a different model.
●One-click conversion of long and short sentences
Not only can it convert names of people and places appropriately, but it can also convert long readings in one click. Even if it doesn't convert as you expected, it will learn and convert appropriately from the next