スマホ故障診断 Downloads & Revenueスマホ故障診断 · Google Play
スマホ故障診断 gets 1k+ downloads a day worldwide (AppInsider estimate, November 2026, rounded down to a band).
スマホ故障診断 is #34 in Lifestyle Free on Google Play in Japan and charting in 1 of 23 countries we track.
Updated 11 Nov 2026 · rankings refresh through the day
DeveloperNTT DOCOMO
CategoryLifestyle
PriceFree
Released–
Installs1M+
Rating–
Updated
Content ratingEveryone
Full timeline · 3 events
- 📈スマホ故障診断 new best rank in the overall chart: #190Top Free · All Apps · JP
- 🆕スマホ故障診断 first spotted by AppInsiderJapan
- 📦スマホ故障診断 version 16.00.00000・一部UIデザインの変更を行いました。
・その他微修正をしました。
Collected from the stores by AppInsider since we first spotted the app. Dates are when we saw each change.
Best rank now
#34
Lifestyle FreeMeasured
スマホ故障診断 on Google Play
App details
App ID
com.nttdocomo.android.aftertool
Publisher
NTT DOCOMO, INC.
Publisher country
Japan
Content rating
Everyone
スマホ故障診断 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 スマホ故障診断'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.
Where it ranks on Google Play
Every top 200 chart it appears in across 23 countries.
| Country | Charts | Rank |
|---|---|---|
| Japan | LifestyleFree | #34 |
Apps near スマホ故障診断 on the chart
Lifestyle Free, around #34.
About スマホ故障診断
■Main features
・If you have a symptom that suggests something is wrong with your smartphone, you can select the symptom and diagnose whether or not there is a malfunction.
Even if you do not select it, it will automatically diagnose whether there is a failure in the communication status, software version, storage, sensor, etc.
・Based on the diagnosis results, we will guide you through various procedures such as improvement methods and repair/replacement/model changes.
■Diagnosis items
・Various sensors (illuminance, gyroscope, acceleration, magnetism, atmospheric pressure, temperature, humidity, proximity, fingerprint)
・Battery, charging
・Mobile network connection
・Wi-Fi, Bluetooth chipset
・Location information service
・Read/write internal storage
・Screen related (touch screen, display)
・Call related (making and receiving calls, speaker, earpiece)
・Earphone jack, earphone, microphone
·vibrator
・Various buttons (power, volume, home, silent switch)
・Out camera (photo, video), in camera (photo, video)
·flash
·software version
■Notes
- Compatible OS is Android 7.0 or higher.
・Packet communication charges apply for downloading and updating this software.
・Confirmation of operating procedures, confirmation and implementation of app updates, implementation of diagnostics involving communication,
Alternatively, packet communication charges will apply when using this app to check the version, etc.
・By logging into your d account, you can apply for "Mobile Phone Protection Service" and "smart Anshin Protection".
We can suggest repairs or replacements depending on your subscription status.
・We recommend updating the software version of your smartphone or tablet that uses the app to the latest version.
- Applicable models are only Docomo models.
*Please check Docomo's official website for a list of applicable models.
(https://www.docomo.ne.jp/service/diagnosis/compatible_model.html?icid=CRP_SER_diagnosis_to_CRP_SER_diagnosis_compatible_model&d=2&p=1,3)
・If you have a symptom that suggests something is wrong with your smartphone, you can select the symptom and diagnose whether or not there is a malfunction.
Even if you do not select it, it will automatically diagnose whether there is a failure in the communication status, software version, storage, sensor, etc.
・Based on the diagnosis results, we will guide you through various procedures such as improvement methods and repair/replacement/model changes.
■Diagnosis items
・Various sensors (illuminance, gyroscope, acceleration, magnetism, atmospheric pressure, temperature, humidity, proximity, fingerprint)
・Battery, charging
・Mobile network connection
・Wi-Fi, Bluetooth chipset
・Location information service
・Read/write internal storage
・Screen related (touch screen, display)
・Call related (making and receiving calls, speaker, earpiece)
・Earphone jack, earphone, microphone
·vibrator
・Various buttons (power, volume, home, silent switch)
・Out camera (photo, video), in camera (photo, video)
·flash
·software version
■Notes
- Compatible OS is Android 7.0 or higher.
・Packet communication charges apply for downloading and updating this software.
・Confirmation of operating procedures, confirmation and implementation of app updates, implementation of diagnostics involving communication,
Alternatively, packet communication charges will apply when using this app to check the version, etc.
・By logging into your d account, you can apply for "Mobile Phone Protection Service" and "smart Anshin Protection".
We can suggest repairs or replacements depending on your subscription status.
・We recommend updating the software version of your smartphone or tablet that uses the app to the latest version.
- Applicable models are only Docomo models.
*Please check Docomo's official website for a list of applicable models.
(https://www.docomo.ne.jp/service/diagnosis/compatible_model.html?icid=CRP_SER_diagnosis_to_CRP_SER_diagnosis_compatible_model&d=2&p=1,3)
What's new in 16.00.00000
・一部UIデザインの変更を行いました。
・その他微修正をしました。
・その他微修正をしました。