Where this app stands in Japan, updated 2 Nov 2026
Top free · Lifestyle
#35 ▼19
Top grossing
Not in this chart today
Top paid
Not in this chart today
| Date | Free |
|---|---|
| 2 Nov 2026 | #35 |
| 1 Nov 2026 | #16 |
| 29 Oct 2026 | #33 |
| 26 Oct 2026 | #52 |
| 25 Oct 2026 | #41 |
| 17 Oct 2026 | #43 |
| 16 Oct 2026 | #42 |
| 15 Oct 2026 | #47 |
| 14 Oct 2026 | #55 |
| 13 Oct 2026 | #67 |
| 12 Oct 2026 | #68 |
| 11 Oct 2026 | #46 |
| 10 Oct 2026 | #48 |
| 8 Oct 2026 | #49 |
Best rank in each country today. Click a country to see its graph.
・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。
If installation is not possible, please update the OS. When you notice something is wrong with your smartphone, you can use the app to diagnose it on the spot. We provide everything from improvement methods to support information in the palm of your hand.
■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)
past month, based on 2 days
Downloads
Low confidence42K
From install count (release date unknown)
In-app revenue
$0
No in-app purchases
Ads
$0
No ads
Total
$0
In-app + ads
Google Play only. Downloads from daily Top free ranks (or the store's install count); in-app revenue from Top grossing ranks, calibrated on AppTweak's US estimates, or else from downloads; ads from public ad benchmarks. Not reported figures.