スマホ故障診断

Installs

890.3k

Rating

3.9

Rating count

4.6k

Category	Lifestyle
Developer	NTT DOCOMO, INC.
Price	Free
First release	2/27/2024 (last year)
Version	06.00.00000
In-app purchases	No
Contains ads	No
Content rating	Rated for 3+
Package name	com.nttdocomo.android.aftertool

View on Play Store

Core Metrics

Data Breakdown

Date	Rating Count	Average Rating	Installs	Version
7/20/2025	4,642	3.899	890,260	06.00.00000
7/19/2025	4,628	3.883	888,861	06.00.00000
7/18/2025	4,623	3.885	887,714	06.00.00000
7/17/2025	4,618	3.894	886,409	06.00.00000
7/16/2025	4,604	3.878	885,128	06.00.00000
7/15/2025	4,603	3.889	883,762	06.00.00000
7/14/2025	4,597	3.905	882,287	06.00.00000
7/13/2025	4,591	3.906	880,894	06.00.00000
7/12/2025	4,577	3.897	879,505	06.00.00000
7/11/2025	4,566	3.885	878,135	06.00.00000
7/10/2025	4,555	3.888	876,768	06.00.00000
7/9/2025	4,530	3.869	874,255	06.00.00000
7/8/2025	4,516	3.846	874,255	06.00.00000
7/7/2025	4,509	3.848	871,434	06.00.00000
7/6/2025	4,505	3.853	871,434	06.00.00000
7/5/2025	4,495	3.857	869,996	06.00.00000
7/4/2025	4,488	3.855	868,633	06.00.00000
7/3/2025	4,481	3.857	867,378	06.00.00000
7/2/2025	4,478	3.864	865,954	06.00.00000
7/1/2025	4,472	3.858	864,775	06.00.00000
6/30/2025	4,468	3.859	863,007	06.00.00000
6/29/2025	4,447	3.833	861,590	06.00.00000
6/28/2025	4,439	3.839	860,258	06.00.00000
6/27/2025	4,431	3.812	858,754	06.00.00000
6/26/2025	4,420	3.816	856,208	06.00.00000
6/25/2025	4,410	3.807	854,708	06.00.00000
6/24/2025	4,405	3.799	852,678	06.00.00000
6/23/2025	4,393	3.807	852,678	06.00.00000
6/22/2025	4,387	3.820	849,955	06.00.00000
6/21/2025	4,374	3.826	848,419	06.00.00000
6/20/2025	4,365	3.808	848,419	06.00.00000
6/19/2025	4,350	3.823	845,588	06.00.00000
6/18/2025	4,342	3.813	845,588	06.00.00000
6/17/2025	4,334	3.810	842,691	06.00.00000
6/16/2025	4,319	3.821	841,367	06.00.00000
6/15/2025	4,309	3.819	839,903	06.00.00000
6/14/2025	4,297	3.807	838,561	06.00.00000
6/13/2025	4,282	3.809	838,561	06.00.00000
6/9/2025	4,256	3.795	835,190	06.00.00000
6/8/2025	4,238	3.788	830,725	N/A
5/29/2025	4,230	3.791	830,725	N/A
5/28/2025	4,130	3.875	817,522	N/A
5/27/2025	4,117	3.891	816,616	N/A
5/24/2025	4,110	3.877	813,376	N/A
5/22/2025	4,080	3.850	810,579	N/A
5/21/2025	4,055	3.873	809,092	N/A
5/20/2025	4,048	3.871	807,616	N/A
5/19/2025	4,040	3.873	804,520	N/A
4/24/2025	3,691	3.867	761,674	N/A
4/22/2025	3,615	3.842	745,730	N/A
4/15/2025	3,603	3.861	745,730	N/A
4/10/2025	3,547	3.871	741,955	N/A
4/6/2025	3,511	3.848	735,922	N/A

Details

■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)

More Apps byNTT DOCOMO, INC.

＋メッセージ（プラスメッセージ）

Installs: 45,516,959Score: 3.85Ratings: 18,990

Price: N/A

Version: N/AReleased: 6/5/2019Last change: N/A

SmartNews for docomo（旧マイマガジン）

Installs: 34,056,665Score: 3.07Ratings: 7,577

Price: N/A

Version: N/AReleased: 7/30/2020Last change: N/A

d Point Club

Installs: 29,366,369Score: 4.07Ratings: 154,759

Price: N/A

Version: N/AReleased: 11/30/2015Last change: N/A

My docomo - 料金・通信量の確認

Installs: 14,885,854Score: 3.22Ratings: 62,647

Price: N/A

Version: N/AReleased: 9/29/2015Last change: N/A

d払い－スマホ決済アプリ、キャッシュレスでお支払い

Installs: 14,504,390Score: 4.61Ratings: 259,979

Price: N/A

Version: N/AReleased: 4/22/2018Last change: N/A

あんしんセキュリティ

Installs: 13,098,745Score: 4.28Ratings: 3,595

Price: N/A

Version: N/AReleased: 2/7/2024Last change: N/A

dmenuニュース　最新ニュースや地域情報、お得なクーポンも

Installs: 8,567,095Score: 3.80Ratings: 32,440

Price: N/A

Version: N/AReleased: 2/3/2019Last change: N/A

dカードアプリ－明細照会・dポイントカードも利用できる！

Installs: 6,138,429Score: 4.15Ratings: 37,263

Price: N/A

Version: N/AReleased: 9/26/2016Last change: N/A

dアニメストア-アニメ動画が見放題のアプリ/コミックも読める

Installs: 2,951,765Score: 4.47Ratings: 20,307

Price: N/A

Version: N/AReleased: 10/19/2015Last change: N/A

dマガジン　豊富なジャンル！人気雑誌読み放題の電子書籍アプリ

Installs: 2,800,991Score: 4.22Ratings: 6,102

Price: N/A

Version: N/AReleased: 6/19/2014Last change: N/A

dフォト-写真や動画データをクラウド上にバックアップ保存

Installs: 2,284,966Score: 4.16Ratings: 2,233

Price: N/A

Version: N/AReleased: 3/22/2016Last change: N/A

dヘルスケア -歩数でdポイントがたまる健康管理アプリ-

Installs: 2,014,047Score: 3.86Ratings: 25,449

Price: N/A

Version: N/AReleased: 5/13/2018Last change: N/A

ahamo（アハモ）

Installs: 1,910,220Score: 4.00Ratings: 13,377

Price: N/A

Version: N/AReleased: 3/24/2021Last change: N/A

OCN アプリ

Installs: 1,705,258Score: 4.04Ratings: 8,277

Price: N/A

Version: N/AReleased: 6/24/2014Last change: N/A

Lemino（レミノ）映画やドラマ、アニメなどの動画が見放題

Installs: 1,623,663Score: 4.27Ratings: 11,063

Price: N/A

Version: N/AReleased: 3/29/2023Last change: N/A

dヒッツ-人気の音楽が聴き放題（サブスク）ミュージックアプリ

Installs: 1,595,978Score: 4.37Ratings: 41,803

Price: N/A

Version: N/AReleased: 10/17/2016Last change: N/A

プレーヤー（dミュージックプレーヤー）

Installs: 1,131,990Score: 3.39Ratings: 2,976

Price: N/A

Version: N/AReleased: 2/19/2019Last change: N/A

iDアプリ（MVNO/SIMロックフリー端末版）

Installs: 1,038,111Score: 3.82Ratings: 2,838

Price: N/A

Version: N/AReleased: 4/12/2016Last change: N/A

Lemino

Installs: 929,107Score: 4.13Ratings: 1,909

Price: N/A

Version: N/AReleased: 3/29/2023Last change: N/A

dアニメストア-アニメ配信サービス

Installs: 865,300Score: 2.10Ratings: 222

Price: N/A

Version: N/AReleased: 9/13/2016Last change: N/A

ドコモ海外利用

Installs: 722,500Score: 3.43Ratings: 144

Price: N/A

Version: N/AReleased: 10/6/2015Last change: N/A

dジョブスマホワーク-アンケートでdポイント＆お小遣い稼ぎ！

Installs: 655,568Score: 3.81Ratings: 11,572

Price: N/A

Version: N/AReleased: 11/15/2017Last change: N/A

dmenu スポーツ

Installs: 548,173Score: 4.12Ratings: 7,998

Price: N/A

Version: N/AReleased: 6/18/2018Last change: N/A

dフォトプリント -フォトブック作成/写真現像・印刷アプリ

Installs: 515,581Score: 3.88Ratings: 1,475

Price: N/A

Version: N/AReleased: 7/14/2020Last change: N/A

irumo（イルモ）

Installs: 352,331Score: 4.26Ratings: 922

Price: N/A

Version: N/AReleased: 9/3/2024Last change: N/A

dショッピング - dポイントが使えるドコモの通販アプリ

Installs: 326,905Score: 4.11Ratings: 3,536

Price: N/A

Version: N/AReleased: 7/20/2021Last change: N/A

賃貸・売買物件検索はgoo住宅不動産物件探しの不動産アプリ

Installs: 320,330Score: 4.01Ratings: 1,067

Price: N/A

Version: N/AReleased: 3/29/2020Last change: N/A

FANYチャンネル/お笑い・NMB48の番組が見放題

Installs: 317,442Score: 3.08Ratings: 552

Price: N/A

Version: N/AReleased: 4/23/2017Last change: N/A

dカーシェア　月額基本料0円で大手カーシェア・レンタカーを

Installs: 217,139Score: 4.27Ratings: 1,420

Price: N/A

Version: N/AReleased: 11/6/2017Last change: N/A

ドコモでんき／ガス　料金・使用量が一目でわかる！

Installs: 197,777Score: 4.14Ratings: 804

Price: N/A

Version: N/AReleased: 10/11/2022Last change: N/A

遠隔サポート

Installs: 182,977Score: 3.97Ratings: 64

Price: N/A

Version: N/AReleased: 3/25/2024Last change: N/A

イマドコサーチ

Installs: 180,963Score: 3.00Ratings: 81

Price: N/A

Version: N/AReleased: 10/5/2015Last change: N/A

ｄスマートバンク

Installs: 157,413Score: 3.84Ratings: 2,780

Price: N/A

Version: N/AReleased: 11/30/2022Last change: N/A

dスマホローン

Installs: 145,089Score: 4.41Ratings: 3,507

Price: N/A

Version: N/AReleased: 6/22/2022Last change: N/A

ひかりＴＶテレビ

Installs: 108,214Score: 3.49Ratings: 793

Price: N/A

Version: N/AReleased: 12/16/2020Last change: N/A

ドコモスポーツくじ／WINNER、BIG、totoが買える

Installs: 72,802Score: 3.46Ratings: 93

Price: N/A

Version: N/AReleased: 11/23/2022Last change: N/A

ALKOO forスゴ得

Installs: 68,323Score: 3.73Ratings: 265

Price: N/A

Version: N/AReleased: 9/7/2022Last change: N/A

NAVITIME forスゴ得

Installs: 51,609Score: 3.83Ratings: 96

Price: N/A

Version: N/AReleased: 8/4/2022Last change: N/A

NAVITIMEドライブサポーター forスゴ得

Installs: 30,789Score: 3.76Ratings: 79

Price: N/A

Version: N/AReleased: 8/4/2022Last change: N/A

MANGA MIRAI: Reader app

Installs: 1,743Score: 0.00Ratings: 0

Price: N/A

Version: N/AReleased: 2/17/2025Last change: N/A

More Apps inLifestyle

Siddur Chabad – Classic

Installs: 1,297Score: 4.46Ratings: 42

Price: N/A

Version: N/AReleased: 1/2/2018Last change: N/A

Adorable Animals - Watch face

Installs: 2,551Score: 4.37Ratings: 51

Price: N/A

Version: N/AReleased: 12/5/2023Last change: N/A

Paranormal Spirit Resonator

Installs: 170Score: 0.00Ratings: 0

Price: N/A

Version: N/AReleased: 2/5/2025Last change: N/A

CopperKnob

Installs: 5,600Score: 3.11Ratings: 74

Price: N/A

Version: N/AReleased: 6/25/2013Last change: N/A

Siddur Chabad – Annotated

Installs: 3,615Score: 4.53Ratings: 69

Price: N/A

Version: N/AReleased: 1/2/2018Last change: N/A

Daily Prayer PC(USA)

Installs: 2,887Score: 4.13Ratings: 63

Price: N/A

Version: N/AReleased: 2/27/2014Last change: N/A

Moravian Daily Texts 2025

Installs: 990Score: 4.89Ratings: 11

Price: N/A

Version: N/AReleased: 4/11/2019Last change: N/A

HOGSCAN

Installs: 2,232Score: 2.34Ratings: 30

Price: N/A

Version: N/AReleased: 2/18/2018Last change: N/A

Colorful Info - Watch face

Installs: 723Score: 4.83Ratings: 16

Price: N/A

Version: N/AReleased: 1/5/2024Last change: N/A

Roto Watch Face

Installs: 1,097Score: 4.75Ratings: 29

Price: N/A

Version: N/AReleased: 4/2/2025Last change: N/A

SAS Survival Guide

Installs: 36,519Score: 3.58Ratings: 1,207

Price: N/A

Version: N/AReleased: 10/10/2011Last change: N/A

Merge Labs Isometric 5

Installs: 232Score: 0.00Ratings: 0

Price: N/A

Version: N/AReleased: 12/16/2024Last change: N/A

Merge Labs Urban Scrawl

Installs: 275Score: 0.00Ratings: 0

Price: N/A

Version: N/AReleased: 2/21/2024Last change: N/A

Bikee

Installs: 254Score: 0.00Ratings: 0

Price: N/A

Version: N/AReleased: 12/30/2024Last change: N/A

ACIM Alerts with Workbook

Installs: 7,856Score: 4.76Ratings: 754

Price: N/A

Version: N/AReleased: 12/28/2014Last change: N/A

Spirit Words Full Version

Installs: 847Score: 3.67Ratings: 11

Price: N/A

Version: N/AReleased: 10/24/2022Last change: N/A

JND0115

Installs: 280Score: 0.00Ratings: 0

Price: N/A

Version: N/AReleased: 7/9/2025Last change: N/A

The Work App 4.0.1

Installs: 13,051Score: 4.48Ratings: 105

Price: N/A

Version: N/AReleased: 6/7/2018Last change: N/A

Ghostalker

Installs: 7,358Score: 4.11Ratings: 154

Price: N/A

Version: N/AReleased: 4/23/2019Last change: N/A

DADAM108 Digital Watch Face

Installs: 200Score: 0.00Ratings: 0

Price: N/A

Version: N/AReleased: 6/17/2025Last change: N/A

Digital Board Watch Face

Installs: 338Score: 0.00Ratings: 0

Price: N/A

Version: N/AReleased: 2/22/2024Last change: N/A

Celubiblia AIO PRO

Installs: 15,761Score: 4.10Ratings: 1,584

Price: N/A

Version: N/AReleased: 12/16/2013Last change: N/A

My Face Shape Meter and frames

Installs: 54,039Score: 3.93Ratings: 643

Price: N/A

Version: N/AReleased: 5/9/2016Last change: N/A

Sound Proof Puppy Training

Installs: 196Score: 0.00Ratings: 0

Price: N/A

Version: N/AReleased: 12/19/2024Last change: N/A

BeerSmith 3 Mobile Homebrewing

Installs: 83,344Score: 3.63Ratings: 1,659

Price: N/A

Version: N/AReleased: 4/30/2013Last change: N/A

Vocular How deep is your voice

Installs: 12,241Score: 3.42Ratings: 121

Price: N/A

Version: N/AReleased: 10/4/2017Last change: N/A

Gardenate

Installs: 32,872Score: 3.38Ratings: 387

Price: N/A

Version: N/AReleased: 2/27/2011Last change: N/A

Baby-Led Weaning Recipes

Installs: 51,324Score: 4.22Ratings: 1,185

Price: N/A

Version: N/AReleased: 6/11/2016Last change: N/A

Pixel Weather 3 - Watch face

Installs: 837Score: 0.00Ratings: 0

Price: N/A

Version: N/AReleased: 3/5/2025Last change: N/A

Comic Blast - Watch face

Installs: 37Score: 0.00Ratings: 0

Price: N/A

Version: N/AReleased: 6/2/2025Last change: N/A

Paranormal Spirit Bell

Installs: 1,112Score: 4.25Ratings: 23

Price: N/A

Version: N/AReleased: 1/11/2024Last change: N/A

EXD041: Spring Watch Face

Installs: 258Score: 0.00Ratings: 0

Price: N/A

Version: N/AReleased: 5/1/2024Last change: N/A

PARAVOX ITC SYSTEM 4 PRO

Installs: 457Score: 4.38Ratings: 30

Price: N/A

Version: N/AReleased: 3/13/2025Last change: N/A

Solex

Installs: 13,984Score: 4.08Ratings: 635

Price: N/A

Version: N/AReleased: 8/20/2016Last change: N/A

To Be A Christian: Catechism

Installs: 762Score: 5.00Ratings: 12

Price: N/A

Version: N/AReleased: 6/4/2024Last change: N/A

Lines Watch Face

Installs: 6,469Score: 4.83Ratings: 88

Price: N/A

Version: N/AReleased: 9/30/2021Last change: N/A

Go back to the Home page