iShindo vs EQMonitor 地震速報
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
iShindo
This app measures earthquake seismic intensity using your iPhone or iPad. It offers multiple measurement scales and automatically records events, allowing for photo capture. Data can be synced across up to 10 devices via iCloud.
- Seismic intensity measurement (JMA, MMI, SI)
- Automatic earthquake event recording
- Photo capture during events
- iCloud sync across devices
- JMA Seismic Intensity Scale (0-7)
- Modified Mercalli Intensity Scale (I-XII)
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iShindo measures earthquake seismic intensity using your iPhone or iPad. FEATURES • Seismic intensity measurement based on the JMA (Japan Meteorological Agency) method • Modified Mercalli Intensity (MMI) measurement • Spectral Intensity (SI) measurement • Automatic earthquake event recording and list view • Photo capture during earthquake events • iCloud sync across devices (up to 10) INTENSITY SCALES • JMA Seismic Intensity Scale (0–7) • Modified Mercalli Intensity Scale (I–XII) TECHNOLOGY Intensity calculations comply with the JMA instrumental intensity method. SI values comply with the MLIT-specified method. Developed with patented technology from joint research with NIED (National Research Institute for Earth Science and Disaster Prevention). NOTE Measurements are not from JMA-certified seismometers. Values are "equivalent intensity" for reference only. REQUIREMENTS • iOS 16.0 or later • iPhone 8 / X or later, iPad with iPadOS 16
EQMonitor 地震速報
Receive timely earthquake and urgent earthquake early warning notifications for Japan. View past earthquake history with a detailed database and see real-time P-wave and S-wave predictions. Access the Strong Motion Monitor for visual earthquake data.
- Earthquake and early warning notifications
- Customizable notification conditions by region
- View past earthquake history (since 1919)
- Real-time display of urgent earthquake warnings
- P-wave/S-wave arrival and epicenter display
- Access to Strong Motion Monitor
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EQMonitorは、日本全国の地震情報をいち早く受信できるアプリケーションです。 【機能】 ・地震情報・緊急地震速報の通知 ・地域ごとに通知する条件を指定できます ・気象庁により発表された地震情報や、緊急地震速報を受信し、通知します。 ・過去の地震履歴の閲覧 ・過去に発表された地震情報を遡って確認できます。 ・震度データベースにより、1919年以降の地震履歴を確認できます。 ・緊急地震速報のリアルタイム表示 ・緊急地震速報が発表された際に、P波・S波の予想到達範囲、予想最大震度、震央地を表示します。 ・緊急地震速報は、リアルタイムに更新され、インターネットに接続されていれば、どこからでも確認できます。 ・強震モニタの表示 ・防災科学技術研究所の提供するWebサービス 強震モニタ を表示します。 (※ 強震モニタは、揺れの様子を直感的に捉えることを目的としています。また、リアルタイムで観測値を処理しているため、ノイズ等により観測値が変動します。 そのため、本アプリケーションで表示される観測値は、あくまで参考値としてご利用ください。)
Screenshots
Verdict
The clearest difference is rating: EQMonitor 地震速報 at 5.0 against iShindo's 4.0. EQMonitor 地震速報 also leads on review sentiment (89% vs 53%) and update cadence (every 11 days vs every 7 months). iShindo's advantage is in-app purchases (none vs 4). On price, ratings volume, ads 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
Both are free to download. EQMonitor 地震速報 sells 4 one-off in-app purchases. iShindo asks for nothing beyond the download.
EQMonitor 地震速報 holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 3 and 6 respectively. Written reviews point the same way: 53% of iShindo's written reviews are positive against 89% of EQMonitor 地震速報's.
iShindo ships an update every 7 months, EQMonitor 地震速報 every 11 days. The most recent releases landed on September 13, 2026 and September 24, 2026 respectively.
| Parameter | iShindo | EQMonitor 地震速報 |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (3 ratings) | 5.0 (6 ratings) — better |
| Positive reviews | 53.3% of reviews | 89.3% of reviews — better |
| Number of ratings | 3 | 6 — better |
| Update frequency | Every 7 months | Every 11 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 3 MB | 79 MB |
| Age rating | 4+ | 4+ |
| Developer | Hakusan Corporation | Ryotaro Onoue |
Customer experience
iShindo
EQMonitor 地震速報
In-app purchases
iShindo
No in-app purchases
EQMonitor 地震速報
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