iShindo vs Taiwan EEW
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
Taiwan EEW
Receive real-time earthquake alerts with customizable intensity thresholds and distinct alarm sounds. This app provides crucial seconds to prepare for seismic events, acting as a partner to official weather agencies. While in beta, it aims to offer timely and accurate earthquake data.
- Real-time strong earthquake alerts
- Countdown and estimated local intensity
- Push notifications with alarm sounds
- Customizable alert threshold
- Critical notifications for moderate/large earthquakes
- Official partner of Central Weather Association
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Join the Public Beta: https://testflight.apple.com/join/uspRXGt7 For discussion and reporting issues: https://discord.gg/KrJV77bdJA 【Official Partner of the Central Weather Association】 臺灣地震速報 Taiwan Earthquake Early Warning (EEW) 〈 Real-Time Strong Earthquake Alerts 〉 Get earthquake data from the Central Weather Bureau immediately after an earthquake occurs, displaying a countdown and estimated local intensity. Push notifications with alarm sounds provide you with crucial seconds to prepare and respond to an earthquake. You can customize the earthquake alert threshold, ensuring you never miss a moderate or small earthquake that might be overlooked by national alerts. ※ Earthquake Warning Criteria: Magnitude 4.5 or above and/or estimated intensity of 3 or higher in any area nationwide. ※ The "CRITICAL Notifications" feature is limited to moderate or large earthquakes with an estimated intensity of 3 or higher. 〈 Earthquake Reports 〉 This feature will return in a future update, stay tuned! ※ Earthquake warnings may have inaccuracies and false alarms. Use them as a reference during emergencies, and rely on the Central Weather Bureau's final earthquake report. ※ This application is currently in the testing phase, and some features and information may contain errors. We appreciate your understanding. Data Source: Central Weather Bureau, Ministry of Transportation and Communications Produced by Lin Tzu-Yu Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is review sentiment: Taiwan EEW at 97% against iShindo's 53%. Taiwan EEW also leads on rating (4.9 vs 4.0) and update cadence (monthly vs every 7 months). iShindo's advantage is in-app purchases (none vs 7). On price, ads, device support and iOS requirement 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. Taiwan EEW sells 7 in-app purchases, starting at $1.99 per month. iShindo asks for nothing beyond the download.
Taiwan EEW holds the better App Store score, 4.9 against 4.0. That said, the two scores are not equally well evidenced: Taiwan EEW has 15 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 53% of iShindo's written reviews are positive against 97% of Taiwan EEW's.
iShindo ships an update every 7 months, Taiwan EEW monthly. The most recent releases landed on November 6, 2026 and November 12, 2026 respectively.
| Parameter | iShindo | Taiwan EEW |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (3 ratings) | 4.9 (15 ratings) — better |
| Positive reviews | 53.3% of reviews | 96.6% of reviews — better |
| Number of ratings | 3 | 15 — better |
| Update frequency | Every 7 months | Monthly — 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 | 15.4 — better |
| Further details — not scored | ||
| Size | 3 MB | 137 MB |
| Age rating | 4+ | 4+ |
| Developer | Hakusan Corporation | Tzu-Yu Lin |
Customer experience
iShindo
Taiwan EEW
Bugs and requests
iShindo
Not enough reviews yet to summarise bugs or requests.
Taiwan EEW
Reported bugs
9 issues- Notifications not received
- Location not updating to current position
- App shows false alarms (notifications when no earthquake)
- Historical data is no longer visible after updates
- Persistent notification count badge
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- Notification bug in current version
- App sometimes doesn't sound or notify
- Text in notifications is too short to read fully
- App shows error messages (garbled text, internal test messages)
Requested features
10 requests- Restore historical data view
- Link with location services
- Add more regions/cities (e.g., Pingtung, New Taipei, Taoyuan, Yunlin)
- Option to choose notification intensity
- Automatic location detection
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- More detailed display options
- Interconnection with national systems
- Louder alarm sounds
- Ability to select specific counties/cities for notifications
- More comprehensive historical records
In-app purchases
iShindo
No in-app purchases
Taiwan EEW
- 每月定期定額贊助$1.991 Month
- 每月定期定額贊助$3.991 Month
- 一次性贊助$0.99
- 一次性贊助$1.99
- 一次性贊助$4.99
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- 一次性贊助$19.99
- 一次性贊助$49.99









