Comparison

iShindo vs Taiwan EEW

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • 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)
Read full description

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

About

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.

Highlights
  • 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
Features
Read full description

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

iShindo4 screens
Taiwan EEW2 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

iShindo ships an update every 7 months, Taiwan EEW monthly. The most recent releases landed on November 6, 2026 and November 12, 2026 respectively.

Scorecard6 real differences · 4 level
iShindo versus Taiwan EEW: the parameters behind the verdict, then further details
ParameteriShindoTaiwan EEW
PriceFreeFree
Rating4.0 (3 ratings)4.9 (15 ratings) — better
Positive reviews53.3% of reviews96.6% of reviews — better
Number of ratings315 — better
Update frequencyEvery 7 monthsMonthly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.015.4 — better
Further details — not scored
Size3 MB137 MB
Age rating4+4+
DeveloperHakusan CorporationTzu-Yu Lin

Customer experience

iShindo

All ratings3 ratings
Positive66.7%
Neutral0.0%
Negative33.3%
Written reviews15 reviews
Positive53.3%
Neutral20.0%
Negative26.7%

Taiwan EEW

All ratings15 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews59 reviews
Positive96.6%
Neutral1.7%
Negative1.7%

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
Show 4 more
  • 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
Show 5 more
  • 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

None

iShindo

No in-app purchases

7 purchases

Taiwan EEW

Subscriptions2
  • 每月定期定額贊助$1.991 Month
  • 每月定期定額贊助$3.991 Month
One-time5
  • 一次性贊助$0.99
  • 一次性贊助$1.99
  • 一次性贊助$4.99
Show 2 more
  • 一次性贊助$19.99
  • 一次性贊助$49.99

Questions

Is iShindo free?
iShindo is free to download, with no in-app purchases.
Is Taiwan EEW free?
Taiwan EEW is free to download, with in-app purchases available.
Which has better reviews, iShindo or Taiwan EEW?
Taiwan EEW is rated higher. iShindo averages 4.0 out of 5 from 3 ratings, while Taiwan EEW averages 4.9 from 15 ratings.
Do iShindo or Taiwan EEW have ads?
Neither iShindo nor Taiwan EEW shows ads.
Which is updated more often, iShindo or Taiwan EEW?
iShindo ships an update every 7 months, and Taiwan EEW monthly. Most recently, iShindo was updated on November 6, 2026 and Taiwan EEW on November 12, 2026.

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