# iShindo vs Blitz Map

The clearest difference is rating: iShindo at 4.0 against Blitz Map's 1.0. iShindo also leads on ratings volume (3 vs 1). Blitz Map's advantage is iOS requirement (14.5 vs 16.0). On price, review sentiment, update cadence and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

iShindo holds the better App Store score, 4.0 against 1.0. Both are backed by a comparable volume of ratings — 3 and 1 respectively. Written reviews point the same way: 53% of iShindo's written reviews are positive against 50% of Blitz Map's.

iShindo ships an update every 7 months, Blitz Map every 8 months. The most recent releases landed on October 17, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | iShindo | Blitz Map |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (3 ratings)](https://appshunter.io/ios/app/ishindo-seismic-intensity/id720738431/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/blitz-map/id1581240590/reviews) |
| Number of ratings | **3** | 1 |
| Positive reviews | **53.3% of reviews** | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 7 months** | Every 8 months |
| Monetization | Free | Free |
| Size | 3 MB | 9 MB |
| Requires iOS | 16.0 | **14.5** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hakusan Corporation](https://appshunter.io/developer/386745652) | [tomomi narita](https://appshunter.io/developer/1581240592) |

## What reviewers say

### iShindo

[App page](https://appshunter.io/ios/app/ishindo-seismic-intensity/id720738431)

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)

**In-app purchases:** none


### Blitz Map

[App page](https://appshunter.io/ios/app/blitz-map/id1581240590)

This app displays real-time lightning strike information for the Asia-Pacific region using data from a volunteer-operated network. It shows historical lightning activity and allows users to set custom warnings for specific locations.

**Highlights:** Real-time lightning strike display, Color-coded historical data (past 2 hours), Tap for time and location details, Customizable lightning strike warnings, Three map view options

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is iShindo free?

iShindo is free to download, with no in-app purchases.

### Is Blitz Map free?

Blitz Map is free to download, with no in-app purchases.

### Which has better reviews, iShindo or Blitz Map?

iShindo is rated higher. iShindo averages 4.0 out of 5 from 3 ratings, while Blitz Map averages 1.0 from 1 ratings.

### Do iShindo or Blitz Map have ads?

Neither iShindo nor Blitz Map shows ads.

### Which is updated more often, iShindo or Blitz Map?

iShindo ships an update every 7 months, and Blitz Map every 8 months. Most recently, iShindo was updated on October 17, 2026 and Blitz Map on October 16, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*