# FASTALERT（ファストアラート） vs まとめナビ

The clearest difference is review sentiment: まとめナビ at 67% against FASTALERT（ファストアラート）'s 0%. まとめナビ also leads on update cadence (every 9 days vs monthly). FASTALERT（ファストアラート）'s advantage is ads (none vs shown) and monetization model (free vs ad-supported). On price, in-app purchases and device support there is nothing between them.

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

FASTALERT（ファストアラート） ships an update monthly, まとめナビ every 9 days. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | FASTALERT（ファストアラート） | まとめナビ |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | **66.7% of reviews** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Every 9 days** |
| Monetization | **Free** | Ad-supported |
| Size | 54 MB | 139 MB |
| Requires iOS | **11.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | +17 |
| Developer | [JX PRESS Corp.](https://appshunter.io/developer/563814511) | [MediaLeap Inc.](https://appshunter.io/developer/1820330035) |

## What reviewers say

### FASTALERT（ファストアラート）

[App page](https://appshunter.io/ios/app/fastalert/id1515207686)

This AI-powered emergency information service delivers real-time alerts on disasters, accidents, and incidents sourced from social media. It is designed for professional use in news reporting, disaster prevention, and crisis management. Access requires a corporate or organizational contract.

**Highlights:** AI-powered emergency information, Real-time alerts for disasters, accidents, incidents, Sourced from social media, Used for news reporting, Used for crisis management

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

**In-app purchases:** none


### まとめナビ

[App page](https://appshunter.io/ios/app/id6483685698)

This app aggregates Japanese news summaries, YouTube videos, and translations of international reactions to Japanese topics. It offers a personalized feed, trending articles, and the ability to save favorites. Users can also earn points through daily bonuses and watching video ads.

**Highlights:** International reaction summaries, Personalized home feed, Daily, weekly, and hall of fame rankings, Keyword and tag search, Integrated YouTube videos, Comment and like functionality, Save favorites and view history, Push notifications

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

**In-app purchases:** none


## Frequently asked questions

### Is FASTALERT（ファストアラート） free?

FASTALERT（ファストアラート） is free to download, with no in-app purchases.

### Is まとめナビ free?

まとめナビ is free to download, with no in-app purchases.

### Do FASTALERT（ファストアラート） or まとめナビ have ads?

まとめナビ shows ads; FASTALERT（ファストアラート） does not.

### Which is updated more often, FASTALERT（ファストアラート） or まとめナビ?

FASTALERT（ファストアラート） ships an update monthly, and まとめナビ every 9 days. Most recently, FASTALERT（ファストアラート） was updated on October 27, 2026 and まとめナビ on October 25, 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.*