# AdachiBousaiNavi vs Relala（リララ）

The clearest difference is iOS requirement: AdachiBousaiNavi at 11.0 against Relala（リララ）'s 15.1. On price, update cadence, ads and in-app purchases there is nothing between them.

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

AdachiBousaiNavi ships an update every 3 months, Relala（リララ） every 6 weeks. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | AdachiBousaiNavi | Relala（リララ） |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 85.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 6 weeks** |
| Monetization | Free | — |
| Size | 141 MB | 37 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Adachi City](https://appshunter.io/developer/1428365659) | [株式会社EPARKリラク&エステ](https://appshunter.io/developer/1096509136) |

## What reviewers say

### AdachiBousaiNavi

[App page](https://appshunter.io/ios/app/adachibousainavi/id697816100)

This app provides essential disaster prevention information and tools for Adachi Ward residents and visitors. It includes hazard maps, shelter locations, emergency contact information, and crime prevention features like a whistle and flashlight.

**Highlights:** Disaster prevention maps with GPS, Flood and hazard map display, Shelter and evacuation site navigation, Disaster prevention guide booklet, Emergency facility search (hospitals, gas stations), Crime prevention whistle and flashlight

**Features:** macOS Compatibility

**In-app purchases:** none


### Relala（リララ）

[App page](https://appshunter.io/ios/app/relala/id1603568789)

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

**In-app purchases:** none


## Frequently asked questions

### Is AdachiBousaiNavi free?

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

### Is Relala（リララ） free?

Relala（リララ） is free to download, with no in-app purchases.

### Do AdachiBousaiNavi or Relala（リララ） have ads?

Neither AdachiBousaiNavi nor Relala（リララ） shows ads.

### Which is updated more often, AdachiBousaiNavi or Relala（リララ）?

AdachiBousaiNavi ships an update every 3 months, and Relala（リララ） every 6 weeks. Most recently, AdachiBousaiNavi was updated on October 24, 2026 and Relala（リララ） 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.*