# NYC Advance Warning System vs Gotham Edifice

The clearest difference is in-app purchases: NYC Advance Warning System at none against Gotham Edifice's 4. NYC Advance Warning System also leads on iOS requirement (9.0 vs 17.6). Gotham Edifice's advantage is update cadence (every 8 days vs every 5 months) and ratings volume (9 vs 3). On price, rating, review sentiment and ads there is nothing between them.

Both are free to download. Gotham Edifice sells 4 in-app purchases, starting at $19.99 per year. NYC Advance Warning System asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for NYC Advance Warning System against 5.0 for Gotham Edifice. Both are backed by a comparable volume of ratings — 3 and 9 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

NYC Advance Warning System ships an update every 5 months, Gotham Edifice every 8 days. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | NYC Advance Warning System | Gotham Edifice |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (3 ratings)](https://appshunter.io/ios/app/nyc-advance-warning-system/id1358824362/reviews) | [5.0 (9 ratings)](https://appshunter.io/ios/app/gotham-edifice/id1465631520/reviews) |
| Number of ratings | 3 | **9** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 8 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 16 MB | 3 MB |
| Requires iOS | **9.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Department of Information Technology And Telecomm](https://appshunter.io/developer/324897622) | [Joshua Kaden](https://appshunter.io/developer/417845202) |

## What reviewers say

### NYC Advance Warning System

[App page](https://appshunter.io/ios/app/nyc-advance-warning-system/id1358824362)

This app provides timely alerts about hazards and emergencies in New York City. It is designed for organizations serving individuals with disabilities and those with access and functional needs. Additional capabilities are available via its website.

**Highlights:** Emergency hazard alerts, Notifications for people with disabilities, NYC-specific information, Partnership with city agencies, Website integration for more features

**Features:** macOS Compatibility

**In-app purchases:** none


### Gotham Edifice

[App page](https://appshunter.io/ios/app/gotham-edifice/id1465631520)

Access detailed public information about New York City addresses, including physical data, city agency records, and zoning details. Features include address search, map-based discovery, and the ability to favorite locations for quick reference.

**Highlights:** Address details and physical data, City agency records (DOB, 311, HPD), Zoning and district information, Map-based address search, Autocomplete address search, Favorite locations, ACRIS document access (subscription)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ACRIS integration | $19.99 | per year |
| One dollar tip | $0.99 | one-time |
| Two dollar tip | $1.99 | one-time |
| Five dollar tip | $4.99 | one-time |


## Frequently asked questions

### Is NYC Advance Warning System free?

NYC Advance Warning System is free to download, with no in-app purchases.

### Is Gotham Edifice free?

Gotham Edifice is free to download, with in-app purchases available.

### Which has better reviews, NYC Advance Warning System or Gotham Edifice?

NYC Advance Warning System and Gotham Edifice are both rated 5.0 out of 5 on the App Store, from 3 and 9 ratings respectively.

### Do NYC Advance Warning System or Gotham Edifice have ads?

Neither NYC Advance Warning System nor Gotham Edifice shows ads.

### Which is updated more often, NYC Advance Warning System or Gotham Edifice?

NYC Advance Warning System ships an update every 5 months, and Gotham Edifice every 8 days. Most recently, NYC Advance Warning System was updated on November 2, 2026 and Gotham Edifice on November 3, 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.*