# Port53 vs ESRT+

The clearest difference is iOS requirement: ESRT+ at 16.0 against Port53's 18.5. 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.

Port53 ships an update every 2 months, ESRT+ monthly. The most recent releases landed on October 30, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Port53 | ESRT+ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.7 (3 ratings)](https://appshunter.io/ios/app/esrt-plus/id6788101523/reviews)** |
| Number of ratings | — | **3** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | — | Free |
| Size | 2 MB | 107 MB |
| Requires iOS | 18.5 | **16.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Port53 Technologies Inc.](https://appshunter.io/developer/1849240467) | [Empire State realty Trust](https://appshunter.io/developer/1826165279) |

## What reviewers say

### Port53

[App page](https://appshunter.io/ios/app/port53/id6754613525)

**Features:** macOS Compatibility

**In-app purchases:** none


### ESRT+

[App page](https://appshunter.io/ios/app/esrt-plus/id6788101523)

Enhance your tenant experience with this building management app. Stay informed about building news and events, submit service requests, and access building amenities. It also offers mobile key access and local deals.

**Highlights:** Building news and events updates, Service request submission, Mobile key building access, Local offerings exploration, Amenity reservations

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

**In-app purchases:** none


## Frequently asked questions

### Is Port53 free?

Port53 is free to download, with no in-app purchases.

### Is ESRT+ free?

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

### Do Port53 or ESRT+ have ads?

Neither Port53 nor ESRT+ shows ads.

### Which is updated more often, Port53 or ESRT+?

Port53 ships an update every 2 months, and ESRT+ monthly. Most recently, Port53 was updated on October 30, 2026 and ESRT+ on November 5, 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.*