# NJIAAI vs Nav523

The clearest difference is iOS requirement: NJIAAI at 15.0 against Nav523's 17.6. 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.

NJIAAI ships an update every 10 months, Nav523 every 7 months. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | NJIAAI | Nav523 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (3 ratings)](https://appshunter.io/ios/app/nav523/id6759880196/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 7 months** |
| Monetization | — | Free |
| Size | 36 MB | 1 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Results at Hand Software LLC](https://appshunter.io/developer/669416687) | [Dennis Pino](https://appshunter.io/developer/1881429989) |

## What reviewers say

### NJIAAI

[App page](https://appshunter.io/ios/app/njiaai/id1644762209)

**Features:** macOS Compatibility

**In-app purchases:** none


### Nav523

[App page](https://appshunter.io/ios/app/nav523/id6759880196)

This app provides New Jersey construction code officials and industry professionals with verified data based on the Uniform Construction Code. It clarifies work types, offers UCC citations, and includes interactive permit forms. Real-time push alerts keep users informed of code updates.

**Highlights:** Verified NJ Uniform Construction Code data, Clarifies over seventy work types, UCC citations and licensing needs, Interactive permit forms, Real-time UCC push alerts, Data-driven library

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

**In-app purchases:** none


## Frequently asked questions

### Is NJIAAI free?

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

### Is Nav523 free?

Nav523 is free to download, with no in-app purchases.

### Do NJIAAI or Nav523 have ads?

Neither NJIAAI nor Nav523 shows ads.

### Which is updated more often, NJIAAI or Nav523?

NJIAAI ships an update every 10 months, and Nav523 every 7 months. Most recently, NJIAAI was updated on October 30, 2026 and Nav523 on October 31, 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.*