NJIAAI vs Nav523
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
NJIAAI
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The New Jersey Chapter of the International Association of Arson Investigators (NJIAAI) is one of 70 chapters of the International Association of Arson Investigators (IAAI). The chapter consists of personnel from the fire service, law enforcement, insurance, and legal fields. The NJIAAI promotes the profession of Fire/Arson Investigation and provides training throughout New Jersey. Using this app you can access NJIAAI event/training information, agenda, evaluations, maps, and more! About the 2026 Annual Conference: The annual conference provides training and education for Fire Investigators to be prepared with the most up-to-date knowledge when facing fire risks, arsons and other hazards in both the public and private sectors. This conference is attended by professionals from New Jersey as well as surrounding states and even representatives from other parts of the country. During the conference you will have access to leading experts within the fire investigation world, network with federal, state and local departments and agencies, network with peers and develop professional connections and all classes are based on and consistent with the latest editions of NFPA 921 and NFPA 1033. Use the app for directory, see your badge QR code, download speaker handouts, complete evaluations, view the maps, and more.
Nav523
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.
- 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
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Nav523 is the first mobile app designed for New Jersey construction code officials, subcodes, inspectors, technical assistants, contractors and other industry related professionals. It is simple, powerful, verified data driven based upon the Uniform Construction Code (UCC) and established work types. Initially developed for one-and two-family dwellings (R5 & R3), it clarifies over seventy work types using a data-driven database and exclusive library. Users can access UCC citations, identify licensing needs, inspection protocols and much more. The app also offers interactive permit forms that can be completed on your device, printed, or shared from your smartphone. Additionally, the app serves as a communication hub by delivering real-time UCC push alerts. Nav523 aims to improve consistency, efficiency, and public interaction.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | NJIAAI | Nav523 |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.0 (3 ratings) — better |
| Positive reviews | — | 0.0% of reviews |
| Number of ratings | — | 3 — better |
| Update frequency | Every 10 months | Every 7 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 36 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Results at Hand Software LLC | Dennis Pino |
In-app purchases
NJIAAI
No in-app purchases
Nav523
No in-app purchases









