# CODES vs SDL Field

The clearest difference is update cadence: SDL Field at every 3 weeks against CODES's every 15 months. SDL Field also leads on iOS requirement (15.1 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

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

CODES ships an update every 15 months, SDL Field every 3 weeks. The most recent releases landed on June 1, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | CODES | SDL Field |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (7 ratings)](https://appshunter.io/ios/app/codes-nj-dfs/id6457414055/reviews)** | — |
| Number of ratings | **7** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 15 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 101 MB | 56 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Christopher Konash](https://appshunter.io/developer/1700927216) | [Spatial Data Logic Inc](https://appshunter.io/developer/815890783) |

## What reviewers say

### CODES

[App page](https://appshunter.io/ios/app/codes-nj-dfs/id6457414055)

This app streamlines firefighting operations for New Jersey Fire Departments by enabling Mutual Aid Coordinators to manage resources and responses efficiently. It provides access to county resources and alarm assignments, enhancing situational awareness and decision-making during emergencies.

**Highlights:** Resource management, Response coordination, Mutual aid management, County resource access, Department alarm assignments, Real-time data access

**Features:** macOS Compatibility

**In-app purchases:** none


### SDL Field

[App page](https://appshunter.io/ios/app/sdl-field/id6745799100)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is CODES free?

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

### Is SDL Field free?

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

### Do CODES or SDL Field have ads?

Neither CODES nor SDL Field shows ads.

### Which is updated more often, CODES or SDL Field?

CODES ships an update every 15 months, and SDL Field every 3 weeks. Most recently, CODES was updated on June 1, 2026 and SDL Field on September 9, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*