# ADC Urethane Systems vs Optic D2D

The clearest difference is update cadence: Optic D2D at every 2 weeks against ADC Urethane Systems's every 3 months. ADC Urethane Systems's advantage is ratings volume (7 vs 2) and iOS requirement (11.0 vs 15.1). On price, rating, 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.

On the App Store both sit at effectively the same score — 5.0 for ADC Urethane Systems against 5.0 for Optic D2D. Both are backed by a comparable volume of ratings — 7 and 2 respectively.

ADC Urethane Systems ships an update every 3 months, Optic D2D every 2 weeks. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | ADC Urethane Systems | Optic D2D |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (7 ratings)](https://appshunter.io/ios/app/adc-urethane-systems/id1462098192/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/optic-d2d-sell-fiber/id6670408892/reviews) |
| Number of ratings | **7** | 2 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 13 MB | 36 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [CODIFI LLC](https://appshunter.io/developer/1197506641) | [Jayden Crowther](https://appshunter.io/developer/1753867155) |

## What reviewers say

### ADC Urethane Systems

[App page](https://appshunter.io/ios/app/adc-urethane-systems/id1462098192)

This free utility app provides users with essential tools for urethane products. It includes casting calculators, formulation search, and access to technical data sheets and safety data sheets.

**Highlights:** Casting calculators, Formulation search, Technical data sheets, US SDS access, Urethane product information

**Features:** macOS Compatibility

**In-app purchases:** none


### Optic D2D

[App page](https://appshunter.io/ios/app/optic-d2d-sell-fiber/id6670408892)

This app helps door-to-door sales teams manage leads and track progress for fiber optic internet sales. It allows for easy editing of pins, updating lead statuses, and adding notes to stay organized. Designed for efficiency and simplicity, it integrates with specific sales platforms.

**Highlights:** Lead status management, Pin editing, Add notes to leads, Sales team organization, Integration with ASAP and BASS

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

**In-app purchases:** none


## Frequently asked questions

### Is ADC Urethane Systems free?

ADC Urethane Systems is free to download, with no in-app purchases.

### Is Optic D2D free?

Optic D2D is free to download, with no in-app purchases.

### Which has better reviews, ADC Urethane Systems or Optic D2D?

ADC Urethane Systems and Optic D2D are both rated 5.0 out of 5 on the App Store, from 7 and 2 ratings respectively.

### Do ADC Urethane Systems or Optic D2D have ads?

Neither ADC Urethane Systems nor Optic D2D shows ads.

### Which is updated more often, ADC Urethane Systems or Optic D2D?

ADC Urethane Systems ships an update every 3 months, and Optic D2D every 2 weeks. Most recently, ADC Urethane Systems was updated on November 3, 2026 and Optic D2D on October 30, 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.*