# ADC Urethane Systems vs ToolKeeper

The clearest difference is update cadence: ToolKeeper at every 2 days against ADC Urethane Systems's every 3 months. ADC Urethane Systems's advantage is iOS requirement (11.0 vs 17.6). 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.

ADC Urethane Systems ships an update every 3 months, ToolKeeper every 2 days. The most recent releases landed on June 1, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | ADC Urethane Systems | ToolKeeper |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (7 ratings)](https://appshunter.io/ios/app/adc-urethane-systems/id1462098192/reviews)** | — |
| Number of ratings | **7** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 days** |
| Monetization | Free | — |
| Size | 13 MB | 14 MB |
| Requires iOS | **11.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [CODIFI LLC](https://appshunter.io/developer/1197506641) | [Luke Pilkington](https://appshunter.io/developer/1515186312) |

## 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


### ToolKeeper

[App page](https://appshunter.io/ios/app/toolkeeper/id6444084304)

**Features:** macOS Compatibility

**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 ToolKeeper free?

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

### Do ADC Urethane Systems or ToolKeeper have ads?

Neither ADC Urethane Systems nor ToolKeeper shows ads.

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

ADC Urethane Systems ships an update every 3 months, and ToolKeeper every 2 days. Most recently, ADC Urethane Systems was updated on June 1, 2026 and ToolKeeper on September 28, 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.*