# Collision Core Inventory vs Viper PDR

The clearest difference is review sentiment: Viper PDR at 100% against Collision Core Inventory's 0%. Viper PDR also leads on rating (5.0 vs 2.7) and iOS requirement (13.0 vs 17.0). Collision Core Inventory's advantage is ratings volume (7 vs 1). 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.

Viper PDR holds the better App Store score, 5.0 against 2.7. That said, the two scores are not equally well evidenced: Collision Core Inventory has 7 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 0% of Collision Core Inventory's written reviews are positive against 100% of Viper PDR's.

Collision Core Inventory ships an update every 2 months, Viper PDR monthly. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Collision Core Inventory | Viper PDR |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.7 (7 ratings)](https://appshunter.io/ios/app/collision-core-inventory/id1538012572/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/viper-pdr/id6502194482/reviews)** |
| Number of ratings | **7** | 1 |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Free | Free |
| Size | 9 MB | 24 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [The Sherwin-Williams Company](https://appshunter.io/developer/708335816) | [Robert Williams](https://appshunter.io/developer/912248588) |

## What reviewers say

### Collision Core Inventory

[App page](https://appshunter.io/ios/app/collision-core-inventory/id1538012572)

Manage your inventory and place orders for automotive finishes. This tool is specifically for Sherwin-Williams customers, streamlining the process of tracking stock and making purchases.

**Highlights:** Inventory management, Order placement, Automotive finishes, Customer-specific tools, Stock tracking

**Features:** Vision Pro support

**In-app purchases:** none


### Viper PDR

[App page](https://appshunter.io/ios/app/viper-pdr/id6502194482)

This software offers real-time solutions for the PDR repair industry, streamlining operations and reducing costs. It seamlessly integrates with leading estimating platforms for efficient data exchange and accurate job costing.

**Highlights:** Real-time PDR solutions, Streamlined operations, Reduced costs and time savings, Integration with estimating platforms, Accurate job costing, Automated repair order management

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Collision Core Inventory free?

Collision Core Inventory is free to download, with no in-app purchases.

### Is Viper PDR free?

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

### Which has better reviews, Collision Core Inventory or Viper PDR?

Viper PDR is rated higher. Collision Core Inventory averages 2.7 out of 5 from 7 ratings, while Viper PDR averages 5.0 from 1 ratings.

### Do Collision Core Inventory or Viper PDR have ads?

Neither Collision Core Inventory nor Viper PDR shows ads.

### Which is updated more often, Collision Core Inventory or Viper PDR?

Collision Core Inventory ships an update every 2 months, and Viper PDR monthly. Most recently, Collision Core Inventory was updated on November 3, 2026 and Viper PDR 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.*