# Crystal Inventory vs PP Training

The clearest difference is review sentiment: Crystal Inventory at 100% against PP Training's 0%. PP Training's advantage is update cadence (every 2 weeks vs every 2 months). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Crystal Inventory ships an update every 2 months, PP Training every 2 weeks. The most recent releases landed on June 4, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | Crystal Inventory | PP Training |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (9 ratings)](https://appshunter.io/ios/app/crystal-inventory/id1489054453/reviews)** | — |
| Number of ratings | **9** | — |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 8 MB | 63 MB |
| Requires iOS | **16.2** | 17.6 |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Crystal Tech Solutions, Inc.](https://appshunter.io/developer/1693648165) | [PATEK PHILIPPE SA GENEVE](https://appshunter.io/developer/1006561816) |

## What reviewers say

### Crystal Inventory

[App page](https://appshunter.io/ios/app/crystal-inventory/id1489054453)

Manage your business inventory and clients with ease. This app offers powerful search and filtering for items, detailed client profiles, and integrated communication tools for sales and service.

**Highlights:** Inventory search by vendor or item type, Client data management, Point-of-sale features, SKU lookup, Integrated email and text messaging

**Features:** macOS Compatibility

**In-app purchases:** none


### PP Training

[App page](https://appshunter.io/ios/app/pp-training/id1526263331)

This training game is designed for Patek Philippe personnel to enhance their knowledge of the brand and its products. It features competitive gameplay, quizzes, and card games to aid in sales, promotion, and marketing efforts.

**Highlights:** Competitive player vs. player mode, Knowledge-testing quizzes, Card game collection, Brand and product training, Exclusive access for staff

**In-app purchases:** none


## Frequently asked questions

### Is Crystal Inventory free?

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

### Is PP Training free?

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

### Do Crystal Inventory or PP Training have ads?

Neither Crystal Inventory nor PP Training shows ads.

### Which is updated more often, Crystal Inventory or PP Training?

Crystal Inventory ships an update every 2 months, and PP Training every 2 weeks. Most recently, Crystal Inventory was updated on June 4, 2026 and PP Training on September 11, 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.*