# Crystal vs Zeus Ordering

The clearest difference is rating: Crystal at 5.0 against Zeus Ordering's 1.9. Zeus Ordering's advantage is ratings volume (183 vs 3) and iOS requirement (12.2 vs 16.0). 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.

Crystal holds the better App Store score, 5.0 against 1.9. That said, the two scores are not equally well evidenced: Zeus Ordering has 183 ratings behind it against 3, so its average is the more settled of the two.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on September 9, 2026 and September 1, 2026 respectively.

## The numbers

| Metric | Crystal | Zeus Ordering |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/crystal/id1438741933/reviews)** | [1.9 (183 ratings)](https://appshunter.io/ios/app/zeus-ordering/id1521493903/reviews) |
| Number of ratings | 3 | **183** |
| Positive reviews | — | 15.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Free | Free |
| Size | 76 MB | 156 MB |
| Requires iOS | 16.0 | **12.2** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Crystal Apps Ltd.](https://appshunter.io/developer/1142260568) | [SDI Inc.](https://appshunter.io/developer/1521493905) |

## What reviewers say

### Crystal

[App page](https://appshunter.io/ios/app/crystal/id1438741933)

This AI-powered tool analyzes private business data using natural language. It provides a consumerized, human-centric platform for enterprise-level security and compliance, allowing anyone to access and analyze data by asking questions.

**Highlights:** Natural language data analysis, Conversational AI interface, Enterprise-grade security and compliance, Connects to multiple data sources, Real-time insights and forecasts, Accessible on any device

**In-app purchases:** none


### Zeus Ordering

[App page](https://appshunter.io/ios/app/zeus-ordering/id1521493903)

This app streamlines procurement for MRO, PPE, and indirect supply needs. It offers eProcurement software with extensive category access, data analytics for efficiency insights, and automation to reduce repetitive tasks. Storeroom technology enables accurate inventory management and tracking.

**Highlights:** eProcurement software, Data analytics and dynamic sourcing, Robotic process automation, Mobile storeroom technology, Inventory management system, Barcode scanning

**In-app purchases:** none

**What reviewers like**

- 👍 Getting better over time
- 👍 Good for ordering parts
- 👍 Easy to use for knowledgeable users
- 👍 Innovation in MRO space
- 👍 Real-time order visibility

**What reviewers complain about**

- 🐛 Constantly crashes
- 🐛 Frequent error messages
- 🐛 Lost connection issues
- 🐛 No pictures for parts
- 🐛 Incorrect part descriptions

**Reported bugs**

- Constantly crashes
- Frequent error messages
- Lost connection
- App doesn't log in
- Server is down

**Requested features**

- Add pictures for parts
- Improve part descriptions with details
- Allow direct communication with suppliers
- Ability to send pictures in comments
- Add ability to copy from catalog to paste elsewhere


## Frequently asked questions

### Is Crystal free?

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

### Is Zeus Ordering free?

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

### Which has better reviews, Crystal or Zeus Ordering?

Crystal is rated higher. Crystal averages 5.0 out of 5 from 3 ratings, while Zeus Ordering averages 1.9 from 183 ratings.

### Do Crystal or Zeus Ordering have ads?

Neither Crystal nor Zeus Ordering shows ads.

### Which is updated more often, Crystal or Zeus Ordering?

Crystal ships an update every 3 weeks, and Zeus Ordering every 3 weeks. Most recently, Crystal was updated on September 9, 2026 and Zeus Ordering on September 1, 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.*