# LEVEL Catalog vs Mining Sentry Operator

The clearest difference is update cadence: Mining Sentry Operator at fortnightly against LEVEL Catalog's every 16 months. LEVEL Catalog's advantage is iOS requirement (11.0 vs 15.1). 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.

LEVEL Catalog ships an update every 16 months, Mining Sentry Operator fortnightly. Both last shipped on June 4, 2026.

## The numbers

| Metric | LEVEL Catalog | Mining Sentry Operator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/mining-sentry-operator/id6471847543/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 16 months | **Fortnightly** |
| Monetization | — | Free |
| Size | 21 MB | 35 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Level Partners, LLC](https://appshunter.io/developer/1417451483) | [Robert Smith](https://appshunter.io/developer/1716065952) |

## What reviewers say

### LEVEL Catalog

[App page](https://appshunter.io/ios/app/level-catalog/id1509473037)

**Features:** macOS Compatibility

**In-app purchases:** none


### Mining Sentry Operator

[App page](https://appshunter.io/ios/app/mining-sentry-operator/id6471847543)

Streamline mining and quarry operations with a platform designed for equipment and workplace exams. Ensure MSHA compliance, enhance worker safety, and gain real-time insights for efficient management.

**Highlights:** Comprehensive equipment exams, Efficient workplace exams, Real-time data and analytics, User-friendly interface, Reliable compliance tracking

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is LEVEL Catalog free?

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

### Is Mining Sentry Operator free?

Mining Sentry Operator is free to download, with no in-app purchases.

### Do LEVEL Catalog or Mining Sentry Operator have ads?

Neither LEVEL Catalog nor Mining Sentry Operator shows ads.

### Which is updated more often, LEVEL Catalog or Mining Sentry Operator?

LEVEL Catalog ships an update every 16 months, and Mining Sentry Operator fortnightly. Most recently, LEVEL Catalog was updated on June 4, 2026 and Mining Sentry Operator on June 4, 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.*