# H/Comet Mobile vs Class surveyor

The clearest difference is update cadence: H/Comet Mobile at every 3 weeks against Class surveyor's every 7 months. H/Comet Mobile also leads on iOS requirement (9.2 vs 11.0). 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.

H/Comet Mobile ships an update every 3 weeks, Class surveyor every 7 months. The most recent releases landed on October 8, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | H/Comet Mobile | Class surveyor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/hcomet-mobile/id1138408392/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 7 months |
| Monetization | Free | — |
| Size | 58 MB | 58 MB |
| Requires iOS | **9.2** | 11.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Haverly Systems, Inc.](https://appshunter.io/developer/1125079838) | [OLEKSANDR IZERGIN](https://appshunter.io/developer/1678396126) |

## What reviewers say

### H/Comet Mobile

[App page](https://appshunter.io/ios/app/hcomet-mobile/id1138408392)

Access and manage crude assay data, slates, blends, and cut sets on the go. Search for assays, modify cut sets, and perform slate operations like comparisons and graphing. Analyze data with value/cut lookup tools.

**Highlights:** Access assay libraries, slates, blends, and cut sets, Search and view detailed assay data, Re-cut assays with H/CAMS technology, Create and modify cut sets, Access and modify existing or create new slates, Perform slate operations like cut comparisons and graphing, Access and modify existing or create new blends

**Features:** macOS Compatibility

**In-app purchases:** none


### Class surveyor

[App page](https://appshunter.io/ios/app/class-surveyor/id6450609017)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is H/Comet Mobile free?

H/Comet Mobile is free to download, with no in-app purchases.

### Is Class surveyor free?

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

### Do H/Comet Mobile or Class surveyor have ads?

Neither H/Comet Mobile nor Class surveyor shows ads.

### Which is updated more often, H/Comet Mobile or Class surveyor?

H/Comet Mobile ships an update every 3 weeks, and Class surveyor every 7 months. Most recently, H/Comet Mobile was updated on October 8, 2026 and Class surveyor on October 10, 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.*