# Rock Identifier App vs HiTag Research

The clearest difference is review sentiment: HiTag Research at 100% against Rock Identifier App's 22%. HiTag Research also leads on rating (5.0 vs 2.1) and in-app purchases (none vs 3). Rock Identifier App's advantage is ratings volume (10 vs 1). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Rock Identifier App sells 3 in-app purchases, starting at $5.99 per month. HiTag Research asks for nothing beyond the download.

HiTag Research holds the better App Store score, 5.0 against 2.1. That said, the two scores are not equally well evidenced: Rock Identifier App has 10 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 22% of Rock Identifier App's written reviews are positive against 100% of HiTag Research's.

## The numbers

| Metric | Rock Identifier App | HiTag Research |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.1 (10 ratings)](https://appshunter.io/ios/app/rock-identifier-app/id1604172315/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/hitag-research/id6742428562/reviews)** |
| Number of ratings | **10** | 1 |
| Positive reviews | 22.2% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | — |
| Monetization | Free with in-app purchases | **Free** |
| Size | 46 MB | 20 MB |
| Requires iOS | **13.0** | 13.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shreyaskumar Patel](https://appshunter.io/developer/1599209768) | [Tuna2Oceans LLC](https://appshunter.io/developer/1798345267) |

## What reviewers say

### Rock Identifier App

[App page](https://appshunter.io/ios/app/rock-identifier-app/id1604172315)

Identify rocks and minerals instantly by taking a photo. Explore geological information, build a personal collection, and learn about earth science. This app offers a comprehensive guide to stones and crystals, aiding in geological exploration and documentation.

**Highlights:** Instant rock identification via photo, Build and manage a personal stone collection, Detailed geological information, Learn about earth, fossils, and crystals, Record geological observations, Comprehensive crystal and rock guide

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium Access | $5.99 | per month |
| Yearly Premium Access | $9.99 | per year |
| Life Time Access | $12.99 | one-time |


### HiTag Research

[App page](https://appshunter.io/ios/app/hitag-research/id6742428562)

Citizen scientists can contribute to marine research by reporting tagged fish they re-catch. Record tag IDs, photos, species, length, and location to help scientists track fish populations.

**Highlights:** Record tag ID (manual or RFID scan), Upload fish photos, Log species and fork length, Capture GPS location, Automatic date and time stamp

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Rock Identifier App free?

Rock Identifier App is free to download, with in-app purchases available.

### Is HiTag Research free?

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

### Which has better reviews, Rock Identifier App or HiTag Research?

HiTag Research is rated higher. Rock Identifier App averages 2.1 out of 5 from 10 ratings, while HiTag Research averages 5.0 from 1 ratings.

### Do Rock Identifier App or HiTag Research have ads?

Rock Identifier App shows ads; HiTag Research does not.

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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.*