# Rock Identifier vs Arrowhead ID

The clearest difference is rating: Rock Identifier at 4.5 against Arrowhead ID's 3.0. Rock Identifier also leads on update cadence (every 9 days vs every 4 months) and ratings volume (235 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Rock Identifier sells 3 in-app purchases, starting at $6.99 per 7 days and Arrowhead ID sells 2 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Rock Identifier holds the better App Store score, 4.5 against 3.0. That said, the two scores are not equally well evidenced: Rock Identifier has 235 ratings behind it against 1, so its average is the more settled of the two.

Rock Identifier ships an update every 9 days, Arrowhead ID every 4 months. The most recent releases landed on November 10, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Rock Identifier | Arrowhead ID |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (235 ratings)](https://appshunter.io/ios/app/rock-identifier-gem-value/id6752249234/reviews)** | [3.0 (1 ratings)](https://appshunter.io/ios/app/arrowhead-id-stone-and-value/id6758676252/reviews) |
| Number of ratings | **235** | 1 |
| Positive reviews | 70.6% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 4 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 52 MB | 42 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [nurten cay](https://appshunter.io/developer/1835928050) | [Deisy Renteria](https://appshunter.io/developer/1579364093) |

## What reviewers say

### Rock Identifier

[App page](https://appshunter.io/ios/app/rock-identifier-gem-value/id6752249234)

Identify rocks, minerals, crystals, and gemstones instantly with a photo. Get detailed information on properties, hardness, and value. Learn to distinguish authentic stones from imitations.

**Highlights:** Instant rock, mineral, crystal & gemstone identification, Detailed stone information (name, hardness, properties), Estimated gemstone value ranges & rarity insights, Authenticity indicators for imitations/treatments, Compare similar stones, Save favorites and build a collection

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| rock_weekly | $6.99 | per 7 days |
| rock_yearly | $39.99 | per year |
| rock_yearly_free_trial | $49.99 | per year |


### Arrowhead ID

[App page](https://appshunter.io/ios/app/arrowhead-id-stone-and-value/id6758676252)

Identify projectile points and ancient stone tools with AI. Get instant insights into type, material, age, region, and estimated market value. Build and track your artifact collection.

**Highlights:** Instant artifact identification, Value estimation, Age and region dating, Build digital collection, Share discoveries

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium Subscription | $4.99 | per 7 days |
| Annual Premium Subscription | $29.99 | per year |


## Frequently asked questions

### Is Rock Identifier free?

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

### Is Arrowhead ID free?

Arrowhead ID is free to download, with in-app purchases available.

### Which has better reviews, Rock Identifier or Arrowhead ID?

Rock Identifier is rated higher. Rock Identifier averages 4.5 out of 5 from 235 ratings, while Arrowhead ID averages 3.0 from 1 ratings.

### Do Rock Identifier or Arrowhead ID have ads?

Neither Rock Identifier nor Arrowhead ID shows ads.

### Which is updated more often, Rock Identifier or Arrowhead ID?

Rock Identifier ships an update every 9 days, and Arrowhead ID every 4 months. Most recently, Rock Identifier was updated on November 10, 2026 and Arrowhead ID on October 31, 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.*