# Rubrics ASM vs Stone Identifier

The clearest difference is price: Stone Identifier at Free against Rubrics ASM's $11.99. Stone Identifier also leads on device support (3 vs 1). Rubrics ASM's advantage is in-app purchases (none vs 5) and iOS requirement (9.0 vs 12.0). On review sentiment, update cadence and ads there is nothing between them.

Stone Identifier is free to download; Rubrics ASM costs $11.99 up front. Stone Identifier sells 5 in-app purchases, starting at $4.99 per 7 days. Rubrics ASM asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on November 2, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Rubrics ASM | Stone Identifier |
| --- | --- | --- |
| Price | $11.99 | **Free** |
| Rating | — | **[4.9 (54 ratings)](https://appshunter.io/ios/app/stone-identifier-gemalyze/id6738392969/reviews)** |
| Number of ratings | — | **54** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Paid | **Freemium** |
| Size | 11 MB | 58 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Mobile and Database Solutions](https://appshunter.io/developer/492595032) | [Picture Vision Studio LLC](https://appshunter.io/developer/1573119875) |

## What reviewers say

### Rubrics ASM

[App page](https://appshunter.io/ios/app/rubrics-asm/id1071321675)

This education assessment app helps teachers organize student grades and create reports. It supports creating classes, students, and rubrics, with options to download templates and generate report cards. It simplifies the grading process for educators.

**Highlights:** Organize student grades, Create classes, students, and rubrics, Generate report cards and various reports, Downloadable templates, Import students, classes, and rubrics, Link to cloud storage

**Features:** macOS Compatibility

**In-app purchases:** none


### Stone Identifier

[App page](https://appshunter.io/ios/app/stone-identifier-gemalyze/id6738392969)

Instantly identify gemstones, rocks, and minerals using your camera or photo library with advanced AI. Explore detailed information, learn about birthstones, and use a magnetic sensor to detect specific materials. An AI chat assistant provides deeper insights into your discoveries.

**Highlights:** Instant AI-powered identification, Detailed rock and mineral data, Birthstone information, AI chat assistance, Magnetic sensor for detection, User-friendly interface

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $4.99 | per 7 days |
| Premium | $24.99 | per year |
| Premium | $29.99 | per year |
| Premium | $39.99 | per year |
| Premium Lifetime | $49.99 | one-time |


## Frequently asked questions

### Is Rubrics ASM free?

Rubrics ASM costs $11.99, with no in-app purchases.

### Is Stone Identifier free?

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

### Do Rubrics ASM or Stone Identifier have ads?

Neither Rubrics ASM nor Stone Identifier shows ads.

### Which is updated more often, Rubrics ASM or Stone Identifier?

Rubrics ASM ships an update every 2 months, and Stone Identifier every 2 months. Most recently, Rubrics ASM was updated on November 2, 2026 and Stone Identifier on October 30, 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.*