# Gemology Notes vs PhysicsBench

The clearest difference is in-app purchases: Gemology Notes at none against PhysicsBench's 4. On price, review sentiment, update cadence and ads there is nothing between them.

Both are free to download. PhysicsBench sells 4 one-off in-app purchases. Gemology Notes asks for nothing beyond the download.

Gemology Notes ships an update every 4 days, PhysicsBench every 2 days. The most recent releases landed on October 11, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Gemology Notes | PhysicsBench |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/physicsbench-circuit-puzzle/id6813391010/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 days | **Every 2 days** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 31 MB | 10 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [际 郭](https://appshunter.io/developer/6797282134) | [献慧 陈](https://appshunter.io/developer/1896370005) |

## What reviewers say

### Gemology Notes

[App page](https://appshunter.io/ios/app/gemology-notes/id6797660418)

An offline reference app for gemology students and professionals. Explore gemstone properties, crystal structures with interactive 3D models, and detailed identification points. Study gemology anywhere without an internet connection.

**Highlights:** Gemstone Browser, 3D Crystal Models, Detailed Gemstone Notes, Offline Access, Systematic Classification

**Features:** Vision Pro support

**In-app purchases:** none


### PhysicsBench

[App page](https://appshunter.io/ios/app/physicsbench-circuit-puzzle/id6813391010)

Engage with realistic physics simulations, from electrical circuits to light optics and mechanics. Solve puzzles, understand the underlying formulas with Principle Cards, and track your progress through various subjects and difficulties. Offers offline play and a robust Pro version for advanced features.

**Highlights:** Realistic physics simulations, Principle Cards with formulas, 108 levels across 7 subjects, Daily experiments and streaks, Offline play, Level editor, Pro version with advanced features

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Intro Answers | $0.99 | one-time |
| Core Answers | $1.99 | one-time |
| Brainer Answers | $2.99 | one-time |
| Pro Lifetime | $4.99 | one-time |


## Frequently asked questions

### Is Gemology Notes free?

Gemology Notes is free to download, with no in-app purchases.

### Is PhysicsBench free?

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

### Do Gemology Notes or PhysicsBench have ads?

Neither Gemology Notes nor PhysicsBench shows ads.

### Which is updated more often, Gemology Notes or PhysicsBench?

Gemology Notes ships an update every 4 days, and PhysicsBench every 2 days. Most recently, Gemology Notes was updated on October 11, 2026 and PhysicsBench on October 12, 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.*