# Learn About Gemstones vs Prep Circa

The clearest difference is in-app purchases: Prep Circa at none against Learn About Gemstones's 1. Learn About Gemstones's advantage is update cadence (every 3 weeks vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Learn About Gemstones sells 1 one-off in-app purchase. Prep Circa asks for nothing beyond the download.

Learn About Gemstones ships an update every 3 weeks, Prep Circa every 2 months. The most recent releases landed on October 3, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Learn About Gemstones | Prep Circa |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 40 MB | 155 MB |
| Requires iOS | 15.1 | **14.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Ghumman Tech LLC](https://appshunter.io/developer/1671347750) | [Dashur AI LLC](https://appshunter.io/developer/1742272567) |

## What reviewers say

### Learn About Gemstones

[App page](https://appshunter.io/ios/app/learn-about-gemstones/id6446815388)

This educational app helps users memorize and identify beautiful gemstones through study modes, quizzes, and audio pronunciation. It offers progress tracking and bookmarking features for an effective learning experience.

**Highlights:** Gemstone identification, Audio pronunciation (Text to Speech), Quizzes, Study Mode, Bookmarking, Progress tracking

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $9.99 | one-time |


### Prep Circa

[App page](https://appshunter.io/ios/app/prep-circa/id6499061920)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Learn About Gemstones free?

Learn About Gemstones is free to download, with in-app purchases available.

### Is Prep Circa free?

Prep Circa is free to download, with no in-app purchases.

### Do Learn About Gemstones or Prep Circa have ads?

Neither Learn About Gemstones nor Prep Circa shows ads.

### Which is updated more often, Learn About Gemstones or Prep Circa?

Learn About Gemstones ships an update every 3 weeks, and Prep Circa every 2 months. Most recently, Learn About Gemstones was updated on October 3, 2026 and Prep Circa on September 18, 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.*