# GemGuide Pricing vs Rap Calculator

The clearest difference is monetization model: Rap Calculator at free against GemGuide Pricing's subscription. Rap Calculator also leads on update cadence (every 3 months vs every 69 months) and iOS requirement (10.0 vs 13.0). On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 3.3 for GemGuide Pricing against 3.3 for Rap Calculator. Both are backed by a comparable volume of ratings — 6 and 4 respectively. Written reviews split almost evenly too, at 40% and 40% positive.

GemGuide Pricing ships an update every 69 months, Rap Calculator every 3 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | GemGuide Pricing | Rap Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.3 (6 ratings)](https://appshunter.io/ios/app/gemguide-pricing/id1206021506/reviews)** | [3.3 (4 ratings)](https://appshunter.io/ios/app/rap-calculator/id1390539004/reviews) |
| Number of ratings | **6** | 4 |
| Positive reviews | 40.0% of reviews | 40.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 69 months | **Every 3 months** |
| Monetization | Subscription | **Free** |
| Size | 9 MB | 32 MB |
| Requires iOS | 13.0 | **10.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Gemworld International, Inc.](https://appshunter.io/developer/1206021505) | [OOZEE TECHNOLOGIES](https://appshunter.io/developer/1017657067) |

## What reviewers say

### GemGuide Pricing

[App page](https://appshunter.io/ios/app/gemguide-pricing/id1206021506)

This app provides an independent, market-driven benchmark for wholesale pricing of gems and jewelry. Users can view individual stone prices in wholesale or retail and adjust markups. A subscription is required for full functionality.

**Highlights:** Wholesale gem pricing, Retail gem pricing, Individual stone price view, Markup control, Market-driven benchmark

**Features:** macOS Compatibility

**In-app purchases:** none


### Rap Calculator

[App page](https://appshunter.io/ios/app/rap-calculator/id1390539004)

Calculate the value of diamonds using live global pricing and customizable parameters like shape, color, clarity, and carat. Easily update the Rap price list with a single touch to determine diamond prices and broker discounts.

**Highlights:** Live global diamond pricing, Calculate value by shape, color, clarity, carat, One-touch Rap price list updates, Calculate broker discounts, Easy to use for buyers, manufacturers, sellers, brokers

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is GemGuide Pricing free?

GemGuide Pricing is free to download, with no in-app purchases.

### Is Rap Calculator free?

Rap Calculator is free to download, with no in-app purchases.

### Which has better reviews, GemGuide Pricing or Rap Calculator?

GemGuide Pricing is rated higher. GemGuide Pricing averages 3.3 out of 5 from 6 ratings, while Rap Calculator averages 3.3 from 4 ratings.

### Do GemGuide Pricing or Rap Calculator have ads?

Neither GemGuide Pricing nor Rap Calculator shows ads.

### Which is updated more often, GemGuide Pricing or Rap Calculator?

GemGuide Pricing ships an update every 69 months, and Rap Calculator every 3 months. Most recently, GemGuide Pricing was updated on October 24, 2026 and Rap Calculator on October 24, 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.*