# DiamondMaster vs RAP Value Lite

The clearest difference is in-app purchases: RAP Value Lite at none against DiamondMaster's 4. RAP Value Lite also leads on review sentiment (100% vs 75%) and iOS requirement (9.0 vs 16.4). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. DiamondMaster sells 4 in-app purchases, starting at $6.99 per 7 days. RAP Value Lite asks for nothing beyond the download.

DiamondMaster ships an update every 5 weeks, RAP Value Lite every 6 weeks. The most recent releases landed on October 23, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | DiamondMaster | RAP Value Lite |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/rap-value-lite/id1158588470/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | 75.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 6 weeks |
| Monetization | Free with in-app purchases | **Free** |
| Size | 23 MB | 26 MB |
| Requires iOS | 16.4 | **9.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Wayne D. Prentice, G.G.](https://appshunter.io/developer/447221422) | [Dipen Shah](https://appshunter.io/developer/1158588469) |

## What reviewers say

### DiamondMaster

[App page](https://appshunter.io/ios/app/diamondmaster/id447221419)

This app provides wholesale diamond pricing and market analysis for professionals. It compares mined and lab-grown diamonds across multiple grading systems and currencies, offering insights into value appreciation and depreciation.

**Highlights:** Compares mined and lab-grown diamonds, Wholesale value comparisons, 13 mediums of exchange and 8 C's, 4 grading systems displayed simultaneously, Dimension guidelines for shapes and carat weights, Tracks value appreciation/depreciation, Global price adjuster

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Wholesale "Bright List" 1 wk. | $6.99 | per 7 days |
| Wholesale "Bright List" 1 mo. | $24.99 | per month |
| Wholesale "Bright List" 6 mo. | $109.99 | per 6 months |
| Wholesale "Bright List" 1 yr. | $199.99 | per year |


### RAP Value Lite

[App page](https://appshunter.io/ios/app/rap-value-lite/id1158588470)

This app assists diamond professionals by calculating diamond value based on Rapaport prices. It offers features like price updates, inventory access, and discount calculations for buyers, manufacturers, sellers, and brokers.

**Highlights:** Calculates diamond value, Updates Rapaport prices, Provides live inventory, Calculates Less1 and Less2 amounts, Compares diamonds with recut feature, Calculates affected discounts

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is DiamondMaster free?

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

### Is RAP Value Lite free?

RAP Value Lite is free to download, with no in-app purchases.

### Do DiamondMaster or RAP Value Lite have ads?

Neither DiamondMaster nor RAP Value Lite shows ads.

### Which is updated more often, DiamondMaster or RAP Value Lite?

DiamondMaster ships an update every 5 weeks, and RAP Value Lite every 6 weeks. Most recently, DiamondMaster was updated on October 23, 2026 and RAP Value Lite on October 14, 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.*