# DiamondMaster vs DiamondEyePro

The clearest difference is in-app purchases: DiamondEyePro at none against DiamondMaster's 4. DiamondEyePro also leads on review sentiment (100% vs 75%). DiamondMaster's advantage is update cadence (every 5 weeks vs every 4 months) and iOS requirement (11.0 vs 15.6). On price, 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. DiamondEyePro asks for nothing beyond the download.

DiamondMaster ships an update every 5 weeks, DiamondEyePro every 4 months. The most recent releases landed on September 19, 2026 and June 4, 2026 respectively.

## The numbers

| Metric | DiamondMaster | DiamondEyePro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (5 ratings)](https://appshunter.io/ios/app/diamondmaster/id447221419/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 75.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 4 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 35 MB | 71 MB |
| Requires iOS | **11.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Wayne Prentice](https://appshunter.io/developer/447221422) | [GemEx Systems](https://appshunter.io/developer/569632303) |

## 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

**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 |


### DiamondEyePro

[App page](https://appshunter.io/ios/app/diamondeyepro/id6479329165)

This app helps diamond dealers quickly identify and verify diamonds. It allows registration of diamonds and subsequent scanning to confirm authenticity. It can also check the condition of prongs on mounted diamonds.

**Highlights:** Diamond registration, Diamond scanning and verification, Prong condition check, Dealer-focused tool

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is DiamondMaster free?

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

### Is DiamondEyePro free?

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

### Do DiamondMaster or DiamondEyePro have ads?

Neither DiamondMaster nor DiamondEyePro shows ads.

### Which is updated more often, DiamondMaster or DiamondEyePro?

DiamondMaster ships an update every 5 weeks, and DiamondEyePro every 4 months. Most recently, DiamondMaster was updated on September 19, 2026 and DiamondEyePro on June 4, 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.*