# iDiamonds vs CARATRATE

The clearest difference is in-app purchases: CARATRATE at none against iDiamonds's 1. CARATRATE also leads on review sentiment (100% vs 68%). iDiamonds's advantage is iOS requirement (8.0 vs 12.1). On price, rating, ratings volume and update cadence there is nothing between them.

Both are free to download. iDiamonds sells 1 in-app purchase, starting at $9.99 per month. CARATRATE asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for iDiamonds against 5.0 for CARATRATE. Both are backed by a comparable volume of ratings — 1 and 2 respectively. Written reviews are what separate them: 68% of iDiamonds's written reviews are positive against 100% of CARATRATE's.

iDiamonds ships an update every 4 months, CARATRATE every 2 months. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | iDiamonds | CARATRATE |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/idiamonds/id301382577/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/caratrate/id1409714486/reviews) |
| Number of ratings | 1 | **2** |
| Positive reviews | 68.4% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 13 MB | 31 MB |
| Requires iOS | **8.0** | 12.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Roei Kashi Production](https://appshunter.io/developer/301382580) | [Dia Analytics LLP](https://appshunter.io/developer/1409714485) |

## What reviewers say

### iDiamonds

[App page](https://appshunter.io/ios/app/idiamonds/id301382577)

This app provides diamond professionals with quick access to Rapaport diamond prices. It features tools for calculating prices, downloading certificates, and generating reports, all without intrusive ads.

**Highlights:** Access Rapaport diamond prices, Color, clarity, shape, size picker, One-click GIA/HRD/IGI certificate download, Auction calculator with multi-tier support, Carat and percentage input for price calculation, Report and invoice generation, Currency converter

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| iDiamonds Monthly Subscription | $9.99 | per month |


### CARATRATE

[App page](https://appshunter.io/ios/app/caratrate/id1409714486)

This app simplifies the complex valuation of natural diamonds. It provides users with pricing information to assist in buying or selling diamonds, aiming to make the process straightforward for even experienced traders.

**Highlights:** Diamond valuation, Diamond pricing, Natural diamond focus, Buying/selling assistance, Simple interface

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is iDiamonds free?

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

### Is CARATRATE free?

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

### Which has better reviews, iDiamonds or CARATRATE?

iDiamonds and CARATRATE are both rated 5.0 out of 5 on the App Store, from 1 and 2 ratings respectively.

### Do iDiamonds or CARATRATE have ads?

Neither iDiamonds nor CARATRATE shows ads.

### Which is updated more often, iDiamonds or CARATRATE?

iDiamonds ships an update every 4 months, and CARATRATE every 2 months. Most recently, iDiamonds was updated on October 23, 2026 and CARATRATE 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.*