# CARATRATE vs Stone Search

The clearest difference is update cadence: Stone Search at every 4 weeks against CARATRATE's every 3 months. On price, ads, in-app purchases and device support there is nothing between them.

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

CARATRATE ships an update every 3 months, Stone Search every 4 weeks. The most recent releases landed on November 2, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | CARATRATE | Stone Search |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/caratrate/id1409714486/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 4 weeks** |
| Monetization | Free | — |
| Size | 23 MB | 49 MB |
| Requires iOS | **15.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Dia Analytics LLP](https://appshunter.io/developer/1409714485) | [Nikhil Shah](https://appshunter.io/developer/1658983744) |

## What reviewers say

### 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, Vision Pro support

**In-app purchases:** none


### Stone Search

[App page](https://appshunter.io/ios/app/stone-search/id6449032488)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CARATRATE free?

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

### Is Stone Search free?

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

### Do CARATRATE or Stone Search have ads?

Neither CARATRATE nor Stone Search shows ads.

### Which is updated more often, CARATRATE or Stone Search?

CARATRATE ships an update every 3 months, and Stone Search every 4 weeks. Most recently, CARATRATE was updated on November 2, 2026 and Stone Search on October 27, 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.*