# Stopwatch Timer vs Diamond Identifier

The clearest difference is device support: Stopwatch Timer at 3 against Diamond Identifier's 1. Stopwatch Timer also leads on iOS requirement (12.0 vs 17). On price, ads and in-app purchases there is nothing between them.

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

## The numbers

| Metric | Stopwatch Timer | Diamond Identifier |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/diamond-identifier/id6761238835/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 days | — |
| Monetization | — | Free |
| Size | 43 MB | 3 MB |
| Requires iOS | **12.0** | 17 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [PIXOPLAY IT SERVICES PRIVATE LIMITED](https://appshunter.io/developer/842565895) | [Kawaii](https://appshunter.io/developer/1696001381) |

## What reviewers say

### Stopwatch Timer

[App page](https://appshunter.io/ios/app/stopwatch-timer-quicklap/id6744531430)

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

**In-app purchases:** none


### Diamond Identifier

[App page](https://appshunter.io/ios/app/diamond-identifier/id6761238835)

Instantly analyze gemstones by simply taking a photo. Get detailed insights into gem type, the 4Cs, light performance, estimated value, and origin. Save your scans to a personal collection and explore gems identified by a global community.

**Highlights:** AI-powered stone analysis, Type detection (natural, lab-grown, simulant), 4Cs estimation (carat, color, clarity, cut), Light performance analysis, Estimated value range, Origin and treatment detection, Personal gem collection, Community gem exploration

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

**In-app purchases:** none


## Frequently asked questions

### Is Stopwatch Timer free?

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

### Is Diamond Identifier free?

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

### Do Stopwatch Timer or Diamond Identifier have ads?

Neither Stopwatch Timer nor Diamond Identifier shows ads.

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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.*