# Diamond Tester vs Protractor, Level

Diamond Tester and Protractor, Level are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Diamond Tester sells 2 in-app purchases, starting at $2.99 per 7 days and Protractor, Level sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Diamond Tester ships an update every 9 days, Protractor, Level fortnightly. The most recent releases landed on October 28, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Diamond Tester | Protractor, Level |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (6 ratings)](https://appshunter.io/ios/app/diamond-tester-scan-ai/id6779668069/reviews)** | — |
| Number of ratings | **6** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 9 days** | Fortnightly |
| Monetization | Freemium | — |
| Size | 6 MB | 2 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Rudenko Andrii](https://appshunter.io/developer/1858246209) | [Streamlined Studios](https://appshunter.io/developer/1802378603) |

## What reviewers say

### Diamond Tester

[App page](https://appshunter.io/ios/app/diamond-tester-scan-ai/id6779668069)

Analyze diamonds and gemstones instantly with AI-powered image recognition. Get detailed insights into characteristics, quality, and estimated market position. Ideal for enthusiasts, collectors, and buyers seeking quick, informative assessments.

**Highlights:** AI Diamond Analysis, Authenticity Assessment, Quality Overview (4Cs), Confidence Score, Value Snapshot, AI Gem Chat

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Diamond Tester Premium | $2.99 | per 7 days |
| Diamond Tester Premium | $19.99 | per year |


### Protractor, Level

[App page](https://appshunter.io/ios/app/protractor-level-notch/id6795315730)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Notch Pro | $2.99 | one-time |


## Frequently asked questions

### Is Diamond Tester free?

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

### Is Protractor, Level free?

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

### Do Diamond Tester or Protractor, Level have ads?

Neither Diamond Tester nor Protractor, Level shows ads.

### Which is updated more often, Diamond Tester or Protractor, Level?

Diamond Tester ships an update every 9 days, and Protractor, Level fortnightly. Most recently, Diamond Tester was updated on October 28, 2026 and Protractor, Level on October 29, 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.*