# Diamond Tester vs ScanAI

The clearest difference is ads: Diamond Tester at none against ScanAI's shown. Diamond Tester also leads on update cadence (fortnightly vs every 3 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Diamond Tester sells 2 in-app purchases, starting at $7.99 per 7 days and ScanAI sells 3 in-app purchases, starting at $6.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Diamond Tester ships an update fortnightly, ScanAI every 3 months. The most recent releases landed on November 5, 2026 and November 1, 2026 respectively.

## The numbers

| Metric | Diamond Tester | ScanAI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (65 ratings)](https://appshunter.io/ios/app/diamond-tester/id6754944343/reviews)** | — |
| Number of ratings | **65** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Fortnightly** | Every 3 months |
| Monetization | Free with in-app purchases | — |
| Size | 12 MB | 19 MB |
| Requires iOS | **17.6** | 18.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Nicolas Gustavo Melian](https://appshunter.io/developer/1777868675) | [Artem Kutukov](https://appshunter.io/developer/1879046531) |

## What reviewers say

### Diamond Tester

[App page](https://appshunter.io/ios/app/diamond-tester/id6754944343)

Identify real diamonds, gems, and crystals with a photo. Get information on authenticity and estimated value. Organize your findings in a personal collection.

**Highlights:** Photo-based diamond identification, Authenticity verification, Estimated diamond value, Gem and crystal analysis, Personal collection organizer

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Plan | $7.99 | per 7 days |
| Yearly Plan | $24.99 | per year |


### ScanAI

[App page](https://appshunter.io/ios/app/scanai-pdf-and-document-scanner/id6759494672)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $6.99 | per 7 days |
| Annual Premium | $59.99 | per year |
| Premium Lifetime | $49.99 | one-time |


## Frequently asked questions

### Is Diamond Tester free?

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

### Is ScanAI free?

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

### Do Diamond Tester or ScanAI have ads?

ScanAI shows ads; Diamond Tester does not.

### Which is updated more often, Diamond Tester or ScanAI?

Diamond Tester ships an update fortnightly, and ScanAI every 3 months. Most recently, Diamond Tester was updated on November 5, 2026 and ScanAI on November 1, 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.*