# AZoOptics vs Gems Detector

The clearest difference is in-app purchases: AZoOptics at none against Gems Detector's 3. AZoOptics also leads on iOS requirement (8.0 vs 12.0). Gems Detector's advantage is update cadence (every 2 months vs every 10 months). On price, ads and device support there is nothing between them.

Both are free to download. Gems Detector sells 3 in-app purchases, starting at $2.99 per month. AZoOptics asks for nothing beyond the download.

AZoOptics ships an update every 10 months, Gems Detector every 2 months. The most recent releases landed on November 1, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | AZoOptics | Gems Detector |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (5 ratings)](https://appshunter.io/ios/app/azooptics/id362496774/reviews)** | — |
| Number of ratings | **5** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 2 months** |
| Monetization | Free | — |
| Size | 6 MB | 76 MB |
| Requires iOS | **8.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [AZoNetwork](https://appshunter.io/developer/336360747) | [WINAPP LTD](https://appshunter.io/developer/1802355689) |

## What reviewers say

### AZoOptics

[App page](https://appshunter.io/ios/app/azooptics/id362496774)

This app provides a comprehensive resource for optics and photonics, offering news, supplier information, and equipment details. It's designed for professionals, students, and anyone interested in the field, making complex information easily accessible.

**Highlights:** Optics and Photonics news, Supplier directory, Equipment information, Latest industry updates, Easy access to information

**Features:** macOS Compatibility

**In-app purchases:** none


### Gems Detector

[App page](https://appshunter.io/ios/app/gems-detector/id6736705501)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly subscription | $2.99 | per month |
| 3 months subscription | $4.99 | per 3 months |
| Yearly subscription | $7.99 | per year |


## Frequently asked questions

### Is AZoOptics free?

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

### Is Gems Detector free?

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

### Do AZoOptics or Gems Detector have ads?

Neither AZoOptics nor Gems Detector shows ads.

### Which is updated more often, AZoOptics or Gems Detector?

AZoOptics ships an update every 10 months, and Gems Detector every 2 months. Most recently, AZoOptics was updated on November 1, 2026 and Gems Detector on November 8, 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.*