# Photonics Spectra vs Tech Xplore

The clearest difference is rating: Photonics Spectra at 5.0 against Tech Xplore's 4.2. Photonics Spectra also leads on in-app purchases (none vs 1). Tech Xplore's advantage is update cadence (every 3 weeks vs every 10 months) and ratings volume (5 vs 1). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Tech Xplore sells 1 in-app purchase, starting at $0.99 per month. Photonics Spectra asks for nothing beyond the download.

Photonics Spectra holds the better App Store score, 5.0 against 4.2. That said, the two scores are not equally well evidenced: Tech Xplore has 5 ratings behind it against 1, so its average is the more settled of the two.

Photonics Spectra ships an update every 10 months, Tech Xplore every 3 weeks. The most recent releases landed on September 8, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Photonics Spectra | Tech Xplore |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/photonics-spectra/id657383359/reviews)** | [4.2 (5 ratings)](https://appshunter.io/ios/app/tech-xplore/id1154953172/reviews) |
| Number of ratings | 1 | **5** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 3 weeks** |
| Monetization | **Free** | Freemium |
| Size | 29 MB | 7 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Laurin Publishing Co., Inc.](https://appshunter.io/developer/657383362) | [Omicron Tech Ltd](https://appshunter.io/developer/356443506) |

## What reviewers say

### Photonics Spectra

[App page](https://appshunter.io/ios/app/photonics-spectra/id657383359)

Access the leading magazine for the photonics industry on your mobile device. Read articles in a convenient format, download PDF issues, and search through archives of past content. Stay informed about optics, lasers, imaging, and more.

**Highlights:** Mobile-friendly article reading, Downloadable PDF issues, Searchable archives, Comprehensive industry coverage, Technical and practical information

**Features:** macOS Compatibility

**In-app purchases:** none


### Tech Xplore

[App page](https://appshunter.io/ios/app/tech-xplore/id1154953172)

Stay updated with the latest in electronics and technology. Access a wide range of topics including IT, robotics, and green tech. A monthly subscription unlocks full content with a free trial week.

**Highlights:** Daily technology news updates, Covers IT, robotics, engineering, green tech, Full content subscription option, Free trial week, Cross-device access

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Tech Xplore Subscription | $0.99 | per month |


## Frequently asked questions

### Is Photonics Spectra free?

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

### Is Tech Xplore free?

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

### Which has better reviews, Photonics Spectra or Tech Xplore?

Photonics Spectra is rated higher. Photonics Spectra averages 5.0 out of 5 from 1 ratings, while Tech Xplore averages 4.2 from 5 ratings.

### Do Photonics Spectra or Tech Xplore have ads?

Neither Photonics Spectra nor Tech Xplore shows ads.

### Which is updated more often, Photonics Spectra or Tech Xplore?

Photonics Spectra ships an update every 10 months, and Tech Xplore every 3 weeks. Most recently, Photonics Spectra was updated on September 8, 2026 and Tech Xplore on September 10, 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.*