# Phys.org vs Vision Spectra

The clearest difference is in-app purchases: Vision Spectra at none against Phys.org's 1. Phys.org's advantage is update cadence (every 5 weeks vs every 34 months). On price, ads, device support and iOS requirement there is nothing between them.

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

Phys.org ships an update every 5 weeks, Vision Spectra every 34 months. The most recent releases landed on September 25, 2026 and June 11, 2026 respectively.

## The numbers

| Metric | Phys.org | Vision Spectra |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.8 (70 ratings)](https://appshunter.io/ios/app/physorg/id356443503/reviews)** | — |
| Number of ratings | **70** | — |
| Positive reviews | 18.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 34 months |
| Monetization | Freemium | — |
| Size | 7 MB | 35 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Omicron Tech Ltd](https://appshunter.io/developer/356443506) | [Laurin Publishing Co., Inc.](https://appshunter.io/developer/657383362) |

## What reviewers say

### Phys.org

[App page](https://appshunter.io/ios/app/physorg/id356443503)

Stay updated with daily science and technology news across various fields like physics, space, biology, and engineering. Bookmark and share articles easily. Access a selection of spotlight stories for free, with an option to subscribe for unlimited content.

**Highlights:** Daily science and technology news, Covers physics, space, biology, engineering, and more, Bookmark favorite stories, Share articles, Ads-free experience, Free spotlight stories

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| All access | $0.99 | per month |

**What reviewers like**

- 👍 Great content source
- 👍 Informative articles
- 👍 Smooth experience (sometimes)
- 👍 No ads (in some contexts)
- 👍 Well-formatted content

**What reviewers complain about**

- 🐛 Frequent crashes when accessing saved articles
- 🐛 App crashes on startup
- 🐛 Unreadable text/links in dark mode
- 🐛 Flickering articles
- 🐛 Login issues

**Reported bugs**

- App crashes when trying to view saved articles
- App crashes on startup
- App crashes after iOS updates
- Login issues
- Subscription not working

**Requested features**

- Add search functionality
- Sync ScienceX account for saved articles
- Improve dark mode readability
- Add Stage Manager support for iPadOS
- Add Apple Watch compatibility


### Vision Spectra

[App page](https://appshunter.io/ios/app/vision-spectra/id1467199901)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Phys.org free?

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

### Is Vision Spectra free?

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

### Do Phys.org or Vision Spectra have ads?

Neither Phys.org nor Vision Spectra shows ads.

### Which is updated more often, Phys.org or Vision Spectra?

Phys.org ships an update every 5 weeks, and Vision Spectra every 34 months. Most recently, Phys.org was updated on September 25, 2026 and Vision Spectra on June 11, 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.*