# Phys.org vs Emergency Lerts

The clearest difference is update cadence: Emergency Lerts at every 3 weeks against Phys.org's every 5 weeks. Phys.org's advantage is iOS requirement (13.0 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Phys.org sells 1 in-app purchase, starting at $0.99 per month and Emergency Lerts sells 1 in-app purchase, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Phys.org ships an update every 5 weeks, Emergency Lerts every 3 weeks. The most recent releases landed on September 25, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | Phys.org | Emergency Lerts |
| --- | --- | --- |
| 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 | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 3 weeks** |
| Monetization | Freemium | — |
| Size | 7 MB | 38 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Omicron Tech Ltd](https://appshunter.io/developer/356443506) | [Lert Info Ltd](https://appshunter.io/developer/1635064504) |

## 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


### Emergency Lerts

[App page](https://appshunter.io/ios/app/emergency-lerts/id1635064502)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Access | $1.99 | per month |


## Frequently asked questions

### Is Phys.org free?

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

### Is Emergency Lerts free?

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

### Do Phys.org or Emergency Lerts have ads?

Neither Phys.org nor Emergency Lerts shows ads.

### Which is updated more often, Phys.org or Emergency Lerts?

Phys.org ships an update every 5 weeks, and Emergency Lerts every 3 weeks. Most recently, Phys.org was updated on September 25, 2026 and Emergency Lerts on September 12, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*