Comparison

Phys.org vs Environmental Observer

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Phys.org

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
Read full description

Daily spotlight science and technology news stories from Phys.org. This includes stories in the fields of physics, nanotechnology, electronics, space and earth sciences, biology, chemistry, computer sciences, engineering, mathematics, etc. Readers may bookmark and share favorite stories from the app. The Phys.org app is ads-free. Free app content is limited to selected spotlight stories. Access to Phys.org's full content is available with the monthly subscription plan for just $0.99. Your first subscription week is free. Monthly subscription options: - Unlimited digital access on any device for $0.99 per month. You will be charged in your local currency at the prevailing exchange rate as defined by App Store. - The app offers 7 days trial. At the end of the free trial period, the full price of the subscription will be charged thereafter. Cancellations must occur 24 hours before the end of the subscription period to avoid being charged. - Payment will be charged to iTunes Account at confirmation of purchase. - Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period. - Account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal. - Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase. - No cancellation of the current subscription is allowed during active subscription period. Privacy policy can be found at http://sciencex.com/help/privacy/ Terms of use: https://sciencex.com/help/terms/ Feedback and comments: https://sciencex.com/help/feedback/

About

Environmental Observer

Features
Read full description

Environmental Observer is your mobile gateway to real-world eco-stories, community action and global impact. With this app you can: • Browse curated environmental news and reports from communities worldwide (powered by EnvironmentalObserver.com) • Submit your own observations — wildlife sightings, landscape changes, pollution events, habitat restoration in progress • Upload photos/videos and geotag your entries for local mapping and global sharing • Follow topics you care about — climate change, conservation, clean energy, biodiversity • Receive alerts/custom feeds when new posts arrive in your network or region • Save, bookmark and share your favourite stories across social media Environmental Observer empowers you to become an informed citizen scientist and share your voice in the movement for a healthier planet. Join the community today!

Screenshots

Phys.org4 screens
Environmental Observer3 screens

Verdict

The call

The clearest difference is in-app purchases: Environmental Observer at none against Phys.org's 1. Environmental Observer also leads on update cadence (weekly vs every 5 weeks). Phys.org's advantage is iOS requirement (13.0 vs 15.1). On price, ads and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

Phys.org ships an update every 5 weeks, Environmental Observer weekly. The most recent releases landed on October 29, 2026 and October 25, 2026 respectively.

Scorecard3 real differences · 7 level
Phys.org versus Environmental Observer: the parameters behind the verdict, then further details
ParameterPhys.orgEnvironmental Observer
PriceFreeFree
Rating2.8 (70 ratings) — better—
Positive reviews18.5% of reviews—
Number of ratings70 — better—
Update frequencyEvery 5 weeksWeekly — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemium—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 — better15.1
Further details — not scored
Size7 MB31 MB
Age rating17+4+
DeveloperOmicron Tech LtdUCPM

Bugs and requests

Phys.org

Reported bugs

14 issues
  • App crashes when trying to view saved articles
  • App crashes on startup
  • App crashes after iOS updates
  • Login issues
  • Subscription not working
Show 9 more
  • Blank screen for content
  • Flickering articles
  • SSL errors
  • Favorites bug (crashes when accessing)
  • Tech feed not working
  • Dark blue hyperlinks unreadable in dark mode
  • Side swipe gesture reloads article
  • Orientation change reloads article and loses scroll position
  • No data connection error

Requested features

10 requests
  • Add search functionality
  • Sync ScienceX account for saved articles
  • Improve dark mode readability
  • Add Stage Manager support for iPadOS
  • Add Apple Watch compatibility
Show 5 more
  • Consolidate updates into an 'All' tab
  • Allow offline reading of more than a few articles
  • Add audio narration or video summaries
  • Allow toggling light/dark mode independently of OS
  • Filter articles by specific science subjects

Environmental Observer

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

Phys.org

Subscriptions1
  • All access$0.991 Month
None

Environmental Observer

No in-app purchases

Questions

Is Phys.org free?
Phys.org is free to download, with in-app purchases available.
Is Environmental Observer free?
Environmental Observer is free to download, with no in-app purchases.
Do Phys.org or Environmental Observer have ads?
Neither Phys.org nor Environmental Observer shows ads.
Which is updated more often, Phys.org or Environmental Observer?
Phys.org ships an update every 5 weeks, and Environmental Observer weekly. Most recently, Phys.org was updated on October 29, 2026 and Environmental Observer on October 25, 2026.

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