Comparison

Groups.io App vs The Planetary Society

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

Head to head
About

Groups.io App

This app provides a modern platform for online communities with powerful management tools. It offers advanced features like hashtag organization, topic muting, and integrations with other services. Users can find, join, and manage groups, receiving real-time notifications.

Highlights
  • Advanced group management
  • Hashtag archive organization
  • Mute individual topics
  • Real-time push notifications
  • Integrated Chat, Calendar, Polls
  • Integrations with RSS, Trello, Github
  • Member synchronization with Slack
Features
Read full description

Groups.io is the next generation platform for online communities. We are a modern platform for serious communities. Powerful management tools. Mobile ready. No ads, no tracking. We have the most advanced features of any group system, including: - Better archive organization with hashtags - Mute individual topics and hashtags - Advanced group management - Powerful additional features, including Chat, Calendar, Polls, Databases, Wiki, Files and Photos - Additional integrations with RSS, Trello, and Github - Member synchronization with Slack This app lets you: - Find and subscribe to existing groups - Receive real time push notifications about activity in your groups - Create and manage your groups

About

The Planetary Society

Connect with a global community of space enthusiasts. Engage in discussions, attend exclusive events, and learn about new missions and discoveries. Share your passion for space exploration through astrophotography, art, and creative work.

Highlights
  • Connect with members
  • Learn about space missions
  • Attend exclusive events
  • Take online classes
  • Advocate for space exploration
  • Share astrophotography and art
  • Discuss sci-fi
Features
Read full description

The Planetary Society members-only online community is here! Download this app to connect, learn, and celebrate the joy of space exploration with other Planetary Society members. Connect with your fellow members as we: - Celebrate the big moments in space exploration history - Learn more about new missions and exciting discoveries - Attend exclusive weekly events - Take online classes - Advocate for more space exploration - Share astrophotography, art, and creative work - Chat about your favorite sci-fi books, movies, TV, games, and more! The Planetary Society is the world's largest community of space enthusiasts, started by famed astronomer Carl Sagan and today led by celebrated science educator Bill Nye. Together, we're on a mission to increase discoveries in our Solar System and beyond, elevate the search for life outside our planet, and decrease the risk of Earth being hit by an asteroid. We do all of this through advocacy, education outreach, scientific innovation, and global collaboration. Our member community app is taking our mission to advance space science and exploration to the next level, allowing our members from around the world to connect, collaborate, learn, and advocate for space exploration. Space is vast, and there's a lot of exploring to do! Everyone is welcome. Become a member of The Planetary Society, join our community, and take your place in space today. The Planetary Society is a registered 501(c)(3) nonprofit organization.

Screenshots

Groups.io App4 screens
The Planetary Society4 screens

Verdict

The call

The clearest difference is rating: The Planetary Society at 4.7 against Groups.io App's 3.0. The Planetary Society also leads on update cadence (weekly vs every 15 months) and review sentiment (48% vs 36%). Groups.io App's advantage is monetization model (free vs free with in-app purchases) and iOS requirement (15.0 vs 17.0). On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

The Planetary Society holds the better App Store score, 4.7 against 3.0. Both are backed by a comparable volume of ratings — 26 and 119 respectively. Written reviews point the same way: 36% of Groups.io App's written reviews are positive against 48% of The Planetary Society's.

UpkeepUpdate frequency

Groups.io App ships an update every 15 months, The Planetary Society weekly. Both last shipped on October 24, 2026.

Scorecard6 real differences · 4 level
Groups.io App versus The Planetary Society: the parameters behind the verdict, then further details
ParameterGroups.io AppThe Planetary Society
PriceFreeFree
Rating3.0 (26 ratings)4.7 (119 ratings) — better
Positive reviews36.0% of reviews47.8% of reviews — better
Number of ratings26119 — better
Update frequencyEvery 15 monthsWeekly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better17.0
Further details — not scored
Size29 MB130 MB
Age rating17+9+
DeveloperGroups.io, IncThe Planetary Society (Apps)

Customer experience

Groups.io App

All ratings26 ratings
Positive42.3%
Neutral11.5%
Negative46.2%
Written reviews25 reviews
Positive36.0%
Neutral12.0%
Negative52.0%

The Planetary Society

All ratings119 ratings
Positive92.4%
Neutral1.7%
Negative5.9%
Written reviews23 reviews
Positive47.8%
Neutral4.3%
Negative47.8%

In-app purchases

None

Groups.io App

No in-app purchases

None

The Planetary Society

No in-app purchases

Questions

Is Groups.io App free?
Groups.io App is free to download, with no in-app purchases.
Is The Planetary Society free?
The Planetary Society is free to download, with no in-app purchases.
Which has better reviews, Groups.io App or The Planetary Society?
The Planetary Society is rated higher. Groups.io App averages 3.0 out of 5 from 26 ratings, while The Planetary Society averages 4.7 from 119 ratings.
Do Groups.io App or The Planetary Society have ads?
Neither Groups.io App nor The Planetary Society shows ads.
Which is updated more often, Groups.io App or The Planetary Society?
Groups.io App ships an update every 15 months, and The Planetary Society weekly. Most recently, Groups.io App was updated on October 24, 2026 and The Planetary Society on October 24, 2026.

Other comparisons