Comparison

Keybase vs AG2 Space

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

Head to head
About

Keybase

Securely message anyone on social media or other platforms without needing their personal contact information. All communications are end-to-end encrypted and accessible across multiple devices. This open-source platform is free and ad-free for all users.

Highlights
  • Secure messaging to social media users
  • End-to-end encryption
  • Multi-device support
  • Open source
  • Ad-free
Features
Read full description

Keybase is a messaging platform where: • you can write securely to any twitter, reddit, facebook, github, and hacker news user • you don't need to know someone's phone number or email address • all messages are secure, end-to-end encrypted • multi-device: your messages survive and transfer with encryption to new phones & computers Keybase is so much more. It is: • free for everyone, and free of ads • open source (https://github.com/keybase/client) • multi-platform, w/apps for macOS, Linux, and Windows (https://keybase.io/download) By using the Keybase app you agree to the following terms: • you'll be a nice Internet person Keybase for mobile is brand new and we yearn for feedback. Inside the app, click the gear icon and then choose "feedback" to send us a summary of your experience.

About

AG2 Space

Secure team messaging with voice and video channels, plus AI agent collaboration. Built on the open Matrix protocol, it offers end-to-end encryption and privacy-focused push notifications. Supports multi-account usage for seamless team communication.

Highlights
  • Secure team messaging
  • Voice and video channels
  • AI agent collaboration
  • End-to-end encryption
  • Privacy-focused notifications
  • Multi-account support
Features
Read full description

AG2 Space is the mobile client for the AG2 Space platform: secure team messaging, voice and video channels, and collaboration with AI agents — built on the open Matrix protocol. FEATURES • One-to-one chats, group rooms and spaces • End-to-end encryption for private conversations • Photos, files, voice messages, reactions and replies • Work alongside AI agents in your rooms • Push notifications that never leak message content — only an event reference leaves the server • Multi-account support YOUR ACCOUNT AG2 Space connects to the ag2.space homeserver. An account is required — sign up with an invite or contact your workspace administrator. PRIVACY Messages in encrypted rooms are end-to-end encrypted; the server cannot read them. Push notifications carry no message content. See https://ag2.space/privacy for the full policy. AG2 Space is open source, based on FluffyChat and the Matrix protocol.

Screenshots

Keybase4 screens
AG2 Space3 screens

Verdict

The call

The clearest difference is review sentiment: AG2 Space at 100% against Keybase's 42%. AG2 Space also leads on rating (5.0 vs 3.5) and update cadence (every 5 days vs every 3 months). Keybase's advantage is ratings volume (323 vs 4). On price, ads, in-app purchases and monetization model 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

AG2 Space holds the better App Store score, 5.0 against 3.5. That said, the two scores are not equally well evidenced: Keybase has 323 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 42% of Keybase's written reviews are positive against 100% of AG2 Space's.

UpkeepUpdate frequency

Keybase ships an update every 3 months, AG2 Space every 5 days. Both last shipped on October 24, 2026.

Scorecard4 real differences · 6 level
Keybase versus AG2 Space: the parameters behind the verdict, then further details
ParameterKeybaseAG2 Space
PriceFreeFree
Rating3.5 (323 ratings)5.0 (4 ratings) — better
Positive reviews42.5% of reviews100.0% of reviews — better
Number of ratings323 — better4
Update frequencyEvery 3 monthsEvery 5 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.1 — better15.6
Further details — not scored
Size127 MB61 MB
Age rating4+9+
DeveloperKeybase, Inc.AG2

Customer experience

Keybase

All ratings320 ratings
Positive59.1%
Neutral8.4%
Negative32.5%
Written reviews106 reviews
Positive42.5%
Neutral12.3%
Negative45.3%

AG2 Space

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Keybase

Reported bugs

4 issues
  • Login screen freezes
  • Incompatible with older devices
  • Messaging issues and lost chats
  • Unreliable file sharing

Requested features

4 requests
  • Add iPad app support
  • Improve message threading and navigation
  • Integrate with more social platforms
  • Add password manager functionality

AG2 Space

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Keybase

No in-app purchases

None

AG2 Space

No in-app purchases

Questions

Is Keybase free?
Keybase is free to download, with no in-app purchases.
Is AG2 Space free?
AG2 Space is free to download, with no in-app purchases.
Which has better reviews, Keybase or AG2 Space?
AG2 Space is rated higher. Keybase averages 3.5 out of 5 from 323 ratings, while AG2 Space averages 5.0 from 4 ratings.
Do Keybase or AG2 Space have ads?
Neither Keybase nor AG2 Space shows ads.
Which is updated more often, Keybase or AG2 Space?
Keybase ships an update every 3 months, and AG2 Space every 5 days. Most recently, Keybase was updated on October 24, 2026 and AG2 Space on October 24, 2026.

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