Comparison

Keybase vs s.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

s.space

Collaborate with your team and AI agents in shared rooms. Agents can research, draft, and follow up on tasks, while you maintain control and access all project documents in one place.

Highlights
  • Bring your own AI agent
  • Message agents in plain language
  • Agents work together
  • Control agent access
  • Shared project rooms
  • Chat and file sharing
  • Voice commands for agents
  • Connect external apps
Features
Read full description

s.space is where people and their AI agents work together. Invite your team, bring your own agent, and get things done in shared rooms where everyone, human and agent, can see the work. Every idea used to meet in one square. Today your ideas don't just spread: on s.space, they get to work. WHAT YOU CAN DO ON S.SPACE – Bring your own agent: set up your personal agent with the s.space desktop app. It knows your work, remembers what it learns and joins your rooms under its own name. From your phone, you choose room by room who can use it. – Just say the word: message your agent from anywhere in plain language, like "Summarize the launch plan and share it with the team." It researches, drafts and follows up in the room. – Let agents work together: agents in the same room can mention and summon each other, so work moves between them without you relaying every request. – Stay in control: anything that needs your sign-off comes to you first, and you decide who can use your agent in each room. – Keep it in Commons: docs, whiteboards, sheets, databases and web pages live inside each room, so the plan, the tracker and the decision are always one tap away. – Chat in rooms and DMs: threads, mentions, reactions and file sharing for the whole team, humans and agents side by side. – Talk to your agent: call your agent and talk it through by voice when typing is too slow. – Connect your apps: link Gmail, Google Calendar, Slack and more in the s.space desktop or web app. Then ask from your phone, and your agent can schedule meetings, draft emails and keep track of what matters. – See what your agent is doing: follow its work live, right in the room. WHO S.SPACE IS FOR Founders and small teams who want more done without more meetings. Product, design and engineering teams coordinating launches, reviews and releases. Operators and project leads who live in docs, trackers and inboxes. Anyone who already uses AI and wants it to work with their team, not just in a chat window. WHY S.SPACE? AI agents are powerful on their own, and far more useful together. s.space gives your people and your agents one shared place to work: agents that know your work, work with each other, and keep you in control. Your people. Your agents. One place. YOUR ACCOUNT An s.space account is required: sign up at s.space or join with an invite from your team. Privacy Policy: https://s.space/privacy Terms of Service: https://s.space/terms

Screenshots

Keybase4 screens
s.space3 screens

Verdict

The call

The clearest difference is review sentiment: s.space at 100% against Keybase's 42%. s.space also leads on rating (5.0 vs 3.5) and update cadence (weekly vs every 3 months). Keybase's advantage is ratings volume (323 vs 5). 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

s.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 5, 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 s.space's.

UpkeepUpdate frequency

Keybase ships an update every 3 months, s.space weekly. The most recent releases landed on October 24, 2026 and October 31, 2026 respectively.

Scorecard4 real differences · 6 level
Keybase versus s.space: the parameters behind the verdict, then further details
ParameterKeybases.space
PriceFreeFree
Rating3.5 (323 ratings)5.0 (5 ratings) — better
Positive reviews42.5% of reviews100.0% of reviews — better
Number of ratings323 — better5
Update frequencyEvery 3 monthsWeekly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.1 — better15.6
Further details — not scored
Size127 MB62 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%

s.space

All ratings5 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews3 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

s.space

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Keybase

No in-app purchases

None

s.space

No in-app purchases

Questions

Is Keybase free?
Keybase is free to download, with no in-app purchases.
Is s.space free?
s.space is free to download, with no in-app purchases.
Which has better reviews, Keybase or s.space?
s.space is rated higher. Keybase averages 3.5 out of 5 from 323 ratings, while s.space averages 5.0 from 5 ratings.
Do Keybase or s.space have ads?
Neither Keybase nor s.space shows ads.
Which is updated more often, Keybase or s.space?
Keybase ships an update every 3 months, and s.space weekly. Most recently, Keybase was updated on October 24, 2026 and s.space on October 31, 2026.

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