Comparison

JoinU @Harvard 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

JoinU @Harvard

Features
Read full description

JoinU is a mobile app that helps build community at Harvard by connecting people around shared interests. Want to advertise a new event? Need activity partners? Explore new activities? Do this and more with JoinU.

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

JoinU @Harvard3 screens
s.space3 screens

Verdict

The call

The clearest difference is update cadence: s.space at weekly against JoinU @Harvard's monthly. JoinU @Harvard's advantage is iOS requirement (13.4 vs 15.6). 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.

UpkeepUpdate frequency

JoinU @Harvard ships an update monthly, s.space weekly. The most recent releases landed on October 27, 2026 and October 31, 2026 respectively.

Scorecard2 real differences · 8 level
JoinU @Harvard versus s.space: the parameters behind the verdict, then further details
ParameterJoinU @Harvards.space
PriceFreeFree
Rating—5.0 (5 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—5 — better
Update frequencyMonthlyWeekly — better
AdsNoNo
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.4 — better15.6
Further details — not scored
Size26 MB62 MB
Age rating4+9+
DeveloperHarvard UniversityAG2

In-app purchases

None

JoinU @Harvard

No in-app purchases

None

s.space

No in-app purchases

Questions

Is JoinU @Harvard free?
JoinU @Harvard is free to download, with no in-app purchases.
Is s.space free?
s.space is free to download, with no in-app purchases.
Do JoinU @Harvard or s.space have ads?
Neither JoinU @Harvard nor s.space shows ads.
Which is updated more often, JoinU @Harvard or s.space?
JoinU @Harvard ships an update monthly, and s.space weekly. Most recently, JoinU @Harvard was updated on October 27, 2026 and s.space on October 31, 2026.

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