Comparison

Flux vs PartnerUp

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

Head to head
About

Flux

Connect with like-minded students to find co-founders and build your startup. Swipe to discover compatible talent, chat instantly, and grow your team from idea to execution. Designed for entrepreneurial students seeking collaborators.

Highlights
  • Swipe-based matching
  • Smart filters and preferences
  • Instant chat and pitch space
  • Detailed user profiles
  • Team expansion tools
  • Secure and private connections
Features
Read full description

Flux helps aspiring founders and technical creators find the perfect cofounder or team — fast. Swipe to connect, chat instantly, and build your startup from idea to execution. Why Flux? Many students have bold startup ideas but lack the partner to bring them to life. Others have skills but no idea. Flux bridges that gap with a fast-paced matching experience tailored for entrepreneurial students. Key Features: • Swipe-based matching — quick and intuitive UX connects you to compatible founders / talent • Smart filters & preferences — filter by domain (tech, business, UI/UX, biotech, etc.), interests, availability • Chat & pitch space — once matched, start conversations, share ideas, validate chemistry • Profile details for relevance — show skills, projects, past work, idea interests • Team expansion tools — after finding a cofounder, grow your team by browsing additional matches • Secure & private — your personal contact is guarded until mutual interest Who should use Flux? • Business / entrepreneurship students seeking technical collaborators • Engineering, computer science, biotech students with skillsets and no idea-partner • Young teams wanting to grow their founding crew How It Works Create your profile within seconds: skills, idea interests, domain focus Swipe through potential cofounders / team members When there’s a mutual match, open chat and kick off a conversation Validate compatibility, discuss ideas, plan next steps Use the app to keep expanding your team Why It Works • Speed + discovery — faster than cold outreach, better than general social media • Quality matches — only matches where both sides express interest • Designed for founders — your network, pace, ideas all matter

About

PartnerUp

Find co-founders and collaborators with a curated matching system. Access tools for company formation, including legal templates and financial calculators. An AI assistant helps draft business plans and identify team gaps.

Highlights
  • Co-founder matching
  • AI business assistant
  • Equity and cap table calculators
  • Legal templates
  • Role and decision maps
  • Private chat with connections
Features
Read full description

PartnerUp helps you find co-founders and collaborators, not just another networking contact. Browse serious builders, connect only when it's mutual, then get the tools to actually start the company. Co-founder matching plus a real founder toolkit, in one app. Whether you want to co-found, join an early venture, or collaborate on something new, PartnerUp connects you with people who actually fit. It is calm, curated and intentional. Never an endless feed. HOW IT WORKS Build a real profile, browse founders & collaborators who match what you bring and what you seek, and reach out with a nudge. When it is mutual, you connect and start the conversation. DISCOVER THE RIGHT PEOPLE • A hand-picked co-founder match each day, chosen for how you fit • Browse an open directory of serious founders and partners • Search by skill, intent, and industry • Profiles with substance: what they offer, what they seek, proof of work, and a short pitch video CONNECT WITH INTENT • Nudge someone to start a conversation, and connect only when it is mutual • Private one to one chat with your connections • Built-in conversation starters so you always know what to ask • Save promising people to a private shortlist THE CO-FOUNDER TOOLKIT Everything for the practical side of starting up together: • Equity, vesting, dilution, cap table, and runway calculators • Role and decision maps to agree who owns what • Conversation checklists for the talks that matter • Professionally vetted legal templates you can fill in and export, including NDAs and founder agreements • Plain-language guides to founding well • Share guides and tool results right inside your chats • Digitally sign contracts between you and your connections GROW YOUR BUSINESS WITH PARADIGM AI Paradigm is the AI in PartnerUp Pro. It learns your business through a short interview and your own documents, such as your website or pitch deck, then helps you grow it: • Answers your questions about running the business, from pricing to fundraising, based on what it knows • Drafts business plans, pitch decks and agreements that fit your business, ready to edit, export as a PDF or send for signature • Turns what it knows into a 30, 60 and 90 day plan you can tick off as you go • Checks in every week, so everything it writes stays current • Spots the gaps in your team and suggests PartnerUp members with the skills to fill them GO FURTHER WITH PRO • Custom alerts that ping you when matching people join • Advanced directory filters by stage, commitment, capital, and location • Unlimited shortlist • See who shortlisted you and who viewed your profile • More nudges, plus a personal note when you reach out Free to browse. Upgrade to PartnerUp Pro anytime. Co-found and collaborate. PartnerUp Pro is an auto-renewable subscription. Payment is charged to your Apple Account, and it renews automatically unless cancelled at least 24 hours before the end of the current period. Manage or cancel anytime in your Apple Account settings. Terms of Use: https://partner-up.app/terms Privacy Policy: https://partner-up.app/privacy

Screenshots

Flux4 screens
PartnerUp4 screens

Verdict

The call

The clearest difference is in-app purchases: Flux at none against PartnerUp's 6. PartnerUp's advantage is iOS requirement (16.4 vs 18.0). On price, rating, review sentiment and ratings volume 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. PartnerUp sells 6 in-app purchases, starting at $6.99 per month. Flux asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

PartnerUp holds the better App Store score, 5.0 against 4.8. Both are backed by a comparable volume of ratings — 6 and 4 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

UpkeepUpdate frequency

Flux ships an update every 9 days, PartnerUp every 6 days. The most recent releases landed on November 8, 2026 and November 5, 2026 respectively.

Scorecard3 real differences · 7 level
Flux versus PartnerUp: the parameters behind the verdict, then further details
ParameterFluxPartnerUp
PriceFreeFree
Rating4.8 (6 ratings)5.0 (4 ratings) — better
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings6 — better4
Update frequencyEvery 9 daysEvery 6 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad — betteriPhone
Requires iOS18.016.4 — better
Further details — not scored
Size26 MB106 MB
Age rating12+4+
DeveloperRehatbir SinghTRULY INC LIMITED

Customer experience

Flux

All ratings6 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews5 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

PartnerUp

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews4 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Flux

No in-app purchases

6 purchases

PartnerUp

Subscriptions6
  • Pro Monthly: AI and Toolkit3 Days trial$6.991 Month
  • Pro Monthly: AI and Toolkit1 Month trial$6.991 Month
  • Pro 3 Months: AI and Toolkit3 Days trial$19.993 Months
Show 3 more
  • Pro 3 Months: AI and Toolkit3 Months trial$19.993 Months
  • Pro Yearly: AI and Toolkit3 Days trial$69.991 Year
  • Pro Yearly: AI and Toolkit1 Year trial$69.991 Year

Questions

Is Flux free?
Flux is free to download, with no in-app purchases.
Is PartnerUp free?
PartnerUp is free to download, with in-app purchases available.
Which has better reviews, Flux or PartnerUp?
PartnerUp is rated higher. Flux averages 4.8 out of 5 from 6 ratings, while PartnerUp averages 5.0 from 4 ratings.
Do Flux or PartnerUp have ads?
Neither Flux nor PartnerUp shows ads.
Which is updated more often, Flux or PartnerUp?
Flux ships an update every 9 days, and PartnerUp every 6 days. Most recently, Flux was updated on November 8, 2026 and PartnerUp on November 5, 2026.

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