VFlux Poll vs Slido vs Mentimeter

Live audience polling and quizzing, compared · July 2026

The short version. Slido and Mentimeter are polished commercial platforms built primarily for corporate meetings and conference presentations, and their real strength is how deeply they plug into PowerPoint, Google Slides, Zoom and Teams. VFlux Poll is a free, self-hosted alternative built around quizzing and training — with a game-show mode, a proper scoring engine, and the ability to build a whole quiz automatically from a document you already have. On integrations and polish the commercial tools lead; on quiz depth, cost and data control, VFlux Poll does.

1. Where VFlux Poll is genuinely ahead

🎬 Game-show quiz mode NOT IN SLIDO / MENTIMETER

A full KBC-style presentation experience — hexagon answer tiles, a golden countdown timer, lock-in animation, suspense and reveal, with a purpose-built sound engine (question, tick, time-up, lock, fanfare). For training sessions, school and college events, and staff engagement this changes the room completely. Neither competitor offers anything comparable; their quiz modes are functional but plain.

📄 Build a quiz from a document you already have STRONGER

Upload an Excel, CSV, Word or PDF file and VFlux Poll reads it and creates the questions automatically — including options, correct answers and per-question time limits. Trainers usually already have the question bank in a document; this removes the retyping entirely. Slido and Mentimeter offer only limited spreadsheet import.

🏆 A real quiz engine STRONGER

Speed bonus scoring (faster correct answers score higher), configurable number of winners, a live leaderboard, and a shuffle mode that randomises question order per participant — so people sitting together cannot copy. That last feature matters for genuine assessment and neither competitor provides it.

💰 Free, with no participant or question caps DISTINCTIVE

Slido and Mentimeter both restrict their free tiers — on question counts, participant numbers or features — and charge per presenter for anything serious. VFlux Poll is free and self-hosted, so a whole department can run sessions without a licence conversation.

🖼 Images and video in questions PARITY

Attach a picture to any question — compressed automatically so it loads fast on phones — or paste a YouTube or Vimeo link and the video plays inline on both the big screen and every participant's device. Useful for image-based quizzes, clinical or field photographs, and short clips followed by a question.

🔒 Your data stays on your server DISTINCTIVE

Responses live in your own database on your own infrastructure. For government departments and institutions with data-residency rules, this is often the deciding factor rather than a nice-to-have.

2. Feature-by-feature

Question and interaction types

Type	VFlux Poll	Slido	Mentimeter	Notes
Multiple choice poll	Yes	Yes	Yes
Quiz with correct answers	Yes	Yes	Yes
Word cloud	Yes	Yes	Yes
Rating	Yes	Yes	Yes
Scale / Likert	Yes	Yes	Yes
Ranking	Yes	Yes	Yes
Open text	Yes	Yes	Yes
Audience Q&A with upvoting	Yes	Best in class	Yes	Q&A is Slido's original strength
Q&A moderation queue	Yes	Yes	Yes	Toggle approval on; questions wait for the presenter before the room sees them
Image in questions	Yes	Yes	Yes	Attach a picture per question; compressed automatically and shown on both presenter and participant screens
Video in questions	Yes	Yes	Yes	Paste a YouTube or Vimeo link; plays inline on presenter and participant screens
Spinner wheel, 100-points, other novelty types	No	Some	Many	Mentimeter has the widest variety

Running a live session

Capability	VFlux Poll	Slido	Mentimeter	Notes
Join by short code	6-digit	Yes	Yes	Easy to read aloud
Join by QR code	Yes	Yes	Yes	Shown on the presenter screen
Presenter / big-screen view	Yes	Yes	Yes
Live results update	Yes	Yes	Yes	VFlux refreshes every 2–2.5 seconds
Per-question countdown timer	Yes	Yes	Yes
Anonymous or named participants	Both	Both	Both
Leaderboard	Yes	Yes	Yes
Speed-based scoring	Yes	Limited	Yes
Shuffled question order per participant	Yes	No	No	Prevents copying in a shared room
Game-show presentation mode	Yes	No	No	Hexagon tiles, timer, sound effects
Sound effects	Yes	No	Minimal	Generated in-browser, no licensing issues
Mobile-friendly participant view	Yes	Yes	Yes	Includes a landscape hint for game mode
Very large audiences (1000s)	Untested	Proven	Proven	VFlux uses periodic refresh, not websockets

Setting up and getting results out

Capability	VFlux Poll	Slido	Mentimeter	Notes
Import questions from Excel / CSV	Yes	Limited	Limited
Import questions from Word / PDF	Yes	No	No	Reads an existing question paper directly
Downloadable question template	Yes	Some	Some
Ready-made template library	No	Yes	Large	Mentimeter's template library is extensive
Export results — CSV	Yes	Paid tiers	Paid tiers
Export results — Excel	Yes	Paid tiers	Paid tiers
Export results — PDF report	Yes	Paid tiers	Paid tiers
Custom themes / branding	Basic	Yes	Strong	Mentimeter leads on visual design

Integrations, cost and control

Capability	VFlux Poll	Slido	Mentimeter	Notes
PowerPoint / Google Slides add-in	No	Yes	Yes	Poll slides run inside your deck — a major convenience
Zoom / Teams / Webex integration	No	Yes	Yes	Important for remote and hybrid sessions
Native mobile apps	Browser	Yes	Yes
Cost	Free	Freemium	Freemium	Free tiers are capped; presenters pay for full features
Participant / question limits	None	Tier-based	Tier-based
Self-hosted, data on your server	Yes	No	No	Both competitors are cloud-only SaaS
Compliance certifications (SOC 2 etc.)	No	Yes	Yes	Often required in corporate procurement
Vendor support & SLA	No	Yes	Yes

3. Where Slido and Mentimeter lead — stated plainly

Integrations. Running polls directly inside PowerPoint, Google Slides, Zoom or Teams is their single biggest advantage. Presenters never leave the deck.
Proven scale. Both routinely handle thousands of simultaneous participants at conferences.
Q&A depth (Slido). Question routing, threading and the polish that comes from years of focus on this one problem.
Visual variety (Mentimeter). A far wider set of interaction types, a large template library and stronger design controls.
Mobile apps, support contracts and compliance certifications — often mandatory in corporate procurement.

4. Which fits your session?

VFlux Poll

Training sessions, workshops, classrooms
You want a quiz that feels like an event
Questions already exist in a document
Scores, winners and anti-copying matter
No budget for per-presenter licences
Data must stay on your own servers
Audience in the room, joining by code or QR

Slido

Corporate town halls and conferences
Audience Q&A is the main activity
You need moderation before questions appear
Sessions run inside Teams, Zoom or Slides
Thousands of participants
Procurement needs a vendor with an SLA

Mentimeter

Presentation design quality is central
You want many interaction formats
Templates save you preparation time
Polls live inside your slide deck
Remote or hybrid audiences
Budget for a presenter licence exists

A realistic split. Many organisations use Slido or Mentimeter for external conferences and leadership town halls, while running internal training quizzes, staff assessments and classroom sessions on VFlux Poll — where the game-show format lands better, the scoring is stricter, and there is nothing to pay per session.

5. Honest limitations of VFlux Poll

No slide-deck or meeting integrations. You switch to the browser to present. This is the biggest practical difference for corporate users.
Unproven at conference scale. Results refresh on a timer rather than a websocket connection; comfortable for a room, not yet validated for thousands.
No template library and lighter design controls than Mentimeter.
New product — no mobile apps, no support contract, no compliance certifications.

6. Summary

	VFlux Poll	Slido	Mentimeter
Built around	Quizzing & training	Audience Q&A	Interactive presentations
Question types	8 core types	Core set + strong Q&A	Widest variety
Game-show mode	Yes	No	No
Import from Word / PDF	Yes	No	No
Anti-copy shuffle	Yes	No	No
Slide & meeting integrations	No	Yes	Yes
Exports	CSV, Excel, PDF — free	Paid tiers	Paid tiers
Cost	Free, unlimited	Freemium	Freemium
Data location	Your server	Vendor cloud	Vendor cloud
Best for	Trainers, teachers, institutions, government departments	Corporate events and town halls	Presenters and educators wanting visual polish

In one line. Slido owns the corporate Q&A room and Mentimeter owns the beautiful slide. VFlux Poll owns the quiz — the session where scores matter, the room should feel like a game show, the questions already exist in a file, and nobody should have to pay per presenter.

VFlux Poll · Made in India 🇮🇳
VFlux Poll capabilities verified against the current build. Slido and Mentimeter capabilities reflect their publicly documented commercial plans; features and pricing tiers change over time — verify current details with each vendor.

Trademarks. Slido® is a registered trademark of Cisco Systems, Inc. Mentimeter® is a registered trademark of Mentimeter AB. All other product names, logos and brands are the property of their respective owners and are used here for identification purposes only. Their use does not imply any affiliation with, endorsement by, or partnership with VFlux.
Accuracy. This comparison was last reviewed on 24 July 2026. Competing products are actively developed and their features, plans and pricing change; always verify current details with the respective vendor before making a decision. If you believe anything here is out of date or inaccurate, please tell us and we will correct it.