
Mentimeter
Kahoot!
Poll Everywhere
AhaSlides
Glisser
Wooclap
Crowdpurr
Slido is the ultimate Q&A and polling platform for live and virtual meetings and events. It offers interactive Q&A, live polls and insights about your audience.

SMS-man.com
HeroSMS
Textverified
VirtualSMS.io
quackr
Smspva
CodesSender
Buy virtual numbers to receive SMS online for OTP verification. Temporary phone numbers with real SIM, fast activation, 100+ countries. A reliable sms-activate alternative.

Which is more popular?
Based on our record, Sli.do seems to be more popular. It has been mentioned 1 time since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | sli.do | smscode.gg |
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| Platforms | — | |
| Company | 2012 | — |
| Listed in |
What each product offers, as listed by its team.


Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
Sli.do is recommended for event organizers, educators, corporate trainers, webinar hosts, and conference managers. It is ideal for those looking to increase engagement in hybrid or virtual settings and for anyone seeking to make meetings and events more interactive and participant-focused.
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
What is Slido
More videos
No SMSCode.gg videos yet. You could help us improve this page by suggesting one.
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing Sli.do and SMSCode.gg.
SMSCode.gg's answer:
SMSCode combines the lowest pricing in the market (from $0.0044/activation) with coverage across 200+ countries and a developer-friendly REST API — all wrapped in a clean, minimal UI. No bloat, no subscription, pay only for what you use.
SMSCode.gg's answer:
SMSCode offers better pricing, wider country coverage, and a cleaner API compared to most alternatives. With 100,000+ active users and instant OTP delivery, it's reliable for both individual use and bulk automation workflows.
SMSCode.gg's answer:
Developers integrating SMS verification via API, individuals protecting their privacy online, businesses and resellers running bulk SMS verification operations, and SMM panel operators.
SMSCode.gg's answer:
SMSCode was built to solve a simple frustration — existing SMS verification services were slow, overpriced, and had terrible APIs. We built a clean, fast alternative from the ground up with a focus on reliability and developer experience.
SMSCode.gg's answer:
Rust (Axum), PostgreSQL, Redis, deployed on bare metal infrastructure for maximum performance and reliability.
SMSCode.gg's answer:
Share your experience with using Sli.do and SMSCode.gg. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


The plans are not the same. Slido Professional has moderation, branding and multiple rooms, among other things, and Mentimeter’s conference pack has Excel export and editing together with your team. klapp has no...
Yet another highly rated tool, Slido helps you build interactive polls, quizzes or surveys. The tool is scalable and can cater their services to both individuals, and businesses. The participants don’t need to...
Slido shares many features with the other tools on this list. But it also lets your audience prioritize questions for Q&A sessions by upvoting/downvoting them – a concept that Reddit users will be familiar with. Also,...
We have no reviews of SMSCode.gg yet. Be the first one to post
Recommendations tracked on public social media and blogs since March 2021.


Does anyone know of a open source self-hosted alternative to sli.do? Source: about 5 years ago
Tracking SMSCode.gg since Mar 2026.
When comparing Sli.do and SMSCode.gg, you can also consider the following products.

a web-based polling tool for workshops, conferences & events
Compare Mentimeter to Sli.do or SMSCode.gg:

SMS-man offers a virtual numbers to receive SMS and create multiple accounts on WhatsApp, Telegram, Instagram, Twitter, Amazon and others. The SMS-man service provides numbers of such countries as China, US, India, Russia, UK, Germany, Ukraine etc.
Compare SMS-man.com to Sli.do or SMSCode.gg:

Kahoot! makes it easy to create, play and share fun learning games in minutes—for any subject, in any language, on any device.
Compare Kahoot! to Sli.do or SMSCode.gg:

Receive SMS online to virtual numbers — use directly on site or via API to register accounts of any service and application, receive profits and discounts
Compare HeroSMS to Sli.do or SMSCode.gg:

Audience response system that uses mobile phones, twitter, and the web. Responses are displayed in real-time on gorgeous charts in PowerPoint, Keynote, or web browser.
Compare Poll Everywhere to Sli.do or SMSCode.gg:

Textverified is a website that is designed as a phone verification service, allowing the user to bypass the phone verifications and receive codes through social media websites and applications.
Compare Textverified to Sli.do or SMSCode.gg: