CompareSleeknote vs Popupsmart vs OptiMonk

Sleeknote vs Popupsmart vs OptiMonk: which fits your store?

The three look similar on the surface, but they price, build and support their tools in different ways. Here’s where each one stands, category by category.

OptiMonk is free to start. No credit card.

The short answer

Phone support, all-in-one email or an AI Agent?

Each tool leads in a different place, so start with what your store needs most.

Stores that want phone support

Gamified lead capture (spin-to-win, scratch cards, quizzes) with phone support on every paid plan and 1,200+ integrations through Zapier. Priced on monthly visitors, with gamification on a separate plan.

Stores that want popups and email in one

Flexible starting points (templates, a blank canvas or the AI Popup Generator) and a built-in autoresponder for welcome, discount and Shopify-triggered emails. The free plan is limited to one popup.

Stores that want an AI Agent to do the setup

The AI Agent builds on-brand campaigns from your domain, edits them in plain language and sets up the widest range of A/B tests of the three, with native Shopify product recommendations. The free plan includes every feature.

Feature by feature

Phone support, templates or ecommerce AI.

Sleeknote vs Popupsmart vs OptiMonk: feature comparison
FeatureOptiMonkStart free
Free planNo: None (14-day trial)Partly: 5K pageviews, 1 popup, no analytics or supportYes: 10K pageviews, every feature, live chat
Starting paid priceInfo: €62/month (billed in EUR)Info: $39/month (50K pageviews)Info: $29/month (20K pageviews)
Pricing metricInfo: Monthly visitorsInfo: Monthly pageviewsInfo: Monthly pageviews
TemplatesYes: 120+Yes: 500+Yes: No fixed templates. The AI Agent designs each one for your brand
Campaign typesYes: Popups, slide-ins, sidebars, floating bars, embedded formsYes: Lightbox, fullscreen, floating bar, teaser, cookie consent, gamificationPartly: Popups, fullscreen, teasers, surveys, multi-step flows, gamification
GamificationPartly: Core + Gamification plan (from €85/mo)Yes: Spin-the-wheel formatYes: All plans incl. free
A/B testingPartly: 2-variant split, all paid plansPartly: Multiple variants, auto winner, Advanced plan ($69/mo)Yes: All plans incl. free: control group, multivariate, set up with the AI Agent
AI featuresPartly: AI Text OptimizerPartly: AI Popup Generator (one popup from a prompt, no brand matching), Smart ModeYes: OptiMonk AI Agent (builds, edits, sets up tests), Smart Analytics
Native email sendingNo: Integration onlyYes: Built-in autoresponder, 100–10,000 emails/moNo: Integration only
Shopify app ratingPartly: 3.5/5 (3 reviews)Yes: 4.8/5 (50 reviews)Yes: 4.8/5 (420 reviews)
SupportYes: Chat, email and phone on all paid plansPartly: None on free; chat from BasicYes: Live chat on all plans, under 3 min
Category by category

Seven categories, three different leaders.

01Pricing

How do Sleeknote, Popupsmart and OptiMonk compare on pricing?

All three charge on different logic. Sleeknote counts monthly visitors; Popupsmart and OptiMonk count pageviews. Ecommerce sites typically see 3–5 pageviews per visitor, so a visitor count isn’t directly comparable to a pageview count.

Sleeknote has no free plan, only a 14-day trial with full access. Paid plans start at €62/month, and gamification formats sit on the separate Core + Gamification plan (from €85/month). A 30-day money-back guarantee covers monthly plans.

Popupsmart has a free plan capped at 5,000 pageviews, one website and one popup, without analytics or support. Paid plans start at $39/month for 50,000 pageviews; A/B testing starts on Advanced ($69/month).

OptiMonk has a free plan with 10,000 pageviews and every feature, including A/B testing, analytics and live chat. Essential starts at $29/month for 20,000 pageviews and a second domain.

OptiMonk wins

OptiMonk wins. The most complete free plan and the lowest entry price. Popupsmart’s entry plan covers more pageviews, and Sleeknote backs its plans with the longest money-back guarantee.

SleeknotePopupsmartOptiMonk
Free planTrial only5K pageviews, 1 popup10K pageviews, every feature
Entry paid price€62/mo$39/mo (50K pageviews)$29/mo (20K pageviews)
A/B testing on entry planIncludedAdvanced plan+Included, free plan too
Money-back guarantee30 days (monthly)7 days (monthly)Not listed
02AI

Which tool has the most useful AI?

Sleeknote keeps AI to copy: its AI Text Optimizer rewrites campaign text, adjusts tone and translates. Targeting runs on behavior rules plus real-time Shopify data.

Popupsmart generates a single popup from a text prompt with its AI Popup Generator. It doesn’t read your site’s colors, logo or fonts, so brand fixes are manual, and after that first draft the AI steps out: edits, targeting and tests are set up by hand. Smart Mode separately predicts audience, timing and trigger once your site has enough traffic data.

OptiMonk works as an agent across the whole campaign, not a one-off generator. The AI Agent reads your domain (colors, fonts, style, products), builds on-brand campaigns, applies any edit you describe in plain language, sets up A/B tests in a conversation and suggests what to try next. There’s no predictive targeting.

OptiMonk wins

Sleeknote rewrites and translates copy; Popupsmart generates a first draft and leaves the rest to you. OptiMonk’s Agent keeps working after the draft, matching your brand, applying edits and setting up tests. Popupsmart edges Sleeknote here, mainly thanks to Smart Mode’s predictive targeting.

SleeknotePopupsmartOptiMonk
AI campaign generationNot offeredOne popup from a text promptAI Agent, from your domain
Matches your brand automaticallyNot offeredNo, manual fixesYes
Plain-language editingNot offeredNot offeredAI Agent
Sets up A/B testsNot offeredNot offeredAI Agent
Predictive targetingNot offeredSmart ModeNot offered
Copy rewriting, translationAI Text OptimizerNot confirmedAI Agent
03A/B testing

How does A/B testing compare?

Sleeknote runs a 50/50 split between two versions of a campaign on every paid plan. It’s capped at two variants, has no control group, and campaigns with automated triggering can’t be split-tested.

Popupsmart lets you add several variants to a baseline and pick the winner manually or automatically by leads, interactions or conversion rate. Testing starts on the Advanced plan ($69/month).

OptiMonk includes control-group, in-campaign format, static vs. animated and multivariate tests on every plan, including free, set up in a conversation with the AI Agent. Applying the winner is a manual step.

OptiMonk wins

OptiMonk wins. The widest range of test types, available on the free plan. Popupsmart’s automatic winner selection is a plus if you’d rather not review results yourself.

SleeknotePopupsmartOptiMonk
More than 2 variants2 maxYesYes
Control groupNot offeredNot offeredAll plans
MultivariateNot offeredNot offeredAll plans
Automatic winnerNot offeredYesManual
Available fromPaid plansAdvanced ($69/mo)Free plan
04Templates & formats

How do templates and campaign formats compare?

Sleeknote is template-first: start from 120+ designs, then customize in a drag-and-drop editor with a separate mobile view. Formats include popups, slide-ins, sidebars, floating bars and embedded forms; Spin to Win, Scratch to Win and quizzes sit on the gamification plan.

Popupsmart gives you the most starting points: 500+ templates, a blank canvas or the AI Popup Generator. Formats include lightboxes, fullscreen, floating bars, teasers, cookie consent and a spin-the-wheel.

OptiMonk doesn’t use a fixed template library. The AI Agent designs each campaign for your brand across popups, fullscreen, teasers, surveys, multi-step flows and gamification (all plans), with a drag-and-drop editor for fine-tuning.

Popupsmart & OptiMonk

OptiMonk wins on design: the AI Agent creates unlimited on-brand designs for your store, with gamification on every plan. Popupsmart wins on format range, including bars and cookie consent. Sleeknote covers embedded forms and sidebars.

SleeknotePopupsmartOptiMonk
Templates120+500+No fixed library, designed per campaign
Bars and embedded formsYesFloating barNot offered
Cookie consentNot offeredYesNot offered
GamificationSeparate planSpin-the-wheelAll plans incl. free
05Shopify

Which goes deepest on Shopify?

All three read Shopify customer and order data for targeting, and all three handle discount codes in some form.

Sleeknote connects to customer, product and order data (the last 60 days) and generates dynamic discount codes. Its app launched in 2025 and has 3 reviews so far (3.5/5).

Popupsmart uses the same 60-day data, edits existing Shopify discounts and sets up analytics tracking through Shopify’s web pixels. It rates 4.8/5 from 50 reviews.

OptiMonk recommends products natively from your catalog (recently viewed, cart-based, best-sellers, personalized picks), and generates discount codes that apply automatically at checkout. It rates 4.8/5 from 420 reviews.

OptiMonk wins

OptiMonk wins. The only native product-recommendation engine of the three and the largest review base. Popupsmart matches its rating and sets up Shopify tracking for you.

SleeknotePopupsmartOptiMonk
App rating3.5/5 (3)4.8/5 (50)4.8/5 (420)
Discount codesDynamic generationEdits existing discountsAuto-generate, auto-apply
Native product recommendationsCollections onlyNot offeredYes
06Support

Which offers the best support?

Sleeknote offers chat, email and phone on every paid plan; it’s the only one of the three with phone support. A named Success Manager comes with its done-for-you Managed Solution.

Popupsmart scales support with your plan: none on free, priority support from Basic, and a dedicated CRO expert and private Slack channel on Expert.

OptiMonk offers live chat on every plan, including free, with replies in under 3 minutes, and a key account manager on Premium. There’s no phone support.

Sleeknote wins

Sleeknote wins. Phone support on every paid plan is unique in this set. OptiMonk is the only one with fast live chat before you pay.

SleeknotePopupsmartOptiMonk
Live chatYesFrom BasicAll plans, under 3 min
PhoneAll paid plansNot offeredNot offered
Dedicated personManaged SolutionExpert planPremium plan
07Email marketing

Does any of the three send email itself?

Sleeknote captures emails and passes them to your ESP through native integrations, plus 1,200+ more tools through Zapier.

Popupsmart is the only one with a built-in autoresponder: welcome emails, discount codes and, for Shopify stores, new signup, first-purchase and checkout-abandonment emails, even without a popup. Volume runs from 100 to 10,000 emails a month by plan.

OptiMonk captures emails and sends them to your ESP or CRM through 100+ integrations, the same model as Sleeknote.

Popupsmart wins

Popupsmart wins. It covers basic automated emails without a separate tool. If you already use an ESP, this category matters less.

SleeknotePopupsmartOptiMonk
Native email sendingIntegration onlyBuilt-in autoresponderIntegration only
Shopify-triggered emailsNot applicableNew signup, first purchase, checkout abandonmentNot applicable
Integrations1,200+ via Zapier49 native100+
Pros and cons

The trade-offs, tool by tool.

Sleeknote
Pros
  • Phone support on all paid plans
  • 30-day money-back guarantee
  • 1,200+ integrations via Zapier
Cons
  • No free plan
  • Gamification on a separate plan
  • A/B testing capped at two variants
Popupsmart
Pros
  • 500+ templates and an AI popup generator
  • Built-in autoresponder
  • Smart Mode predictive targeting
Cons
  • Free plan limited to one popup, no support
  • A/B testing from $69/month
  • No native product recommendations
OptiMonk
Pros
  • AI Agent builds and edits campaigns from your domain
  • Most test types, on the free plan
  • Native Shopify product recommendations
Cons
  • No phone support
  • No built-in email sending
  • No bars, embeds or cookie consent
FAQ

Sleeknote, Popupsmart or OptiMonk?

Can I move my Sleeknote or Popupsmart campaigns to OptiMonk?

None of the three has an automatic import, so you rebuild campaigns in the new tool. With OptiMonk, the AI Agent builds the new version from your domain, so you mostly review and adjust.

Do these tools slow down my site?

All three load a JavaScript snippet. Sleeknote and OptiMonk load it asynchronously so it doesn’t block the page; Popupsmart’s loading method isn’t confirmed. A campaign’s own images and fonts affect load time as much as the script.

Can I use them outside Shopify?

Yes, all three work on any website through a script. Sleeknote and OptiMonk also offer a WordPress plugin, and Popupsmart supports Wix, Squarespace and Webflow natively.

Do they support multiple languages?

Sleeknote’s AI Text Optimizer and OptiMonk’s AI Agent can translate popup copy. None of the three serves the matching language automatically, so you build one campaign per language; Popupsmart can also target by browser language.

Which has the best gamification?

All three offer it. Sleeknote’s spin-to-win, scratch cards and quizzes are on its gamification plan; Popupsmart has a spin-the-wheel format; OptiMonk includes spin-to-win, scratch cards and pick-a-gift on every plan, including free.

Does exit intent work on mobile?

Sleeknote’s exit intent doesn’t work on mobile and it suggests a teaser instead. Popupsmart detects a fast upward scroll, and OptiMonk also watches for tab switches and the back button.

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