MerchantFlow vs Kleio
Profit tracking is the start, not the whole financial picture
Kleio is a focused, founder-built profit tracker for Shopify at $29/mo flat. MerchantFlow is broader by design - Business Valuation, Product Viability, revenue-based funding, agency portal, custom report builder, and WooCommerce - in addition to the profit tracking Kleio does well.
Install on ShopifyUse MerchantFlow if
You want one tool for the entire financial picture: blended P&L, Business Valuation, Product Viability, funding tracking, custom reports, agency portal, and WooCommerce alongside Shopify.
Use Kleio if
You run a single Shopify store, you only need profit tracking and unit economics, and the $29/mo flat price is the deciding factor.
Why merchants switch
What MerchantFlow does that Kleiodoesn't
Flow AI with three personas
Kleio connects to AI tools over MCP, but has no assistant inside the dashboard. MerchantFlow ships Flow AI with CMO, Executive, and Finance personas so each team member gets answers framed for the decisions they actually make - no MCP client required.
Business Valuation and Product Viability
Know what your store is worth today and stress-test every product launch before you order inventory. Neither feature exists in Kleio.
Revenue-based funding tracking
Track Wayflyer, Clearco, and Shopify Capital repayments inside your P&L so contribution margin reflects what actually leaves the bank. Kleio doesn't track funding.
Agency Portal for operators with portfolios
Manage multiple client tenants, see portfolio KPIs, and invite team members per client. Kleio supports multi-store reporting but has no purpose-built agency surface.
WooCommerce support
Kleio is Shopify-only. MerchantFlow covers Shopify and WooCommerce with identical feature depth so you can consolidate stacks across stores on different platforms.
Margin by Region
See net profit, net margin, POAS, and CAC per country side by side in a dedicated regional view with a full cost waterfall - allocating COGS, shipping, payment fees, ad spend, and shared overhead. Kleio lets you filter its P&L to a single country, but does not document a dedicated per-region report, side-by-side net margin by country, or per-country POAS and CAC.
Side by side
MerchantFlow vs Kleio: the full comparison
| Feature | MerchantFlow | Kleio |
|---|---|---|
| Real-time P&L | Yes | Yes |
| Net profit, MER, contribution margin, ROAS, POAS | Yes | Yes |
| LTV / cohort analysis | Yes | Yes |
| Product analytics (margins, AOV, return rate) | Yes | Yes |
| Inventory monitoring | Yes | Yes |
| Flexible variable cost rules (per order, per line, % of sales, by weight) | Per-product COGS + bulk rules | Highly granular |
| Meta, Google, TikTok, Snapchat Ads | Yes | Yes |
| AppLovin ads | No | Yes |
| Flow AI assistant (3 personas, in-product) | Yes | No |
| Native MCP server (Claude, Cursor, Windsurf, VS Code) | Yes | Yes |
| Business Valuation | Yes | No |
| Product Viability simulator | Yes | No |
| Revenue-based funding tracking | Yes | No |
| Bank balance + burn rate | Yes | No |
| Bundle handling | Yes | No |
| CJ Dropshipping (cost + tracking) | Native 3PL sync | No |
| CAPEX amortisation | Yes | Fixed costs only |
| Custom report builder | Yes | Scheduled CSV pulls |
| Agency Portal | Yes | Multi-store reports |
| Margin by Region (per-country net P&L) | Yes | Country filter only |
| WooCommerce support | Yes | No |
| Per-discount-code margin tracking | Yes | No |
| ShipHero / GoAffPro integrations | No | Yes |
| 2FA (TOTP) + full GDPR suite | Yes | Limited |
| Pricing model | Three tiers (annual discount) | $29/mo flat, single tier |
Feature data verified against Kleio's public Shopify App Store listing and developer pricing page.
What you actually pay
MerchantFlow pricing vs Kleio
Three flat plans. Annual saves 20%. Every plan includes a 14-day free trial - cancel for free anytime during the trial and you will not be charged.
Starter
Solo operators under $500k GMV
or $39.2/mo billed annually
Pro
Default for $500k-$5M GMV
or $71.2/mo billed annually
Plus
Full financial OS for $5M+ GMV
or $119.2/mo billed annually
MerchantFlow - flat pricing
Starter / Pro / Plus. Save 20% billed annually.
- 14-day free trial, cancel for free anytime
- Month-to-month billing, the same flat price at any order volume
Kleio pricing
5.0(18)Everything
Single flat plan, unlimited orders
per month
Pricing as published on Kleio Shopify App Store listing - verified Jun 16, 2026.
What their merchants say
Public reviews and testimonials about Kleio
Where a public source page is available, we link it so you can inspect the context yourself.
I've used the more expensive dashboards. This makes my life so much easier, and I run my entire business from this dash.
I've been really impressed with Kleio. At Kleio's price point, this is a no brainer.
The other side
What MerchantFlow customers say
Reviews from merchants who run their store on MerchantFlow.
I've tried quite a few of these profit tracker apps (even tried making one myself), but honestly, none of them offer what MerchantFlow does and the ones that come close cost 10x the monthly price. My favorite feature by far is the integration with my 3PL, so the data I'm seeing is the actual data not a guess.
Netherlands · 21 days using the app
I've been using MerchantFlow for the last six months in order to better understand my brand's profitability. The tool has without a doubt been super insightful and allowed me to make changes within the business that have nearly doubled our brand's monthly profit. This is the best profit analysis and optimisation tool going around for any ecommerce brand owner right now.
Australia · 6 months using the app
The honest take
Where Kleio still beats us
We think comparison pages should be honest. Here's where Kleio is genuinely a better fit than MerchantFlow.
- $29/mo flat single tier is meaningfully cheaper than MerchantFlow at any tier.
- Founder Mathias is hands-on and ships fast. Several reviewers explicitly call out his responsiveness and statistics background.
- Variable cost rules in Kleio are unusually granular: per order, per line item, per refund, per refunded line, percentage of sales, percentage of COGS, by weight, or by quantity.
- AppLovin ad platform is supported natively. MerchantFlow does not pull AppLovin spend yet.
- ShipHero and GoAffPro have native integrations in Kleio. We do not.
- 17 of 17 reviews on the Shopify App Store are 5 stars at the time of writing - a near-spotless reputation.
- Single-store operators who want nothing beyond clean profit tracking and unit economics will find Kleio's focused scope a genuine advantage.
Questions merchants ask
MerchantFlow vs Kleio FAQ
How is MerchantFlow different from Kleio?
Kleio is a focused, well-built profit tracker that deliberately limits scope - no funding tracking, no valuation, no viability simulation. MerchantFlow covers profit tracking too, plus the broader financial OS surface area: Business Valuation, Product Viability, revenue-based funding tracking, agency portal, custom report builder, and WooCommerce.
Is MerchantFlow more expensive than Kleio?
Yes. Kleio is $29/mo flat. MerchantFlow has three tiers and is more expensive on any of them. The trade is scope: valuation, viability, funding, custom reports, agency portal, and WooCommerce are all included. If you only need profit tracking on a single Shopify store, Kleio at $29/mo is a strong choice.
Does MerchantFlow support WooCommerce?
Yes. MerchantFlow runs on both Shopify and WooCommerce with the same feature depth. Kleio is Shopify-only.
Does MerchantFlow connect to AI assistants like Kleio's MCP server?
Yes. MerchantFlow ships a native MCP server that connects to Claude, Cursor, Windsurf, and VS Code, just like Kleio. We also include Flow AI - a three-persona (CMO, Executive, Finance) AI assistant inside the dashboard, so non-developer users can ask questions without setting up an MCP client.
Can I import 5 years of history when switching from Kleio?
Yes. MerchantFlow ingests up to 5 years of Shopify orders on first sync, including paid spend backfill from Meta, Google, TikTok, and Snapchat where the source platform allows it.
Also comparing
See how MerchantFlow stacks up against others
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