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.
Last updated
Use 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. Business Valuation, Product Viability and funding tracking are on the Plus plan.
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.
The shortlist
Best Kleio alternatives compared
Kleio beside MerchantFlow and the other profit tools merchants shortlist against it, on the five things that decide the switch.
| Tool | Entry price | Blended P&L | Shopify-native | Per-region P&L | Setup |
|---|---|---|---|---|---|
| MerchantFlowRecommended | $49-$149/mo Flat tiers · no per-order overage fees | Yes Meta, Google, TikTok and Snapchat Ads in one blended number | Shopify app Shopify and WooCommerce | Yes Net profit per country | 1-click Shopify install Plus a WooCommerce connector |
| Kleio5.0(20)MerchantFlow vs Kleio | $29/mo | Yes | Shopify app Shopify only | Country filter + P&L grouping | 1-click Shopify install |
| TrueProfit4.9(905)MerchantFlow vs TrueProfit | $35/mo Every tier has a monthly order cap | Yes | Shopify app Shopify only | No | 1-click Shopify install |
| GoProfit4.8(92)MerchantFlow vs GoProfit | $12/mo Free plan available · Tiers gated by monthly order count | Yes | Shopify app Shopify only | Not documented | 1-click Shopify install |
| SimplyCost4.8(72)MerchantFlow vs SimplyCost | $9.99/mo Starter capped at 600 orders/mo | Limited | Shopify app Shopify only | No | 1-click Shopify install |
"Recommended" is our own pick, and we are not a neutral party: MerchantFlow is our product. Every competitor cell is drawn from that vendor's published pricing page and Shopify App Store listing on the dates below. Blended P&L means one profit number across every channel: it is not a split of organic against paid revenue, and no row here claims a per-campaign net profit figure for any tool.
Pricing verified from Kleio Shopify App Store listing (Oct 4, 2026), TrueProfit pricing page (Oct 4, 2026), GoProfit Shopify App Store listing (Oct 4, 2026) and SimplyCost Shopify App Store listing (Oct 4, 2026).
Why merchants switch
What MerchantFlow does that Kleio doesn'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 lets one login switch between client organizations and offers a Consolidated View across stores (beta), but has no agency pricing and does not document portfolio-level KPIs across clients.
WooCommerce support
Kleio is Shopify-only. MerchantFlow supports both Shopify and WooCommerce 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 by shipping country and group the consolidated P&L by country, but does not document a dedicated per-region report with 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 | Low-stock status | 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 | TikTok + Snapchat in beta |
| AppLovin ads | No | Yes |
| Flow AI assistant (3 personas, in-product) | Pro+ | No |
| Native MCP server | Hosted, OAuth, 50+ tools | Hosted, OAuth |
| Business Valuation | Plus plan | No |
| Product Viability simulator | Plus plan | No |
| Revenue-based funding tracking | Plus plan | 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 | Pro+ | Custom reports + data export |
| Agency Portal | Separate Agency plan | Multi-client login + consolidated view (beta) |
| Margin by Region (per-country net P&L) | Yes | Country filter + P&L grouping |
| WooCommerce support | Yes | No |
| Per-discount-code margin tracking | Yes | No |
| Native mobile app | iOS + Android | Responsive web only |
| ShipHero / GoAffPro integrations | No | Yes |
| 2FA (TOTP) + full GDPR suite | Yes | GDPR policy; 2FA not documented |
| 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
Kleio pricing vs MerchantFlow
Three published monthly prices, each with an included order volume. 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. Each plan lists its included order volume (1,000 / 5,000 / 25,000 per month) and never charges per-order overages
Kleio pricing
5.0(20)Everything
Single flat plan, 1,000,000 orders in database
per month
Pricing as published on Kleio Shopify App Store listing - verified Oct 4, 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.
This makes my life so much easier, and I run my entire business from this dash.
And at Kleio's price point, this is a no brainer.
Paired the MCP with my Claude setup and the data flow has been incredibly valuable to all my decision-making, ad performance analysis, etc.
The other side
What MerchantFlow customers say
Reviews from merchants who run their store on MerchantFlow.
MerchantFlow has become one of the most valuable tools in my business. As a tradie building Mech Tools from the ground up, understanding true profitability is critical. MerchantFlow gives me clear, accurate data that helps me make better business decisions.
Mech Tools Pty LTD
Australia · 18 days using the app
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
Its super important for me to know my numbers down the the exact percentage and I can trust Merchant Flow to get it right. I've used other softwares in the past but none of them have half of the features this does and always end up not being correct. Highly recommend using it if you're running an ecommerce store.

Australia · 2 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.
- Kleio's MCP server exposes product WRITE tools - prices, content, status, tags, metafields - so an assistant can act, not just read. Ours is read-only by construction and cannot do this.
- Kleio also lists Pinterest and Microsoft Ads (both beta), a Klaviyo integration, and a 3PL invoice import for actual per-order carrier costs.
- All 20 reviews on the Shopify App Store are 5 stars at the time of writing - a 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
What are the best Kleio alternatives in 2026?
The closest alternatives to Kleio for Shopify profit tracking are MerchantFlow, TrueProfit, GoProfit and SimplyCost. All of them install from the Shopify App Store. MerchantFlow is our own product, so treat this as our recommendation rather than a neutral verdict: it starts at $49/mo flat with no per-order overage fees, reports one blended profit number across Meta, Google, TikTok and Snapchat, breaks net profit down per country, and supports WooCommerce as well as Shopify. The comparison table on this page puts all five side by side on entry price, blended P&L, per-region P&L and setup, with each vendor's pricing source and the date we last checked it.
How much does Kleio cost?
Kleio is $29/mo flat - a single plan with unlimited users and up to 1,000,000 orders in the database, with a 14-day free trial and no persistent free tier. Verified from the Kleio Shopify App Store listing in October 2026. Kleio's own site describes the same plan as unlimited orders, so treat the database figure as the App Store listing's wording.
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: WooCommerce is supported on every tier, Flow AI and custom reports are on Pro and Plus, and valuation, viability and funding tracking are on Plus. The agency portal has a separate Agency plan. 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 supports both Shopify and WooCommerce. Kleio does not list WooCommerce.
Does MerchantFlow connect to AI assistants like Kleio's MCP server?
Yes. MerchantFlow ships a native MCP server that connects to Claude, ChatGPT, Cursor, Windsurf, and VS Code, and it is listed in ChatGPT's plugin directory, so ChatGPT users can add it without pasting a server URL. On Pro and Plus, 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 imports up to 5 years of Shopify orders on first sync (how much you can view depends on plan: 90 days Starter, 12 months Pro, unlimited Plus), including paid spend backfill from Meta, Google, TikTok, and Snapchat where the source platform allows it.
Run your own numbers
Free calculators to check the math yourself
Every tool runs instantly in your browser - free, no signup required.
Product Profitability Calculator
True profit per sale after COGS, ad spend, platform fees, and refunds.
Open calculatorMER Calculator
Blended ROAS from total revenue and total ad spend across every channel.
Open calculatorBreak-Even ROAS Calculator
The minimum ROAS you need after COGS, fees, and refunds.
Open calculatorEcommerce Business Valuation
Profit tracking tells you this month. A valuation tells you what the whole thing is worth.
Open calculatorAlso comparing