Stripe is the default.
If you ask ten SaaS founders what they use for billing, eight of them will say Stripe. It's reliable, well-documented, and trusted by companies from early-stage startups to public companies.
But "Stripe" and "billing" are not the same thing.
Stripe handles payment processing. Running a SaaS business requires more than that — authentication, subscription management, customer data, email, support. And when you start adding the tools required to fill those gaps, the cost picture changes significantly.
If you're still deciding whether to consolidate tools at all, our framework on all-in-one platforms vs. separate tools covers the broader decision.
This isn't an argument against Stripe. It's a framework for understanding what you're actually paying for — and what you might be missing.
Stripe's core product is payment infrastructure. It does this exceptionally well.
What you get with Stripe:
Payment processing (cards, bank transfers, international methods)
Subscription and invoicing logic
Dunning management (failed payment retries)
Tax calculation (with Stripe Tax add-on)
Developer-friendly API with extensive documentation
What Stripe does not include:
User authentication and login flows
CRM or customer management
Email marketing or lifecycle emails
Customer support or helpdesk
Usage analytics or retention tracking
For a SaaS product, you need all of these things. Stripe gives you one piece of the puzzle. The rest you build or buy separately.
Let's be specific about what a typical early-stage SaaS stack looks like when Stripe is at the center.
A common Stripe-based setup:
Stripe — Payment processing (2.9% + €0.30 per transaction, plus Stripe Billing at €0.7% of revenue)
Clerk or Auth0 — Authentication (free tiers expire quickly; $25–$100/month at scale)
HubSpot or Pipedrive — CRM ($45–$90/month for basic tiers)
Mailchimp or Customer.io — Email marketing ($20–$100/month depending on list size)
Intercom or Crisp — Customer support ($39–$74/month for basic plans)
Mixpanel or Amplitude — Analytics ($0–$28/month on free tiers, more at scale)
Rough monthly total before revenue-based fees: €130–€390/month
And that's before you hit the ceiling of any free tier. Most early-stage founders start lower because they're piecing together free plans — then watch costs rise as they grow.
The percentage-based fees on Stripe are also worth examining. At €5,000 MRR, Stripe Billing's 0.7% fee alone is €35/month on top of transaction fees. It's not ruinous, but it compounds.
All-in-one platforms for SaaS typically bundle what Stripe doesn't cover.
A platform in this category generally includes:
Subscription billing (often built on Stripe's payment infrastructure)
User authentication and member management
Basic CRM functionality
Email marketing or transactional emails
Customer support tools
A unified customer database
For a detailed breakdown of one platform that takes this approach, see our Outseta review.
Pricing for these platforms typically ranges from €29–€150/month at early-stage volumes, with fees structured around contacts, users, or monthly revenue.
The important distinction: you're not replacing Stripe's payment rails in most cases. Many all-in-one platforms use Stripe under the hood for actual payment processing. You're replacing everything around the payment — the management layer.
This is where founders often get the math wrong.
The mistake: Comparing only the subscription costs.
The full picture includes:
1. Integration Time
Connecting Stripe to your CRM, your email tool, and your helpdesk takes time. That means developer hours, Zapier subscriptions, or both.
If you spend 20 hours building integrations at a conservative opportunity cost of €50/hour, that's €1,000 in time before you've acquired a single customer. And integrations require ongoing maintenance.
2. Data Fragmentation Costs
With a Stripe-centered stack, your customer data lives in multiple places. A customer who failed a payment, opened a support ticket, and unsubscribed from your newsletter exists as three separate records in three separate systems.
Consolidating this for analysis requires additional tooling or manual work. It's not free.
3. Transaction Fee Differences
Some all-in-one platforms charge a percentage of revenue instead of per-transaction fees. Whether this is cheaper depends on your average transaction size and volume.
At low MRR (under €2,000/month), per-transaction fees are often cheaper. At higher MRR (over €10,000/month), percentage-based fees can exceed what you'd pay through Stripe directly. Run the math for your specific numbers.
4. Time-to-Launch
A Stripe-centered stack with four tools integrated correctly might take two to four weeks to set up properly. An all-in-one platform might take two to four days.
If you're pre-revenue, weeks matter.
A Stripe-centered stack makes sense when:
You have a technical co-founder or dedicated engineering capacity
You need deep customization in billing logic (complex metered billing, multi-currency nuances, custom invoicing)
You're already past €25K–€50K MRR and the added complexity is justified by specific needs
You're building on top of existing infrastructure that already integrates well with Stripe
You need best-in-class tools in multiple categories, not "good enough" in all categories
An all-in-one platform makes sense when:
You're pre-revenue or under €10K MRR and time is your scarcest resource
You're a solo founder or have limited dev bandwidth
You want a unified view of customer data without building a data pipeline
You're optimizing for simplicity and speed over depth of features
Your use case is standard enough that platform constraints won't limit you
Outseta is a strong example of this category — see our full review for how it compares on features and pricing.
Neither is correct by default. The right answer depends on your stage and constraints.
They underestimate the maintenance burden of a multi-tool stack.
Integration breaks. APIs change. Free tiers get restructured. A tool you've relied on for eighteen months suddenly raises prices or discontinues a feature.
With a Stripe-centered stack, each of these events becomes your problem to solve. You're responsible for the gaps between tools.
With an all-in-one platform, the vendor owns the integration layer. When something changes internally, they fix it. You don't.
This isn't a minor consideration at early stage. Every hour spent maintaining infrastructure is an hour not spent on product.
They also underestimate how long integrations take to build correctly.
"I'll just use Zapier to connect Stripe and Mailchimp" sounds simple. Then you realize you need conditional logic for different plan types, you need to handle failed webhooks, you need to account for subscription pauses and resumptions.
Simple integrations become complex ones faster than expected.
Rather than prescribing a number, here's how to calculate this for your specific situation:
Step 1: List every capability you need
Authentication, billing, CRM, email, support, analytics. Be specific about what "good enough" means for each at your current stage.
Step 2: Price out the Stripe-centered version
Add up subscriptions, estimate transaction fees at your target MRR, and estimate integration hours at your opportunity cost per hour.
Step 3: Price out an all-in-one alternative
Find the tier that covers your capability list. Include any add-ons. Note what's missing.
Step 4: Compare total cost of ownership at your target MRR
Not just subscription costs — total cost including time, maintenance, and complexity.
Step 5: Ask which trade-offs you can live with
All-in-one platforms have feature ceilings. Stripe-centered stacks have complexity floors. Which constraint is more dangerous for your business right now?
Stripe is a better payment processor than the billing module inside any all-in-one platform. That's not a close comparison.
But "better billing" doesn't automatically mean "better for your business." It means better at the specific thing it does.
The question is whether the marginal improvement in billing sophistication is worth the added complexity, cost, and maintenance burden of building everything around it.
For most founders under €25K MRR: it isn't.
For founders with specific billing complexity, technical resources, and existing infrastructure: it might be.
The decision should be deliberate, not default.
The default is Stripe. Most founders choose it because everyone else does, because the documentation is excellent, and because it feels like the professional choice.
That's not a bad reason. But it's also not a complete reason.
Before defaulting to Stripe plus four other tools, understand what you're signing up for: a stack that's powerful, flexible, and complex — and that requires ongoing work to keep functional.
Before defaulting to an all-in-one platform, understand what you're trading: depth of features and flexibility, in exchange for simplicity and speed.
Both are legitimate choices.
Neither should be made without understanding the full cost picture.
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