Softwr

Accounting · head to head

Lago vs Pennylane

Lago logo

Lago

Accounting

Open-source billing infrastructure for usage-based models

From
Free
Rated
-
Full reviewWebsite
Pennylane logo

Pennylane

Accounting

French tool combining business finances, accounting and a pro account in one platform

From
On request
Rated
-
Full reviewWebsite

The short version

  • Only Lago has a free tier, so it costs nothing to try first.
  • Each has a real cost: Lago free tier limited to 10,000 entities per month with 5M event cap; Pennylane no pricing is displayed on the homepage or linked pricing page; visitors are directed only to a Demarrer maintenant (Start now) signup flow with no published EUR figure
  • Prices and features above were last checked on 29 August 2026.

Where they differ

Only the attributes on which Lago and Pennylane actually diverge.

Attributes where Lago and Pennylane differ
AttributeLagoPennylane
Starting priceFreeOn request
Pricing modelFreemium with optional paid tiersquote
Free tierYesNo
PlatformsWeb, Cloud, Self-hosted, On-premise, VPCWeb

Identical on both: user rating (Not yet rated), category (Accounting).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Lago

  • Real-time usage metering
  • Multiple pricing models
  • Automated invoicing
  • Prepaid credits
  • Entitlements
  • Multi-currency support
  • Payment orchestration
  • Revenue analytics

Only in Pennylane

Nothing recorded that Lago does not also cover.

What people use each for

The jobs each tool is most often brought in to do.

Lago

  • Building usage-based billing for high-volume APIs and infrastructurenot Pennylane
  • Implementing metered billing for AI and tokenized servicesnot Pennylane
  • Creating subscription and hybrid pricing modelsnot Pennylane
  • Managing multi-currency billing for global companiesnot Pennylane
  • Maintaining billing infrastructure without vendor lock-innot Pennylane

Pennylane

  • Automated invoicing with payment reminders and collectionsnot Lago
  • Real-time cash flow visibility and financial forecastingnot Lago
  • Employee expense management with card controls and workflowsnot Lago
  • Automated supplier invoice payment processingnot Lago
  • Mandatory e-invoicing compliance (France September 2026)not Lago

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Lago

  • Free tier limited to 10,000 entities per month with 5M event cap
  • No specific pricing published for Pro annual plan or Scale plan
  • Self-hosted and on-premise deployments require engineering resources
  • Community support only on free tier
  • Scale plan requires annual contracts and sales engagement

Pennylane

  • No pricing is displayed on the homepage or linked pricing page; visitors are directed only to a Demarrer maintenant (Start now) signup flow with no published EUR figure
  • The product bundles accounting, invoicing and a business bank account together, so buyers cannot subscribe to only one function

Pricing, plan by plan

Lago

Free
  • Build (Free)Free
    • 10,000 managed entities per month
    • 5M usage events per month
    • 1K events per second rate limit
  • Pro$399/month
    • 10,000 entities included (graduated pricing to 100K)
    • 25M usage events included (to 500M with graduated rates)
    • 10K events per second (upgradeable to 100K)
  • Scale$null/custom
    • Custom entity and event volumes
    • 50K events per second (upgradeable to 100K)
    • RBAC and SSO (SAML)

Pennylane

On request

No published plan breakdown. See the Pennylane review.

Which should you pick?

Choose Lago if

  • You need real-time usage metering.
  • You want to start without paying.
  • You work on Web, Cloud, Self-hosted, On-premise, VPC.
  • You also want multiple pricing models.
Lago review

Choose Pennylane if

Nothing in the data separates Pennylane from Lago on the points above - pick on price and on how each one feels to use.

Pennylane review

Questions people ask

Is Lago or Pennylane better?
Neither clearly leads. Lago starts at Free and Pennylane at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Lago or Pennylane?
Lago has a free tier; the other does not. Paid plans start at Free for Lago and On request for Pennylane.
Does Lago or Pennylane run on more platforms?
Lago runs on Web, Cloud, Self-hosted, On-premise, VPC. Pennylane runs on Web.
Can I use Lago for free?
Yes. Lago has a free tier, so you can try it without paying. Pennylane starts at On request.
What is Lago best used for?
Lago is most often used for building usage-based billing for high-volume apis and infrastructure, implementing metered billing for ai and tokenized services, creating subscription and hybrid pricing models, managing multi-currency billing for global companies. Of those, building usage-based billing for high-volume apis and infrastructure and implementing metered billing for ai and tokenized services are not what Pennylane is typically brought in for.
What can Lago do that Pennylane cannot?
Lago covers Real-time usage metering, Multiple pricing models, Automated invoicing, Prepaid credits.

Answered from the vendors’ own pages

Lago: Can I use Lago open-source for free?

Yes, Lago is open-source under the AGPLv3 license and can be self-hosted. The cloud-based Build plan is also free with limits of 10,000 entities and 5M events per month.

Source
Pennylane: What financial processes does Pennylane help automate?

Pennylane streamlines multiple financial functions including invoice creation, expense management, payment collection, and receipt documentation. The platform centralizes data from facturation, purchasing, treasury, and accounting in one unified system.

Source
Lago: What payment providers does Lago integrate with?

Lago integrates with Stripe and Adyen for payment processing. It is not a payment processor itself but orchestrates payments through these providers.

Source
Pennylane: Can Pennylane help with corporate spending control?

Yes. Pennylane provides corporate cards for employees with built-in spending controls and authorization workflows, allowing businesses to manage team expenses while maintaining visibility and approval requirements.

Source
Lago: Does Lago support multiple currencies?

Yes, Lago supports multi-currency billing with automatic currency conversion for global businesses.

Source
Pennylane: Does Pennylane provide real-time financial visibility?

Yes. Pennylane's unified dashboard provides live transaction visibility and real-time cash flow monitoring across the entire business, helping teams access financial data instantly.

Source
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