Accounting · head to head
Bill.com vs Formance

Formance
APIs
Open source double-entry ledger and payment orchestration for money-moving software
- From
- Free
- Rated
- -
The short version
- Each has a real cost: Bill.com limited customization of approval workflows and user permissions for complex business needs; Formance formance holds no money and provides no regulatory cover, so it must be paired with a payments provider or bank, and buyers occasionally mistake a ledger for a treasury system and discover the gap late.
- They diverge on capability: Bill.com covers AP automation, Formance covers Double-entry ledger.
- Prices and features above were last checked on 31 August 2026.
Where they differ
Only the attributes on which Bill.com and Formance actually diverge.
Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated).
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 Bill.com
- AP automation
- AR automation
- Payment processing
- Approval workflows
- Document management
- Vendor management
- Cash flow insights
- Mobile approvals
Only in Formance
- Double-entry ledger
- Numscript transaction DSL
- Multi-currency
- Payments connectivity
- Reconciliation
- Self-hosted deployment
- Cloud offering
- API and SDKs
What people use each for
The jobs each tool is most often brought in to do.
Bill.com
- Invoice processingnot Formance
- Bill paymentsnot Formance
- Vendor paymentsnot Formance
- Cash flow managementnot Formance
- Financial automationnot Formance
Formance
- A marketplace splitting a single customer payment between seller, platform fee and tax that needs the split to be atomic and auditablenot Bill.com
- A fintech whose homegrown balances table produced numbers finance could not reconcile and now needs proper double-entry before an auditnot Bill.com
- A payments team that wants one normalised model across several PSPs so reconciliation is not written separately for eachnot Bill.com
- A company that wants its ledger under a licence it can keep running even if the vendor disappearsnot Bill.com
Where each one falls short
Documented limitations, not opinions. Every one is a constraint you would hit in normal use.
Bill.com
- Limited customization of approval workflows and user permissions for complex business needs
- Limited international payment capabilities compared to specialists like Tipalti
- Customer support response times are slow, with agents often lacking product expertise
Formance
- Formance holds no money and provides no regulatory cover, so it must be paired with a payments provider or bank, and buyers occasionally mistake a ledger for a treasury system and discover the gap late.
- Numscript is a domain-specific language your team must learn, and while it makes complex splits expressible it also means transaction logic sits outside the languages your engineers already debug well.
- Self-hosting a ledger that must never lose or duplicate a transaction is a serious operational commitment covering backups, upgrades and Postgres tuning, which is real cost the zero licence fee hides.
- Enterprise pricing is not published, so the difference between the free path and the supported path cannot be evaluated without a sales conversation.
- The company is much smaller than the incumbent alternatives, and while the MIT licence protects the code it does not protect the roadmap, so features on the hosted side may arrive slowly or change direction.
Pricing, plan by plan
Bill.com
Free- Essentials$49/month
- Core AP and AR functionality
- Manual CSV import/export
- Team$65/month
- Automatic 2-way sync with QuickBooks Online, Xero
- Corporate$89/month
- Procurement features
- Custom approval policies
- Sync with NetSuite, Dynamics
Formance
Free- Open SourceFree
- MIT licensed core ledger
- Numscript transaction DSL
- Multi-currency tracking
- Enterprise$undefined/year
- Managed or private deployment
- Payments connectivity and reconciliation
- Support with response commitments
Which should you pick?
Choose Bill.com if
- You need ap automation.
- You want to start without paying.
- You also want ar automation.
Choose Formance if
- You need double-entry ledger.
- You want to start without paying.
- You work on Linux, Docker, Kubernetes, Web, API.
- You also want numscript transaction dsl.
Questions people ask
- Is Bill.com or Formance better?
- Neither clearly leads. Bill.com starts at Free and Formance at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, Bill.com or Formance?
- Bill.com starts at Free and Formance at Free.
- Does Bill.com or Formance run on more platforms?
- Bill.com runs on Web. Formance runs on Linux, Docker, Kubernetes, Web, API.
- Can I use Bill.com for free?
- Both have a free tier, so you can try either at no cost before committing.
- What is Bill.com best used for?
- Bill.com is most often used for invoice processing, bill payments, vendor payments, cash flow management. Of those, invoice processing and bill payments are not what Formance is typically brought in for.
- What can Bill.com do that Formance cannot?
- Bill.com covers AP automation, AR automation, Payment processing, Approval workflows. Formance covers Double-entry ledger, Numscript transaction DSL, Multi-currency, Payments connectivity.
Answered from the vendors’ own pages
Bill.com: What payment methods does Bill.com support?
Bill.com supports ACH transfers, checks, corporate cards, and international transfers. ACH payments cost $0.59 per transaction, checks cost $1.99, and card payments incur a 2.9% fee.
SourceFormance: Is Formance really open source?
Yes. The core ledger is MIT licensed with full source access and no deployment restrictions.
Bill.com: Does Bill.com offer a free tier?
Yes. Bill.com offers a free Spend & Expense plan for access to credit lines from $1,000-$5M with corporate cards, budgets, and expense tracking.
SourceFormance: Does Formance move money?
No. It records and orchestrates movements; the actual payments happen at a PSP or bank you connect.
Bill.com: Which accounting systems does Bill.com integrate with?
Bill.com integrates with QuickBooks Online, QuickBooks Enterprise, Oracle NetSuite, Sage Intacct, Microsoft Dynamics, and Xero, with automatic two-way syncing on most plans.
SourceFormance: What does the enterprise version cost?
Not published. It is an annual subscription quoted per customer.
Formance: Do I have to use Numscript?
Yes for anything beyond the simplest transfers. It is how multi-party transactions are expressed atomically.
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