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Accounting · head to head

Billit vs Mercury

Billit logo

Billit

Accounting

Belgian invoicing and accounting software with Peppol e-invoicing

From
Free
Rated
-
Full reviewWebsite
Mercury logo

Mercury

Accounting

Banking for startups

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Billit annual billing required to get approximately 15% discount (one free month included); Mercury treasury access requires a $250,000 balance held with Mercury
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Billit and Mercury actually diverge.

Attributes where Billit and Mercury differ
AttributeBillitMercury
Pricing modelsubscriptionfreemium
PlatformsWebWeb, Ios, Android
FoundedUnknown2019

Identical on both: starting price (Free), free tier (Yes), 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 Billit

Nothing recorded that Mercury does not also cover.

Only in Mercury

  • Business checking
  • Savings accounts
  • Virtual cards
  • Team management
  • API access
  • QuickBooks
  • Xero
  • Stripe

What people use each for

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

Billit

  • Invoice generation and document management for freelancers and small businessesnot Mercury
  • E-invoicing and Peppol compliance for European businessesnot Mercury
  • Recurring billing and payment reminder workflowsnot Mercury

Mercury

  • Business banking and payments for startupsnot Billit
  • Managing treasury, invoicing and corporate cards from one accountnot Billit

Where each one falls short

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

Billit

  • Annual billing required to get approximately 15% discount (one free month included)
  • Additional user seats cost €5 per user per month on top of plan price
  • Overage pricing per document decreases with tier, penalizing rapid growth within a tier

Mercury

  • Treasury access requires a $250,000 balance held with Mercury
  • Non USD international wires carry a 1% conversion fee
  • Choosing OUR wire coding, which covers intermediary bank charges, costs $15 per wire
  • ACH invoicing is $1 per transaction on Mercury Plus and only free on the $299 a month Pro plan
  • Advanced and recurring invoicing require Mercury Plus at $29.90 a month

Pricing, plan by plan

Billit

Free
  • Starter$7.5/month
    • Up to 25 documents per month
    • Peppol e-invoicing
    • Invoice customization
  • Growth$25/month
    • Up to 500 documents per month
    • All Starter features
    • Additional documents: €0.25 per document
  • Professional$250/month
    • Up to 1,000 documents per month
    • All Growth features
    • Additional documents: €0.15 per document
  • Enterprise$null/month
    • 1,000+ documents per month
    • Custom pricing

Mercury

Free
  • Mercury (Free)Free
    • ACH payments
    • Domestic wires
    • Real-time payments
  • Mercury Plus$29.9/month
    • Invoice ACH debits
    • Recurring invoices
    • Invoicing API (500/month)
  • Mercury Pro$299/month
    • All Plus features
    • Relationship manager
    • Free ACH invoice debits

Which should you pick?

Choose Billit if

  • You want to start without paying.
Billit review

Choose Mercury if

  • You need business checking.
  • You want to start without paying.
  • You work on Web, Ios, Android.
  • You also want savings accounts.
Mercury review

Questions people ask

Is Billit or Mercury better?
Neither clearly leads. Billit starts at Free and Mercury at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Billit or Mercury?
Billit starts at Free and Mercury at Free.
Does Billit or Mercury run on more platforms?
Billit runs on Web. Mercury runs on Web, Ios, Android.
Can I use Billit for free?
Both have a free tier, so you can try either at no cost before committing.
What is Billit best used for?
Billit is most often used for invoice generation and document management for freelancers and small businesses, e-invoicing and peppol compliance for european businesses, recurring billing and payment reminder workflows. Of those, invoice generation and document management for freelancers and small businesses and e-invoicing and peppol compliance for european businesses are not what Mercury is typically brought in for.
What can Billit do that Mercury cannot?
Mercury covers Business checking, Savings accounts, Virtual cards, Team management.

Answered from the vendors’ own pages

Billit: What does Billit Starter plan include and how much does it cost?

Billit Starter is €7.50 per month (or €22.92 per month with annual billing, roughly 15% off) and supports up to 25 documents per month. All plans include Peppol e-invoicing, invoice customization, quotes, mobile app, bank integration, and payment reminders. Extra documents over the limit cost €0.50 each.

Source
Mercury: Is Mercury business banking free?

Mercury's base banking tier is free and includes ACH payments, domestic wire transfers, real-time payments, Bill Pay, and QuickBooks/Xero automations at no monthly cost.

Source
Billit: How much does it cost to add team members to a Billit account?

The first user is included in your plan. Additional team members cost €5 per user per month. Bookkeepers and accountants can access the accountant portal for free.

Source
Mercury: What does Mercury Plus add beyond the free tier?

Mercury Plus costs $29.90 per month and adds invoice ACH debits, recurring invoice capabilities, invoicing API with 500 calls per month, unlimited 1099 filings, and access to partner benefits.

Source
Billit: What is the difference between Billit Growth and Professional plans?

Billit Growth is €25/month for up to 500 documents monthly (€0.25 per overage). Professional is €250/month for up to 1,000 documents monthly (€0.15 per overage). Both include all features; the only differences are document limit and overage rates.

Source
Mercury: Does Mercury charge monthly account fees?

No, Mercury states there are no minimum account balance requirements, overdraft fees, required monthly fees, or account opening fees. The free tier includes essential business banking, with paid tiers available for additional features.

Source
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