Is Mercury or Pennylane better?

Neither clearly leads. Mercury 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, Mercury or Pennylane?

Mercury has a free tier; the other does not. Paid plans start at Free for Mercury and On request for Pennylane.

Does Mercury or Pennylane run on more platforms?

Mercury runs on Web, Ios, Android. Pennylane runs on Web.

Can I use Mercury for free?

Yes. Mercury has a free tier, so you can try it without paying. Pennylane starts at On request.

What is Mercury best used for?

Mercury is most often used for business banking and payments for startups, managing treasury, invoicing and corporate cards from one account. Of those, business banking and payments for startups and managing treasury, invoicing and corporate cards from one account are not what Pennylane is typically brought in for.

What can Mercury do that Pennylane cannot?

Mercury covers Business checking, Savings accounts, Virtual cards, Team management.

Accounting · head to head

Mercury vs Pennylane

Mercury

Accounting

Banking for startups

From: Free
Rated: -

Full review Website

Pennylane

Accounting

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

From: On request
Rated: -

Full review Website

The short version

Only Mercury has a free tier, so it costs nothing to try first.
Each has a real cost: Mercury treasury access requires a $250,000 balance held with Mercury; 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 30 August 2026.

Where they differ

Only the attributes on which Mercury and Pennylane actually diverge.

Attributes where Mercury and Pennylane differ
Attribute	Mercury	Pennylane
Starting price	Free	On request
Pricing model	freemium	quote
Free tier	Yes	No
Platforms	Web, Ios, Android	Web
Founded	2019	Unknown

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 Mercury

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

Only in Pennylane

Nothing recorded that Mercury does not also cover.

What people use each for

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

Mercury

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

Pennylane

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

Where each one falls short

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

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

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

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

Pennylane

On request

No published plan breakdown. See the Pennylane review.

Which should you pick?

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

Choose Pennylane if

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

Pennylane review

Questions people ask

Is Mercury or Pennylane better?: Neither clearly leads. Mercury 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, Mercury or Pennylane?: Mercury has a free tier; the other does not. Paid plans start at Free for Mercury and On request for Pennylane.
Does Mercury or Pennylane run on more platforms?: Mercury runs on Web, Ios, Android. Pennylane runs on Web.
Can I use Mercury for free?: Yes. Mercury has a free tier, so you can try it without paying. Pennylane starts at On request.
What is Mercury best used for?: Mercury is most often used for business banking and payments for startups, managing treasury, invoicing and corporate cards from one account. Of those, business banking and payments for startups and managing treasury, invoicing and corporate cards from one account are not what Pennylane is typically brought in for.
What can Mercury do that Pennylane cannot?: Mercury covers Business checking, Savings accounts, Virtual cards, Team management.

Answered from the vendors’ own pages

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

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

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

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

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

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

Mercury vs Pennylane

Mercury

Pennylane

The short version

Where they differ

What each one covers

Only in Mercury

Only in Pennylane

What people use each for

Mercury

Pennylane

Where each one falls short

Mercury

Pennylane

Pricing, plan by plan

Mercury

Pennylane

Which should you pick?

Choose Mercury if

Choose Pennylane if

Questions people ask

Answered from the vendors’ own pages

Related pages

More on Mercury

More on Pennylane

Keep looking

Other head to heads