Softwr

Accounting · head to head

Invoice2go vs Polar

Invoice2go logo

Invoice2go

Accounting

Mobile-first invoicing app for small businesses and freelancers

From
On request
Rated
-
Full reviewWebsite
Polar logo

Polar

Accounting

Billing and revenue platform for AI and infrastructure companies

From
Free
Rated
-
Full reviewWebsite

The short version

  • Only Polar has a free tier, so it costs nothing to try first.
  • Each has a real cost: Invoice2go starter plan caps invoices at just 30 per year, forcing an upgrade for most active businesses.; Polar percentage-based fees higher than some specialized processors for high-volume transactions
  • They diverge on capability: Invoice2go covers Invoice creation and customization, Polar covers Usage Billing.

Where they differ

Only the attributes on which Invoice2go and Polar actually diverge.

Attributes where Invoice2go and Polar differ
AttributeInvoice2goPolar
Starting priceOn requestFree
Pricing modelsubscriptionPercentage of transaction plus per-transaction fee
Free tierNoYes
Platformsweb, ios, androidWeb, API

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 Invoice2go

  • Invoice creation and customization
  • Estimates and projects
  • In-app payments
  • Automated reminders
  • Accounting integrations
  • Team member access

Only in Polar

  • Usage Billing
  • Subscriptions
  • Seat Management
  • Prepaid Credits
  • Hosted Checkout
  • Cost Insights
  • Merchant of Record

What people use each for

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

Invoice2go

  • Freelancers invoicing clients from a mobile devicenot Polar
  • Small service businesses tracking estimates and projectsnot Polar
  • Businesses wanting integrated card and ACH paymentsnot Polar
  • Businesses syncing invoices with QuickBooks or Xeronot Polar

Polar

  • Billing for token and API call consumption by LLM applicationsnot Invoice2go
  • Managing tiered pricing for infrastructure usage-based servicesnot Invoice2go
  • Handling subscription and usage hybrid modelsnot Invoice2go
  • Monetizing AI APIs with usage metering and creditsnot Invoice2go

Where each one falls short

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

Invoice2go

  • Starter plan caps invoices at just 30 per year, forcing an upgrade for most active businesses.
  • Card processing fees are higher than some dedicated payment processors.
  • Accounting integrations are limited to QuickBooks and Xero, excluding other platforms.
  • Premium plan requires roughly $100k+/year revenue to be cost-effective, per its own positioning.

Polar

  • Percentage-based fees higher than some specialized processors for high-volume transactions
  • Merchant of record model may not suit companies preferring direct payment control
  • Free Starter tier limited with 5% fees reducing appeal for production use
  • Setup and integration effort required despite API simplicity

Pricing, plan by plan

Invoice2go

On request
  • Starter$undefined/month
    • 30 invoices/year
    • 3.5% card payment fee
    • Free ACH bank transfers
  • Professional$undefined/month
    • 100 invoices/year
    • 3% card payment fee
    • QuickBooks/Xero integration
  • Premium$undefined/month
    • Unlimited invoices
    • 2.9% card payment fee
    • Recurring invoices

Polar

Free
  • StarterFree
    • 5% + $0.50 per transaction
    • Free tier for testing
    • Basic features
  • Pro$20/month
    • 3.8% + $0.40 per transaction
    • Full platform access
    • Cost insights
  • Growth$100/month
    • 3.6% + $0.35 per transaction
    • Priority support
    • Volume benefits
  • Scale$400/month
    • 3.4% + $0.30 per transaction
    • Dedicated support
    • Custom integration

Which should you pick?

Choose Invoice2go if

  • You need invoice creation and customization.
  • You work on web, ios, android.
  • You also want estimates and projects.
Invoice2go review

Choose Polar if

  • You need usage billing.
  • You want to start without paying.
  • You work on Web, API.
  • You also want subscriptions.
Polar review

Questions people ask

Is Invoice2go or Polar better?
Neither clearly leads. Invoice2go starts at On request and Polar at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Invoice2go or Polar?
Polar has a free tier; the other does not. Paid plans start at On request for Invoice2go and Free for Polar.
Does Invoice2go or Polar run on more platforms?
Invoice2go runs on web, ios, android. Polar runs on Web, API.
Can I use Polar for free?
Yes. Polar has a free tier, so you can try it without paying. Invoice2go starts at On request.
What is Invoice2go best used for?
Invoice2go is most often used for freelancers invoicing clients from a mobile device, small service businesses tracking estimates and projects, businesses wanting integrated card and ach payments, businesses syncing invoices with quickbooks or xero. Of those, freelancers invoicing clients from a mobile device and small service businesses tracking estimates and projects are not what Polar is typically brought in for.
What can Invoice2go do that Polar cannot?
Invoice2go covers Invoice creation and customization, Estimates and projects, In-app payments, Automated reminders. Polar covers Usage Billing, Subscriptions, Seat Management, Prepaid Credits.

Answered from the vendors’ own pages

Invoice2go: What does Invoice2go cost?

Invoice2go offers three tiers - Starter (30 invoices/year), Professional (100 invoices/year), and Premium (unlimited invoices) - distinguished by invoice volume and card processing fees from 3.5% down to 2.9%.

Source
Polar: Do you handle international payments and taxes?

Yes, Polar acts as merchant of record in 100+ markets, handling payment processing, tax collection, and compliance automatically.

Source
Invoice2go: Is there a free trial?

Yes, Invoice2go offers a 30-day free trial that requires a credit card but includes a 100% money-back guarantee if canceled within 30 days.

Source
Polar: Is there a free tier?

Yes, the Starter plan is free and charges 5% + $0.50 per transaction, ideal for testing and early-stage development.

Source
Invoice2go: Does Invoice2go integrate with accounting software?

Yes, the Professional and Premium plans include integration with QuickBooks and Xero.

Source
Polar: Do you offer discounts for startups?

Yes, the Startup Program provides the Scale plan free for 12 months for early-stage AI companies.

Source
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