OpenMeter vs FastSpring: Which Should You Choose in 2026?
Choosing between OpenMeter and FastSpring comes down to understanding what each tool does best. This comparison breaks down the key differences so you can make an informed decision based on your specific needs, not marketing claims.
By Toolradar Team · Last updated February 28, 2026 · Methodology
Short on time? Here's the quick answer
We've tested both tools. Here's who should pick what:
OpenMeter
Open-source billing and usage metering for AI and API companies.
Best for you if:
- • You need something completely free
- • You need invoicing features specifically
- • Provides real-time usage metering and billing for AI and API products.
- • Enables flexible usage-based pricing models and rapid product catalog changes.
FastSpring
All-in-one digital commerce platform for SaaS, software, and digital goods, handling payments, subscriptions, and global tax compliance.
Best for you if:
- • You want the higher-rated option (8.8/10 vs 0.0/10)
- • You need tax software features specifically
- • Manages global payments, subscriptions, and sales tax compliance for digital products.
- • Acts as a Merchant of Record, simplifying international sales and regulatory adherence.
| At a Glance |  OpenMeter |  FastSpring |
|---|---|---|
Price | Free | Paid |
Best For | Invoicing | Tax Software |
Rating | —/100 | 88/100 |
| Feature | OpenMeter | FastSpring |
|---|---|---|
| Pricing Model | Free | Paid |
| Editorial Score | — | 88 |
| Community Rating | No ratings yet | No ratings yet |
| Total Reviews | 0 | 0 |
| Community Upvotes | 0 | 0 |
| Categories | InvoicingSubscription Billing | Tax SoftwarePayment Processing |
How OpenMeter and FastSpring Compare
OpenMeter
Open-source billing and usage metering for AI and API companies.
Free
FastSpring
All-in-one digital commerce platform for SaaS, software, and digital goods, handling payments, subscriptions, and global tax compliance.
Paid · 88/100 score
OpenMeter is a invoicing tool. FastSpring is in tax software.
Who Should Use What?
On a budget?
OpenMeter is free. FastSpring is paid.
Go with: OpenMeter
Want the highest-rated option?
FastSpring scores 88/100. OpenMeter is unrated.
Go with: FastSpring
Value user reviews?
Neither has user reviews yet.
Go with: FastSpring
3 Questions to Help You Decide
What's your budget?
OpenMeter is free. FastSpring is paid. Go with OpenMeter if free matters most.
What's your use case?
OpenMeter is a invoicing tool. FastSpring is in tax software. Pick the category that matches your needs.
How important are ratings?
Not all tools have been rated yet.
Key Takeaways
FastSpring
- Higher score: 88/100 vs unrated
- Our pick for this comparison
OpenMeter
- Completely free
- Better fit for invoicing
The Bottom Line
FastSpring (88/100) is our pick. That said, OpenMeter is free — hard to beat on price.
Frequently Asked Questions
Is OpenMeter or FastSpring better?
FastSpring scores 88/100 in our evaluation. OpenMeter is free and FastSpring is paid.
What are OpenMeter and FastSpring used for?
OpenMeter: Open-source billing and usage metering for AI and API companies.. FastSpring: All-in-one digital commerce platform for SaaS, software, and digital goods, handling payments, subscriptions, and global tax compliance..
What does OpenMeter cost vs FastSpring?
OpenMeter is completely free. FastSpring is a paid tool. Visit their websites for detailed pricing.