Best Usage-Based Billing Software in 2026
Updated
In short: Aforo is ranked #1 of 27 as of 4 October 2026, ahead of Flexprice and Lago. The best-ranked option with a free plan is Flexprice. The lowest first paid tier on this page is Credyt at $1/mo.
When charges depend on customer activity, the path from usage events to a rated invoice is a useful place to compare options. This ranked set begins with Aforo, Flexprice and Solvimon. Compare API metering and event ingestion with the billing models and rating methods shown for each entry; invoice generation and prepaid credits add further points to consider. Free-plan availability and paid starting prices help frame the listed cost details. The criteria can help you assess whether an option’s described billing approach matches the activity you need to measure and how you charge for it.
27 usage-based billing software ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
#1 Aforo Top pick · 7.0 Free plan · Free
#2 Flexprice Runner-up · 7.0 Free plan · $299/mo
#3 Lago Also great · 7.0 Free plan · Free
- Free plan apiWeb
- Free plan
- Yes
- Billing model
- hybrid
- API metering
- Yes
- Event ingestion
- Yes
- Prepaid credits
- Yes
RecognisedDocumentedPlatformsFree planFree trial - Free plan apiWeb
- Free plan
- Yes
- Paid from
- 299 /mo
- Billing model
- subscription-plus-usage
- API metering
- Yes
- Event ingestion
- Yes
- Prepaid credits
- Yes
RecognisedDocumentedPlatformsFree planFree trial$299/mofirst paid tier About FlexpriceVisit site - Free plan apiself-hostedWeb
- Free plan
- Yes
RecognisedDocumentedPlatformsFree planFree trialFree About LagoVisit site - Free plan apiWeb
- Free plan
- No
- Paid from
- 2,500 /mo
- Billing model
- hybrid
- API metering
- Yes
- Event ingestion
- Yes
- Prepaid credits
- Yes
RecognisedDocumentedPlatformsFree planFree trial$2,500/mofirst paid tier About SolvimonVisit site - Free plan apiWeb
- Free plan
- Yes
- Paid from
- 1 /mo
- Billing model
- hybrid
- API metering
- Yes
- Event ingestion
- Yes
- Prepaid credits
- Yes
RecognisedDocumentedPlatformsFree planFree trial$1/mofirst paid tier About CredytVisit site - Free trial apiWeb
- Free plan
- No
- Paid from
- 799 /mo
- Billing model
- hybrid
- API metering
- Yes
- Event ingestion
- Yes
- Prepaid credits
- Yes
RecognisedDocumentedPlatformsFree planFree trial$799/mofirst paid tier About Sequence CPQVisit site - Free trial apiWeb
- Free plan
- No
RecognisedDocumentedPlatformsFree planFree trial - Free trial apiWebRecognisedDocumentedPlatformsFree planFree trial
- apiWebRecognisedDocumentedPlatformsFree planFree trial
- apiWeb
- Free plan
- Yes
- Paid from
- 99 /mo
- Billing model
- subscription-plus-usage
- API metering
- Yes
- Event ingestion
- Yes
- Prepaid credits
- Yes
RecognisedDocumentedPlatformsFree planFree trial$99/mofirst paid tier About CheddarVisit site - apiWeb
- Free plan
- No
- Paid from
- 299 /mo
- Billing model
- hybrid
- API metering
- Yes
- Event ingestion
- Yes
- Prepaid credits
- Yes
RecognisedDocumentedPlatformsFree planFree trial$299/mofirst paid tier About HyperlineVisit site - apiWeb
- Free plan
- No
- Paid from
- 500 /mo
- Billing model
- hybrid
- API metering
- Yes
- Event ingestion
- Yes
- Prepaid credits
- Yes
RecognisedDocumentedPlatformsFree planFree trial$500/mofirst paid tier About MeasureVisit site - Web
- Billing model
- hybrid
- API metering
- Yes
- Event ingestion
- Yes
RecognisedDocumentedPlatformsFree planFree trial - apiWebRecognisedDocumentedPlatformsFree planFree trial$500/mofirst paid tier About Tridens MonetizationVisit site
- apiWebRecognisedDocumentedPlatformsFree planFree trial$37,500/mofirst paid tier About GotransverseVisit site
- Web
- Free plan
- No
RecognisedDocumentedPlatformsFree planFree trial - Web
- Billing model
- hybrid
- API metering
- Yes
- Event ingestion
- Yes
- Prepaid credits
- Yes
RecognisedDocumentedPlatformsFree planFree trial - Web
- Billing model
- hybrid
- API metering
- Yes
- Event ingestion
- Yes
- Prepaid credits
- Yes
RecognisedDocumentedPlatformsFree planFree trial - Web
- Free plan
- No
- Billing model
- hybrid
- API metering
- Yes
- Event ingestion
- Yes
- Prepaid credits
- Yes
RecognisedDocumentedPlatformsFree planFree trial - Web
- Billing model
- hybrid
- API metering
- Yes
- Event ingestion
- Yes
- Prepaid credits
- Yes
RecognisedDocumentedPlatformsFree planFree trial - WebRecognisedDocumentedPlatformsFree planFree trial€219/mofirst paid tier About MeteroidVisit site
-
- Free plan
- No
- Paid from
- 99 /mo
RecognisedDocumentedPlatformsFree planFree trial$99/mofirst paid tier About AmberfloVisit site - WebRecognisedDocumentedPlatformsFree planFree trial
-
- Billing model
- hybrid
- API metering
- Yes
- Event ingestion
- Yes
RecognisedDocumentedPlatformsFree planFree trial - RecognisedDocumentedPlatformsFree planFree trial
Is your tool on this list?
Numbered spots on this list can be sponsored. They are labelled, and the editorial order and scores never change for payment.
Questions about this list
Which usage-based billing software is ranked first on Specifiction?
Aforo is ranked #1 of 27 with a score of 7.0. Flexprice is second and Lago third.
How many of these have a free plan?
5 of the 25 on this page publish a free plan on their own pricing pages.
Which is the cheapest paid option?
On this page, Credyt has the lowest first paid tier we found: $1/mo.
How is this list ranked?
Ranked on what each maker publishes, the fullest spec sheet first: how deeply the product is documented, the platforms it runs on, a free tier or trial to test it, and its standing. Paid placements never change a rank.