Cooper

Best Subscription Billing according to AI

How ChatGPT, Gemini, Claude and Perplexity rank subscription billing platform in the Edition 3 snapshot for Week 30, July 26, 2026: 18 products named across 4 core questions, backed by 77 cited pages from 52 domains.

Shows which products assistants recommend when asked for the best options in this category. This is Cooper’s primary public ranking.Shows which products assistants recommend for buyers prioritizing affordability. It is scored as its own direct question.Shows which products assistants recommend for buyers prioritizing ease of setup. It is scored as its own direct question.Shows which newer or emerging products assistants recommend. It is scored as its own direct question.Summarizes the cited pages and publisher domains behind this category’s measured answers. Product counts include only evidence Cooper verified for that product.

Buyer question guide

Best
Shows which products assistants recommend when asked for the best options in this category. This is Cooper’s primary public ranking.See the query matrix
Most affordable
Shows which products assistants recommend for buyers prioritizing affordability. It is scored as its own direct question.See the query matrix
Easiest to set up
Shows which products assistants recommend for buyers prioritizing ease of setup. It is scored as its own direct question.See the query matrix
Rising
Shows which newer or emerging products assistants recommend. It is scored as its own direct question.See AIQ scoring scopes
Sources & Mentions
Summarizes the cited pages and publisher domains behind this category’s measured answers. Product counts include only evidence Cooper verified for that product.See evidence methodology

Column guide

Rank
The product’s position in the selected ranking, ordered by AIQ. Lower numbers are better.How to interpret AIQ
Product
The canonical software product Cooper identified in the assistants’ answers.See product validation
AIQ
A 1–100 score for how strongly tracked AI assistants recommend the product in this category and question scope. Higher is better.Learn how AIQ works
ChatGPT
The product’s position within ChatGPT’s answers for the selected buyer-question view. Lower numbers are better.See how positions affect AIQ
Gemini
The product’s position within Gemini’s answers for the selected buyer-question view. Lower numbers are better.See how positions affect AIQ
Claude
The product’s position within Claude’s answers for the selected buyer-question view. Lower numbers are better.See how positions affect AIQ
Perplexity
The product’s position within Perplexity’s answers for the selected buyer-question view. Lower numbers are better.See how positions affect AIQ
Sources
Distinct publisher domains behind the verified cited pages for this product, across every buyer question this week.See evidence methodology
Mentions
Distinct cited pages Cooper verified as naming or representing the product, across every buyer question this week.See evidence methodology
Change
The change in ranking position since the previous weekly snapshot. New means there was no prior position.See snapshot policy
Rank		The canonical software product Cooper identified in the assistants’ answers.A 1–100 score for how strongly tracked AI assistants recommend the product in this category and question scope. Higher is better.The product’s position within ChatGPT’s answers for the selected buyer-question view. Lower numbers are better.The product’s position within Gemini’s answers for the selected buyer-question view. Lower numbers are better.The product’s position within Claude’s answers for the selected buyer-question view. Lower numbers are better.The product’s position within Perplexity’s answers for the selected buyer-question view. Lower numbers are better.Distinct publisher domains behind the verified cited pages for this product, across every buyer question this week.Distinct cited pages Cooper verified as naming or representing the product, across every buyer question this week.The change in ranking position since the previous weekly snapshot. New means there was no prior position.
Square Subscriptions
551---22New this week
Chargebee
4422732126Down 1 position
Stripe Billing
3333421721No change
4
Wave
25-1--··New this week
5
Lemon Squeezy
15--1-23No change
6
GoCardless
144---58Up 8 positions
7
Stigg
115---11New this week
8
Billsby
107-8-22Up 7 positions
9
Zoho Billing
98-6-56Down 5 positions
10
OpenMeter
96---12New this week
11
FastSpring
8--2-79Down 3 positions
12
Recurly
79--41822Down 5 positions
13
FreshBooks
6-4--11Down 2 positions
14
Whop
5---111New this week
15
Paddle
5--3-1113Down 9 positions
16
Lago
3--5-12Down 14 positions
17
ChargeOver
2--9-22Down 5 positions
18
Cheddar
2--10-11New this week
19
Zuora
1---51418New this week

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