30 usage-based billing apps in one list: the established products, and every new one as it launches.
Updated
11 apps launched in the last 12 months, by month.
“usage-based billing software” is searched 260 times a month on Google worldwide. These are the 25 searches around it, in the US.
| Search | Per month, US | Cost per click |
|---|---|---|
| subscription management software | 480 | $112.12 |
| metronome company | 320 | $8.56 |
| metronome ai | 260 | $18.57 |
| metronome software | 260 | $82.19 |
| stripe usage-based billing | 260 | $26.70 |
| automatic billing software | 210 | $140.09 |
| stripe billing pricing | 170 | $4.62 |
| metronome docs | 140 | - |
| usage-based billing platform | 110 | $80.97 |
| metronome usage-based billing | 70 | $68.28 |
| best subscription billing software | 50 | - |
| best recurring billing software | 40 | $93.92 |
| best saas billing software | 40 | - |
| subscription management software free | 30 | $15.23 |
| metronome series c | 20 | - |
Cost per click is what advertisers bid for one visit from that search. Figures from Oct 2026.
The apps we added to this market most recently.
| # | App | Added |
|---|---|---|
| 1 |  UsageGate UsageGate checks every request | |
| 2 | Polar Polar is an open source, developer-first monetization platform and Merchant of Record for software companies — handling payments, subscriptions, usage-based billing, and global tax compliance. | |
| 3 |  ReqKey API keys, credits, rate limits and analytics — one call | |
| 4 | MC MCP-Billing Self-hosted Next.js/TypeScript boilerplate: full OAuth 2.1 + PKCE, API key management with zero-downtime rotation, usage-based Stripe billing, and Redis rate limiting. 7 modules, 300+ tests. One-time €79, no revenue share, no platform lock-in. The metering core is free and open source on npm. | |
| 5 | Solvimon Meter, bill, and collect for hybrid and usage-based pricing | |
| 6 |  UnitPay UnitPay is the monetization OS for AI companies. Design pricing, run usage-based billing, track inference costs and margins in real time, and show every customer the value they're actually getting — all in one system. Built ground-up for AI-native products: credits, hybrid pricing, per-token metering, cost tracking. Free until you hit $500K ARR. | |
| 7 |  Subotiz The Subscription Growth Engine built for AI and SaaS. Get paid as early as T+7, native token metering, and global tax compliance out-of-the-box. | |
| 8 |  Kelviq Kelviq is the complete monetization platform for SaaS, AI, and digital products. It handles payments, global tax, subscriptions, usage-based billing, digital delivery, license keys, and compliance in one place, for 3.5% + 40¢ per transaction. | |
| 9 |  noirdoc Open-source plugin that redacts PII before Claude Code reads it. Names, emails, and IBANs become placeholders Claude sees; you reveal originals locally. Same engine ships as a CLI for any LLM and a hosted proxy for OpenAI/Anthropic/Azure. | |
| 10 |  Billing Atlas Choose your SaaS billing setup with confidence | |
| 11 | UN UniBee Subscription billing platform with usage metering and insights | |
| 12 | LI Limitr Pricing infrastructure for AI/SaaS products |
The products every new one is compared with.
| App | Launched | Monthly visits | Store ratings |
|---|---|---|---|
| * | 3,402 | - |
* Launch date estimated.
Grouped by what each app says it does. 18 of 30 apps fit a group so far.
| Type | Apps | Share | Examples |
|---|---|---|---|
| Usage metering and billing | 7 | 38.9% | Amberflo, Flexprice, Lago |
| AI monetization and billing | 6 | 33.3% | Credyt, Creem, Kelviq |
| API access and billing | 2 | 11.1% | MCP-Billing, ReqKey |
What we could detect on their websites.
| Framework | Apps | Share |
|---|---|---|
| Next.js | 8 | 61.5% |
Of 13 apps whose framework we could detect.
| Host | Apps | Share |
|---|---|---|
| Vercel | 9 | 90.0% |
Of 10 apps whose host we could detect.
How many of the 30 apps show a price, and how many sell to large companies.
| Measure | Apps | Share of 30 |
|---|---|---|
| Publish a pricing page | 21 | 70.0% |
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