Side by side
Invoice Simple vs Lago
Both stand on billing and invoicing software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan AndroidiPhoneWeb
Choose Invoice Simple if you need straightforward invoicing, estimates, receipts, payment options, and small-business reporting across mobile and web. Consider another service if your workflow exceeds the monthly invoice limits of Essentials or Plus.
Visit Invoice Simple
Free plan Open source APISelf-hostedWeb
Lago covers multiple billing models and gives developers several connection options, including separate metering for AI token categories. The free plan is self-hosted; Premium pricing and some feature limits require closer review.
Visit LagoThe facts
| Invoice Simple | Lago | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Yes |
| Runs on | Android, iPhone, Web | API, Self-hosted, Web |
| Lowest paid plan | Essentials: $69.99 a year | Free or on request |
| Plans published | 6 | 4 |
| Maker | Not published | Not published |
| Website | invoicesimple.com | getlago.com |
| On billing and invoicing software | #6 of 29 | #2 of 29 |
Invoice Simple: what it does well
- More than 60 customizable invoice and estimate templates
- Approved estimates convert to invoices in one click
- Card, ACH, PayPal, and Venmo payments
- Receipt scanning captures expense details
- Reports cover revenue, expenses, clients, and trends
What to know first
- Essentials limits users to 3 invoices per month
- Plus allows up to 10 invoices per month
- ACH and Venmo are listed as US-only
- Paid plans range from 6.99 to 21.99 USD monthly
Lago: what it does well
- Supports usage, subscription, prepaid, and hybrid billing
- Meters AI input, output, and cached tokens separately
- Offers REST API, SDKs, and signed webhooks
- Open-source self-hosted plan is free
- Cloud or self-hosted Premium deployment
What to know first
- Premium pricing is provided after contacting Lago
- Some features are add-ons or subject to caps
- 24x7 incident management is an on-demand add-on
Alternatives to Invoice Simple Alternatives to Lago The whole list