Side by side
BetterMerge vs Carbone
Both stand on mail merge software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan ExtensionWeb
BetterMerge combines spreadsheet-driven personalization with scheduling and campaign tracking for Gmail. Its free plan has defined daily and monthly limits, and Gmail.com's 500-email daily cap applies across plans.
Visit BetterMerge Free plan Open source APILinuxMac+3
Carbone covers template-based document generation, conversion and multiple deployment models. Review how its data-size document counting and overage billing fit your expected workload.
Visit CarboneThe facts
| BetterMerge | Carbone | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Yes |
| Runs on | Extension, Web | API, Linux, Mac, Self-hosted, Web, Windows |
| Lowest paid plan | Free or on request | See the plans |
| Plans published | 4 | 18 |
| Maker | Not published | Not published |
| Website | bettermerge.com | carbone.io |
| On mail merge software | #2 of 27 | #1 of 27 |
BetterMerge: what it does well
- Personalizes subjects, bodies, links, images, and attachments.
- Tracks opens, clicks, and unsubscribes.
- Can write campaign activity back to Google Sheets.
- Free plan includes open and click tracking.
- Requests send-only Gmail access.
What to know first
- Free plan allows up to five campaigns per month.
- Gmail.com accounts are capped at 500 emails per day on any plan.
- Google Workspace quotas vary by plan, edition, and domain reputation.
Carbone: what it does well
- Generates PDF, DOCX, XLSX and PPTX files
- Conversion API supports more than 100 formats
- API access and bulk generation are available
- Cloud and self-hosted free options are listed
What to know first
- Extra documents beyond plan allowance are invoiced separately
- Documents are counted per 1 MB of injected data
- Cloud Essential is listed at $29.00 per month
Alternatives to BetterMerge Alternatives to Carbone The whole list

