Sapling
AI rephrasing, autocomplete and an AI content detector sit beside the grammar checker.
Grammar checking, snippets and autocomplete inside help desks and CRMs, also sold to developers as an API.
- Starting price
- Free; Pro $25 / month
- Free trial
- Free tier; 1-month free trial of Pro
- Output
- Grammar, spelling and style corrections, autocomplete suggestions and AI detection scores
Overview
Sapling is a writing assistant for customer-facing teams that checks grammar and spelling and suggests completions inside help desks, CRMs, browsers and office apps. It is also sold to developers as an API and SDK that return the same corrections as JSON for their own editors. Individuals get a free tier and a monthly or annual subscription, teams are priced per seat, and the API is billed by usage.
Our take
Sapling is the pick for a support or sales team that writes most of its words inside a help desk or CRM and wants checking, snippets and autocomplete there, with the option to host it themselves. If you are an individual writer polishing essays or articles, Grammarly or ProWritingAid fit that job more closely. Teams writing mostly in languages other than English should compare LanguageTool instead, because Sapling reserves its other languages for the Enterprise plan.
Key Facts
| Category | |
|---|---|
| Starting price | Free; Pro $25 / month Pro is $12 per month billed annually. Enterprise starts at 10 seats at $15 per seat per month. The API is billed by usage with a one-time $5 minimum. |
| Free trial | Free tier; 1-month free trial of Pro |
| Output | Grammar, spelling and style corrections, autocomplete suggestions and AI detection scores |
| API | Yes, usage-based REST API with Python and JavaScript SDKs, grammar checking from $0.025 per 1,000 input characters |
| Hosting | Cloud (SaaS) on Amazon Web Services; self-hosted deployment on Enterprise |
Screenshots
Placeholders. They are replaced as soon as the vendor sends material, and both open the same short form.
Features
- What it works on
- Messages, replies, emails and documents written in help desks, CRMs, chat tools and office apps, checked as they are typed
- Checks covered
- Grammar, spelling, punctuation and style, with advanced writing suggestions on Pro and Enterprise. Separate checkers for tone, inclusive language and AI-generated text
- Style guide and tone
- A style guide checker against your own house-style rules, a shared snippet library with text expansion (20 snippets free, unlimited on Pro), and custom dictionaries and mappings through the API
- Scores and reports
- A writing quality score from 1 to 5 with per-sentence scores, Flesch-Kincaid readability, and an AI detector with an overall score plus per-sentence predictions. Team analytics on Enterprise
- AI rewriting
- Yes, Rephrase rewrites for tone, formality and clarity, and autocomplete works across apps, both on Pro and Enterprise; suggested replies (Chat assist) on Enterprise
- Languages
- Grammar and spelling in English, Chinese, Dutch, German, Korean, Spanish, French, Italian, Japanese, Polish, Portuguese and Swedish, spelling only in more than two dozen others. Languages other than English are part of the Enterprise product
- Where it runs
- Browser extensions for Chrome, Firefox and Edge, with setup guides for Opera and Brave, add-ons for Google Docs, Google Slides, Word, Gmail, Outlook and PowerPoint, more than 70 integration guides for help desks, CRMs and editors, and an SDK for rich-text editors. Self-hosted on Enterprise
- Privacy and data handling
- SOC 2 Type II certified and GDPR compliant, with support for HIPAA and PCI requirements, TLS in transit and AES-256 at rest. Enterprise adds custom storage and retention options and self-hosting
- Teams and sharing
- Yes, Enterprise from 10 seats adds domain administration, team analytics, bulk user provisioning, SSO and SCIM, audit logs and role-based access
- API
- Yes, a usage-based REST API for grammar, AI detection, rephrasing, sentiment and more, with Python and JavaScript SDKs and an official MCP server; grammar checking from $0.025 per 1,000 input characters, one-time $5 minimum
Integrations
- Chrome
- Mozilla Firefox
- Microsoft Edge
- Google Docs
- Google Slides
- Microsoft Word
- Gmail
- Outlook
- PowerPoint
- Zendesk
- Salesforce
- ServiceNow
- Amazon Connect
- Twilio Flex
- Intercom
- Freshdesk
- HubSpot
- Slack
- Microsoft Teams
- TinyMCE
- CKEditor
Deployment and Support
- Deployment
-
- Cloud (SaaS)
- Browser-based
- On-premise
- Support
-
- Email helpdesk
- Onboarding
-
- Documentation and knowledge base
- Company size
-
- Freelancers
- Small and mid-sized
- Enterprise
Pros and Cons
Strengths
- Works inside help desks, CRMs and messaging tools, with more than 70 integration guides
- Self-hosted deployment for HIPAA and PCI requirements
- Usage-based API with Python and JavaScript SDKs
- Shared snippets and autocomplete for repetitive replies
Limitations
- Languages other than English are reserved for the Enterprise plan
- Team features start at 10 seats
- The free tier limits AI detector checks to 2,000 characters
Pricing
-
Free
$0
Basic writing suggestions, 20 snippets, AI detector checks up to 2,000 characters.
-
Pro
$25
Per month, or $12 per month billed annually. Advanced suggestions, unlimited snippets, autocomplete, rephrasing, AI detector checks up to 100,000 characters, email and ticket support.
-
Enterprise
$15
Per seat per month, from 10 seats. Adds Chat assist, custom integrations, self-hosting, SSO and SCIM, team analytics and a dedicated support contact.
-
API
Usage-based
Metered language and AI detection APIs, one-time $5 minimum.
Alternatives and Comparisons
What users say
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