Shortlist by what you need
Start here if you know why you are leaving Pismo.
Want the closest match?
KAI KeyboardMost similar to Pismo in what it does, its category and its price.
Visit (opens KAI Keyboard in a new tab)Need a free plan?
LinguixHas a free plan, rated 3.9 out of 5. Pismo has none.
Visit (opens Linguix in a new tab)Want the lowest price?
CowriterFrom $19/mo, the lowest starting price here.
Visit (opens Cowriter in a new tab)Want the best rated?
TextCortexRated 3.7 out of 5 in our review, against 3.7 for Pismo.
Visit (opens TextCortex in a new tab)
At a glance
Green means better than Pismo, red means worse. Prices are starting prices per month.
| Tool | Our rating | Starts at | Free plan | Best for | Compare |
|---|---|---|---|---|---|
 PismoBaseline | 3.7 | Not listed | No | A native Mac and Windows writing assistant that works inside email, documents and browsers. | |
| KAI Keyboard | 3.3−0.4 | Not listed | No | ChatGPT built directly into your iPhone keyboard - get AI writing help inside any app you're already typing in, no switching to a separate chat app. | vs Pismo |
| TextCortex | 3.7Same | Free | YesPismo has none | AI writing platform that grounds every draft in your own uploaded knowledge base, routes prompts across multiple LLMs, and works inside 30,000+ apps through its browser extension. | vs Pismo |
| Cowriter | 3.8+0.1 | $19/mo | No | Cowriter sits inside a research document, suggesting words, fixing grammar, and generating citations built for academic writing. | vs Pismo |
| Linguix | 3.9+0.2 | $10/mo | YesPismo has none | Grammar checker and AI writing assistant that works across any website | vs Pismo |
 LanguagePro | 2.8−0.9 | Not listed | No | GPT-powered writing assistant with translation, grammar correction, AI characters to chat with, and a Siri-integrated bot assistant - despite the name, built for writing, not language learning. | vs Pismo |
 Plagiarism Checker X | 3.6−0.1 | $39.95/mo | YesPismo has none | Windows desktop plagiarism checker that compares a document against billions of web pages and against other documents, with an AI Content Detector that indicates whether text came from an AI tool. | vs Pismo |
 EasyWrite | 2.9−0.8 | Free | YesPismo has none | A free AI writer that generates text across formats in the browser, with no account wall before you see what it produces. | vs Pismo |
 InstaText | 3.7Same | Free | YesPismo has none | Interactive editing for non-native writers - it shows what changed and why, rather than silently replacing your text. | vs Pismo |
The alternatives in detail
In order of how closely each one matches Pismo.
KAI Keyboard
3.3Not listed
vs Pismo−0.4
ChatGPT built directly into your iPhone keyboard - get AI writing help inside any app you're already typing in, no switching to a separate chat app.
- ChatGPT integrated directly into the iPhone system keyboard
- Works across any app with a text field
- No app-switching required for AI writing assistance
Available in every app that accepts text, not just one dedicated destination app
Pricing isn't shown on the landing page
TextCortex
3.7Free
vs PismoSameFree plan
AI writing platform that grounds every draft in your own uploaded knowledge base, routes prompts across multiple LLMs, and works inside 30,000+ apps through its browser extension.
- AI drafting, rewriting, and summarization grounded in a custom knowledge base
- No-code AI agent builder and multi-LLM model hub
- Browser extension working inside 30,000+ apps
Browser extension reach (30,000+ apps) avoids constant context-switching
Free tier's 20 daily creations is limiting for regular use
Cowriter
3.8$19/mo
vs Pismo+0.1
Cowriter sits inside a research document, suggesting words, fixing grammar, and generating citations built for academic writing.
- Inline word and sentence suggestions while typing
- Automatic grammar and spelling correction built into the writing surface
- Citation generation for research papers
Built specifically for academic and research writing rather than general copy
Free trial is capped at 20 prompts, not a standing free tier
Linguix
3.9$10/mo
vs Pismo+0.2Free plan
Grammar checker and AI writing assistant that works across any website.
- Grammar and clarity correction on any website
- Tone and length rewriting
- Shared snippets across a team
Corrects where the writing happens rather than in a separate editor
Correction quality is close to competitors, so differentiation is thin
LanguagePro
2.8Not listed
vs Pismo−0.9
GPT-powered writing assistant with translation, grammar correction, AI characters to chat with, and a Siri-integrated bot assistant - despite the name, built for writing, not language learning.
- AI Writer for translation and grammar correction
- Bot Assistant with Siri integration on iOS
- AI Characters for open-ended conversation with virtual personalities
Siri integration makes it usable hands-free, unlike most writing assistants
iOS only - no Android or web version
Plagiarism Checker X
3.6$39.95/mo
vs Pismo−0.1Free plan
Windows desktop plagiarism checker that compares a document against billions of web pages and against other documents, with an AI Content Detector that indicates whether text came from an AI tool.
- AI Content Detector that indicates AI-written text
- Scans against billions of web pages
- Compares documents against each other
Files are not uploaded to an external database
Windows only
EasyWrite
2.9Free
vs Pismo−0.8Free plan
A free AI writer that generates text across formats in the browser, with no account wall before you see what it produces.
- Free AI text generation across common writing formats
- Browser-based with nothing to install
- No trial countdown or upfront subscription decision
Free with no subscription decision before you can judge the output
General-purpose, so a specialist tool will beat it on any specific format
InstaText
3.7Free
vs PismoSameFree plan
Interactive editing for non-native writers - it shows what changed and why, rather than silently replacing your text.
- Interactive editing with changes shown for approval
- Built for second-language writers
- Clarity, flow and word choice improvements
Showing each change keeps authorial control over meaning
Improves expression, not argument or evidence
FAQ
Questions people ask
Is Pismo free?
Pismo does not list a free plan. Check its pricing page for current plans.
What is the best free alternative to Pismo?
Linguix is the highest-rated alternative here with a free plan (3.9 out of 5). Other free options: TextCortex, InstaText, Plagiarism Checker X.
What is the cheapest alternative to Pismo?
Among paid plans, Linguix has the lowest starting price (from $10/mo). If you need it free, start with Linguix.
How did you pick these alternatives?
We match tools on what they do, their category and their price, using the details in our directory. Ratings come from our reviews and reader reviews.