Alternatives
10 best Caktus alternatives
Tools that cover the same task as Caktus (writing), ranked by how completely their pricing, free tier and API access are documented. Checked Oct 4, 2026.
- Caktus starts at
- $15/mo
- Free plan
- Free trial
- API
- API unknown
- 01
AssignmentGPT
AssignmentGPT AI is a student-focused writing and homework assistant covering essays, math solvers, code help, diagrams, and upload-image Q&A. Public pricing lists tiered word limits, multilingual support on higher plans, and promotional monthly rates on paid subscriptions.
Best for: Students and educators who want AI help across assignments, math, coding, and content writing from one dashboard.
- 02
BypassDetection
Humbot (also referenced under BypassDetection branding) is an all-in-one AI study and writing suite with humanizer, detector, plagiarism and grammar checks, ChatPDF, math helpers, and summarizers. It targets students and writers who want originality-focused rewriting and study tools together.
Best for: Students and writers who need humanization, detection checks, and study helpers in one subscription.
- 03
Charley
Charley.ai is an AI writing assistant for students that generates essays, research outlines, citations, and plagiarism checks from assignment uploads. The workflow walks users from rubric ingestion through AI drafting, style matching, and export-ready documents.
Best for: High school and university students who need guided essay drafts with citation and plagiarism tooling.
- 04
Tshabok AI
Tshabok.ai automates QA by generating software test cases from uploaded documentation or from AI-created requirements. QA teams upload docs or links, and the service produces structured test cases with tiered monthly plans based on document and web-link credits.
Best for: QA engineers and software teams that want AI-generated test cases from requirements, specs, or web links.
- 05
Avidnote
Avidnote helps researchers read, write, and analyze academic work with AI templates. Users upload papers for Q&A and summarization, draft literature reviews, run quantitative analysis, and transcribe or code qualitative interviews in one workspace.
Best for: Academic and industry researchers who want AI-assisted reading, writing, transcription, and data analysis in a dedicated research notebook.
- 06
PerfectEssayWriter
PerfectEssayWriter.ai is a suite of more than 30 AI writing and academic tools spanning essay drafting, grammar, paraphrasing, grading, plagiarism checks, and citations. Students start on a permanent free account and upgrade for higher monthly word and checker limits across Standard, Pro, and Premium plans.
Best for: Students and academic writers who need bundled essay, grammar, detector, and citation tools in one subscription.
- 07
AI Essay Grader
GraderAI (AI Essay Grader) helps K-12 and college teachers score essays against custom rubrics with plagiarism and AI-detection signals. It advertises bulk uploads, Google Classroom and Canvas sync, OCR for handwritten work, and analytics dashboards for student growth.
Best for: Teachers and departments who need faster rubric-based essay feedback with LMS integrations and compliance-focused handling.
- 08
UndetectedGPT
UndetectedGPT humanizes AI-generated text, runs Ghost Writer drafting, and bundles AI detection across major checker brands. The vendor sells monthly Plus, Pro, and Max plans with credits, boosts, and higher per-request word limits, plus a documented API and MCP integration for other apps.
Best for: Writers and students who draft with mainstream AI tools and want rewriter, detector, and tone controls before publishing or submitting work.
- 09
GetGenie
GetGenie is an AI SEO writing assistant for WordPress and beyond that helps teams research keywords, draft content, and optimize for search and AI citations. It bundles blog wizards, SERP analysis, Genie Chat, and image generation into one content workflow.
Best for: WordPress publishers and SEO teams who want AI drafting, keyword research, and optimization in the same tool.
- 10
Icedrive
New users can start with 10 GB free before upgrading to higher-capacity Pro plans for larger libraries.
Best for: Individuals and professionals who want encrypted cloud storage with straightforward monthly Pro upgrades.
Caktus alternatives: common questions
What is the best free alternative to Caktus?
BypassDetection has an ongoing free plan. Free plan includes 200 basic words per month with a 100-word input limit per the published product list Free plans change, so check the vendor before relying on one.
What is the cheapest Caktus alternative?
AssignmentGPT has the lowest listed starting price at $2.91/mo, compared with $15/mo for Caktus.
Which Caktus alternatives have an API?
BypassDetection, UndetectedGPT mention API or developer access.