# AI Hay vs DevCV AI Hay records 8,710,314 monthly visits with +1.5% month-over-month growth and Free pricing. DevCV records 584 monthly visits with 0% growth and Paid pricing. | Metric | [AI Hay](https://openaitools.app/tool/ai-hay) | [DevCV](https://openaitools.app/tool/devcv) | | :--- | :--- | :--- | | Website URL | https://ai-hay.vn | https://devcv.tech | | Categories | AI Answer, AI Assistant, AI Homework Helper, AI Image Recognition | AI Resume Builder, AI Developer Tools, AI Description Generator, AI Summarizer | | Pricing Model | Free | Paid | | Monthly Visits | 8,710,314 | 584 | | MoM Growth Rate | +1.5% | 0% | | Primary Market | Vietnam | Germany | | Direct Visits | 1,874,336 | 207 | | Review Score | 3.9 | 4.2 | | Saved Count | 1 | 2 | | Supported Platforms | Website | Website | ## AI Hay AI Hay is a domestic Vietnamese AI assistant whose name literally means "ask well, answer well." Its positioning is deliberately broad and informal: rather than a specialist exam-prep tool, it answers whatever a Vietnamese-speaking user throws at it, from a maths problem and an essay outline to "what is in this photo?" or "explain this joke." The interface is a straightforward chat box, which keeps the barrier to entry low for school students and casual users alike. A notable part of its feature set is image understanding combined with local cultural context. Beyond standard object recognition, AI Hay advertises the ability to identify well-known Vietnamese public figures and to explain internet memes and visual jokes — a nod to how much of young users' daily conversation happens in images and screenshots. The riddle and trick-question solving feature hits the same note: it is a playful companion as much as a study helper. On the academic side, the assistant covers maths and writing in a step-by-step style rather than simply handing over a final answer, which matters for users who want to understand a method rather than copy it. Because the whole product is delivered in Vietnamese and tuned to local curricula and references, it is often more useful to Vietnamese students than a generic global chatbot, even if the underlying capability set is similar. **Pricing & Plans:** AI Hay is listed as free to use, with no subscription required for its core chat, homework and image-recognition features. Because the product is ad- and audience-oriented, availability and any future paid tiers are best confirmed on the site itself; no specific paid pricing is published at the time of review. - **Homework and study support:** Ask a question in natural Vietnamese and get explanations covering a wide range of school subjects, framed as guidance rather than a bare answer key. - **Step-by-step maths and writing help:** Work through maths problems and literature or essay tasks with detailed reasoning so students can follow the method, not just the result. - **Image recognition and celebrity identification:** Upload or point at a photo to identify objects, scenes and well-known public figures, using Vietnamese-language context. - **Meme and riddle explanation:** Decode internet memes, visual jokes, riddles and trick questions that general-purpose assistants often misread. - **Everyday smart tips:** Get quick practical suggestions for common daily questions alongside the more academic features. **Strengths:** Fully Vietnamese-language experience tuned to local curricula and references; Combines study help with image recognition and meme or riddle explanation in one chat; Free to use with no sign-up friction for basic questions; Explanations aim at method and reasoning rather than just final answers **Limitations:** Answers should be checked against textbooks, since AI explanations can contain errors; Feature depth varies by subject and there is no published syllabus coverage list; Pricing and any premium tiers are not clearly documented on the site [Profile (Markdown)](https://openaitools.app/tool/ai-hay.md) ## DevCV DevCV solves a specific, common friction point: developers already document their work on GitHub, but turning that activity into a presentable CV is tedious. DevCV connects to your GitHub profile, retrieves the relevant project data including descriptions and technologies, and generates a nicely formatted CV in about 30 seconds. Because the raw material is your real repositories, the result reflects what you have actually built rather than a generic template. The AI layer handles the writing. Rather than asking you to compose long, creative summaries and project blurbs, DevCV uses generative AI to draft them from the retrieved data. You can then send the finished document directly to HR contacts and recruiters. The workflow is deliberately lightweight: no registration is required, and you pay per download. Updates are unlimited, so when your GitHub activity changes you can regenerate the CV without redoing the setup. **Pricing & Plans:** DevCV charges per download rather than by subscription. The $1 option includes the DevCV logo on every page, while the $2 option removes the logo. Both include unlimited CV updates, PDF download and the AI writing tools, and no registration is required. - **GitHub profile import:** Connect your GitHub account and DevCV pulls repositories, descriptions and technology tags automatically. - **One-click CV generation:** Produces a formatted developer CV in roughly 30 seconds, with no manual layout work. - **Generative AI writing:** AI drafts the professional summary and project descriptions so you do not have to write lengthy copy yourself. - **No registration required:** You can generate and download without creating an account, keeping the flow fast and low-friction. - **Unlimited updates:** Regenerate your CV as often as you like as your GitHub projects grow, at no extra cost. **Strengths:** Turns existing GitHub work into a CV with almost no manual effort.; Generative AI handles the summary and project descriptions developers often dislike writing.; No account required, and pay-per-download keeps it cheap for occasional use.; Unlimited regeneration means the CV never goes stale. **Limitations:** It depends on having a reasonably populated GitHub profile to draw from.; Output quality is tied to how well your repositories are described on GitHub.; Billing is per download, so frequent downloads add up if you keep re-ordering. [Profile (Markdown)](https://openaitools.app/tool/devcv.md) ## Frequently Asked Questions ### How do AI Hay and DevCV compare in monthly traffic? AI Hay has 8,710,314 monthly visits, while DevCV has 584. Traffic estimates describe audience size, not product quality. ### How do their growth rates compare? AI Hay has a month-over-month growth rate of +1.5%; DevCV has 0%. ### How does pricing compare? AI Hay: Free. AI Hay is listed as free to use, with no subscription required for its core chat, homework and image-recognition features. Because the product is ad- and audience-oriented, availability and any future paid tiers are best confirmed on the site itself; no specific paid pricing is published at the time of review. DevCV: Paid. DevCV charges per download rather than by subscription. The $1 option includes the DevCV logo on every page, while the $2 option removes the logo. Both include unlimited CV updates, PDF download and the AI writing tools, and no registration is required. ## Alternatives | # | Tool Name | Monthly Visits | MoM Growth Rate | Pricing Model | Summary | Profile (Markdown) | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | 1 | [ChatGPT](https://openaitools.app/tool/chatgpt-4) | 6,048,022,723 | +2.2% | Freemium | Provides superior reasoning and multi-subject tutoring, but requires custom prompts rather than dedicated study widgets. | [.md](https://openaitools.app/tool/chatgpt-4.md) | | 2 | [Google Gemini](https://openaitools.app/tool/gemini-gemini-advanced) | 2,637,398,242 | -0.1% | Freemium | Offers massive context windows for analyzing study materials, but lacks dedicated homework solver workflows. | [.md](https://openaitools.app/tool/gemini-gemini-advanced.md) | | 3 | [Gauth](https://openaitools.app/tool/gauthmath-com) | 7,164,627 | +52.4% | Freemium | Offers photo-based math and science homework assistance, though less focused on general presentation and image generation. | [.md](https://openaitools.app/tool/gauthmath-com.md) | | 4 | [Course Hero](https://openaitools.app/tool/coursehero-com) | 5,163,395 | -1.4% | Freemium | Combines crowdsourced study guides with AI homework assistance, but relies more heavily on subscription document unlocks. | [.md](https://openaitools.app/tool/coursehero-com.md) | | 5 | [Solvely AI](https://openaitools.app/tool/solvely-ai) | 4,526,289 | +134% | Freemium | Provides robust step-by-step homework problem solving and exam prep, but lacks specific Vietnamese localization features. | [.md](https://openaitools.app/tool/solvely-ai.md) | | 6 | [AIApply](https://openaitools.app/tool/aiapply) | 1,606,159 | +6% | Freemium, Free Trial | AI job-application suite that finds roles, tailors documents and applies for you | [.md](https://openaitools.app/tool/aiapply.md) | | 7 | [CVwizard](https://openaitools.app/tool/cvwizard) | 1,178,107 | -13.3% | Free Trial, Paid | Build a polished resume and matching cover letter in minutes | [.md](https://openaitools.app/tool/cvwizard.md) | | 8 | [Kickresume](https://openaitools.app/tool/kickresume) | 904,227 | +0.7% | Freemium | AI resume and cover letter builder with recruiter-approved templates | [.md](https://openaitools.app/tool/kickresume.md) | | 9 | [Rezi](https://openaitools.app/tool/rezi) | 895,348 | +26.3% | Freemium | AI resume builder that tailors your resume to the job description | [.md](https://openaitools.app/tool/rezi.md) | | 10 | [Luzia](https://openaitools.app/tool/luzia-com) | 362,301 | +21% | Freemium | Delivers multilingual conversational homework and translation help via messaging apps, but lacks dedicated study workspaces. | [.md](https://openaitools.app/tool/luzia-com.md) | --- Source: https://openaitools.app/compare/ai-hay-vs-devcv More Markdown: [Categories](https://openaitools.app/categories.md) · [Traffic rankings](https://openaitools.app/rankings.md) · [llms.txt](https://openaitools.app/llms.txt)