AI Cover Letter Generators Compared: Kickresume, Rezi, ChatGPT Prompts, AutoApplyMax

In short

AutoApplyMax's AI cover letter generator writes a letter for one job from your resume and the job description; the free plan includes 1 AI credit a month for it, Premium gives 30 a month for $6.99, and rewriting any paragraph is free.

Other free options we checked: Rezi's free plan includes unlimited AI cover letters, Enhancv and LoopCV have free generators with no sign-up, Teal's free plan includes 2 AI cover letter credits and Kickresume's first AI letter is free. Huntr, Simplify, Careerflow and Jobscan list AI cover letters on their paid plans.

Checked November 2026.

AI cover-letter generators promise a personalised letter in 30 seconds. Most output generic filler. This piece tests four popular options on the same job description and shows what each actually produces.

AutoApplyMax AI cover letter generator: job title, company and job description on the left, the cover letter written from the resume on the right
The AI cover letter generator: paste the job title, company and description, and the letter is written from your resume for that job. Write a cover letter →

The test

Same input: 5 years of PM experience at two SaaS startups, applying to a Series B fintech mid-level PM role. Same JD across all four tools. Timed from prompt to first draft.

1. AutoApplyMax

Time: 18 seconds.

Output: Three paragraphs. Opened by referencing the fintech's payment-orchestration positioning (extracted from the JD). Middle paragraph tied our own metric ("reduced onboarding friction by 34%") to their stated challenge ("scale merchant onboarding"). Closed with a specific reason we wanted to work in fintech now. Editable inline — each sentence has a rewrite / punchier / tone-shift menu.

Verdict: The tone matching is genuinely job-specific. The inline edit UX beats every alternative. Try the AutoApplyMax AI cover letter generator.

2. Kickresume

Time: 24 seconds.

Output: Four paragraphs. Well-structured, safe language. Less specific to the fintech's positioning — reads like a generic PM cover letter with the company name pasted in. Uses "I am confident that my skills align with your needs" three times.

Verdict: Fastest to a "decent" letter but requires manual edits to remove filler phrasing. See Kickresume.

3. Rezi

Time: 20 seconds.

Output: Three paragraphs, ATS-optimised language. Extracted the JD keywords aggressively and re-used them almost too literally. Reads slightly robotic — the algorithm prioritises keyword match over natural tone.

Verdict: Best when the letter is read only by an ATS filter. Weaker when a hiring manager reads it. See Rezi.

4. ChatGPT prompt

Time: 40 seconds (including copy/paste of JD + CV summary).

Output: Depends heavily on prompt quality. With a good prompt ("write a 3-paragraph cover letter for the JD below from the perspective of the candidate below, in a confident but modest tone, no cliches, quote one specific detail from the JD"), the result rivals AutoApplyMax. With a lazy prompt, you get filler that reads like a template.

Verdict: Ceiling is high if you know how to prompt. Floor is low if you don't. The friction of pasting the JD and CV every time makes this the slowest option for repeated use.

Free AI cover letter generators: what each plan includes

Read on each vendor's own website on November 6, 2026.

ToolAI cover letterFree planPaid plans (as shown)Source
AutoApplyMaxYes: 1 free AI credit a month (one cover letter or one tailored resume); Premium 30 a month; Rewrite AI on any paragraph is freeYes: Easy Apply auto-apply (LinkedIn's own limits apply), profile autofill, tracker, ATS checker, 1 AI credit a monthPremium $6.99/month or $49.90 lifetime; Unlimited $22.99/month or $149.90 lifetimeautoapplymax.com/pricing
ReziYes: unlimited AI cover letters on the free planYes: 1 resume, 3 PDF downloads, AI writer, limited keyword targetingPro $29/month or Lifetime $149 one-time (30-day money-back guarantee)rezi.ai
TealFree: 2 AI cover letter credits; Teal+: unlimitedYes: unlimited resumes and job tracking, 10 templates, top 5 keywords of a job description, a few one-time AI creditsTeal+ $13 per 7 days, $29 per 30 days or $79 per 90 daystealhq.com
KickresumeFirst AI cover letter free; more on PremiumYes: 4 basic templates, unlimited downloads, no AI writer, no ATS checker€24/month, €54 per 3 months or €96 per year; free Premium for students with ISIC, ITIC or UNiDAYSkickresume.com
EnhancvFree standalone generator, no sign-up; 300 resumes and cover letters on Pro7-day free plan with Enhancv branding; free resume checkerPro "starting from $16.50" (exact plan prices did not load on its pricing page)enhancv.com
LoopCVFree standalone generator, no sign-up; in-plan limits not publishedYes, "Free Forever" with limitsFrom €9.99/month (Pro and Premium; tier prices not published in plain text)loopcv.pro
JobWizardYes: 30 a week free, 200 on Plus, unlimited on ProYes: 30 autofills, 30 cover letters and 30 resume retouches a weekPlus $19.99 or Pro $39.99 per 30-day pass (no auto-renew)jobwizard.ai
HuntrPro (paid): unlimited AI cover lettersYes: track up to 100 jobs, unlimited application autofills, 2 job-tailored resumes, a small number of AI creditsPro $40/month, $90 per 3 months or $160 per 6 monthshuntr.co
Simplify (Copilot)Simplify+ (paid); on the free plan you write it yourselfYes: Copilot autofill, resume builder, job trackerSimplify+ $19.99/week, $39.99/month or $89.99 per 3 monthshelp.simplify.jobs
CareerflowPremium and Premium Plus: unlimited; not listed on the free planYes: Chrome extension, job tracker, autofill, resume builder and skill gap analyzer, each limitedPremium $8.99/week or $23.99/month ($54.99 per 3 months, $172.99/year); Premium Plus $19.99/week or $44.99/month ($119.99 per 3 months, $299.99/year)careerflow.ai

Competitor facts from each tool's own website, read on November 6, 2026; "not published" means we could not find it on an official page. Prices are as shown by the vendor and can vary by country.

Feature summary

ToolSpeedTone matchJD-specific detailInline editFree tier
AutoApplyMax18sExcellentYesYes1 credit free
Kickresume24sSafe / genericWeakBasicLimited
Rezi20sRoboticKeyword-heavyBasic2 downloads
ChatGPT prompt40s+Depends on promptDepends on promptManualFree tier

A ChatGPT prompt that gets the same quality as AutoApplyMax

If you insist on rolling your own with ChatGPT, this prompt shape gets close to a purpose-built tool:

Write a 3-paragraph cover letter for this job:
[PASTE FULL JD]

From the perspective of this candidate:
[PASTE CV SUMMARY OR MOST RECENT 2 ROLES]

Rules:
- No filler phrases ("I am confident that", "I believe I would be a great fit")
- Quote one specific detail from the JD in paragraph 1
- Tie one of my achievements to their stated challenge in paragraph 2
- Close with one specific reason I want THIS role (not generic enthusiasm)
- Confident but modest tone
- Max 220 words total

Which one should you use?

Generate a JD-tailored cover letter in 18 seconds

Same input, better output than the ChatGPT prompt. Inline edit menu on every sentence.

Try AI Cover Letter Free →

Put this into practice with AutoApplyMax

Free to start. 1 tailored CV free every month.