Comparison

DetectGPT vs Invoice Maker

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

DetectGPT

Instantly detect AI-generated text and rewrite it to appear human-written, bypassing AI detectors. Ideal for writers, students, and marketers seeking content originality and integrity.

Highlights
  • AI text detection
  • Humanize AI text
  • Plagiarism detection
  • Sentence-level analysis
  • Exportable reports
  • Academic mode
  • Weekly model updates
Features
Read full description

Detect AI content in seconds and rewrite it with the humanizer tool so no detector can spot it. DetectGPT is the world’s most accurate AI detector & humanizer for writers, students, educators, marketers, and SEO pros who need rock-solid originality. Scan any text for GPT, Claude, or Gemini fingerprints, then flip one switch to Humanize and watch your content glide past Turnitin, GPTZero, Winston AI, and other detectors—no quality lost, no marks raised. Why DetectGPT? • Leading accuracy – Built on research-grade models that pinpoint AI text with up to 98 % precision. • 1-Tap Humanize – Instantly rewrite flagged sentences into natural, undetectable language. • Dual checks – Plagiarism + AI detection in one scan for total content integrity. • Cross-platform – Handles ChatGPT, Gemini, Claude, writebots & more. • Privacy-first – All scans encrypted; your documents never leave our secure cloud. • Detailed reports – Sentence-level heatmaps and originality scores you can export or share. • Academic mode – Extra-strict settings for essays, research papers, and coursework. • SEO safe – Rewrite posts so they rank without triggering search penalties. • Live updates – We track every new detector and refresh our model weekly, keeping you one step ahead. Perfect for: Students & Educators: Preserve academic integrity; avoid accidental misconduct. Content Creators & Bloggers: Publish authentic articles that sail through AI detection. Copywriters & Agencies: Deliver premium, human-sounding copy—fast. Marketers & SEO Teams: Beat duplicate-content filters and maintain brand voice. Freelancers: Prove your work is original and boost client trust. How it works: Paste or import any text (documents, essays, blog drafts, emails). Tap Detect to see a probability score plus sentence-level highlights. Hit Humanize to rewrite flagged passages into undetectable natural prose. Export your polished file or copy it straight back to your editor of choice. Try before you subscribe DetectGPT requires a subscription—but you can try it risk-free for 3 days. Get full access to unlimited scans, rewrites, batch uploads, and advanced plagiarism reports. Stop guessing—start knowing. Download DetectGPT now and make your AI-written text truly undetectable. Privacy policy: https://detectgpt.com/privacy-policy Terms of service: https://detectgpt.com/terms

About

Invoice Maker

Create professional invoices and estimates quickly with customizable templates. Manage clients and projects, track payments, and gain business insights with smart reports. Enhance your brand with custom logos and colors.

Highlights
  • Professional invoice and estimate creation
  • Client and project management
  • Customizable templates with branding
  • Flexible payment options
  • Smart revenue and expense reports
  • Unlimited invoices and estimates
Read full description

Effortless Client & Project Management Keep all client and project information organized in one place. Track progress, store key data, and boost productivity—without the hassle. Streamline Your Billing with Professional Invoices & Estimates Create polished invoices and estimates in minutes—customize templates, add details, and send to clients for a seamless billing experience. Flexible Payment Options Get paid faster with secure, convenient methods—credit cards, bank transfers, and digital wallets. Smart Reports for Better Insights Track revenue, expenses, and payments with detailed reports. Use data-driven analytics to optimize your business performance. Branded Invoices That Stand Out Impress clients with customized invoices featuring your logo, colors, and branding—enhance professionalism and reinforce your brand. Simplify workflows, delight clients, and grow your business—all in one place! --- Discover More Benefits: Unlimited Invoices & Estimates Customizable Templates Expense Tracking & Reports Choose Your Plan: - Weekly Pro - Monthly Pro - Annual Pro Start with a 3-day free trial on any plan. Your iTunes account will be charged after confirmation. Subscriptions auto-renew unless canceled 24 hours before the period ends. Manage subscriptions in Account Settings. --- Privacy & Support Privacy Policy: https://sites.google.com/view/invoice-maker---smart-estimate/privacy-policy Terms of Use: https://sites.google.com/view/invoice-maker---smart-estimate/termsconditions Need help? Contact us: john.paley.twentythree@zohomail.com Download now and enjoy!

Screenshots

DetectGPT3 screens
Invoice Maker4 screens

Verdict

The call

The clearest difference is ads: DetectGPT at none against Invoice Maker's shown. DetectGPT also leads on device support (3 vs 1). Invoice Maker's advantage is update cadence (every 3 days vs every 2 weeks). On price, rating, ratings volume and in-app purchases there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. DetectGPT sells 9 in-app purchases, starting at $5.99 per 7 days and Invoice Maker sells 4 in-app purchases, starting at $8.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.8 for DetectGPT against 4.8 for Invoice Maker. Both are backed by a comparable volume of ratings — 16 and 25 respectively.

UpkeepUpdate frequency

DetectGPT ships an update every 2 weeks, Invoice Maker every 3 days. Both last shipped on October 30, 2026.

Scorecard3 real differences · 7 level
DetectGPT versus Invoice Maker: the parameters behind the verdict, then further details
ParameterDetectGPTInvoice Maker
PriceFreeFree
Rating4.8 (16 ratings)4.8 (25 ratings) — better
Positive reviews80.0% of reviews—
Number of ratings1625 — better
Update frequencyEvery 2 weeksEvery 3 days — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.1 — better16.0
Further details — not scored
Size48 MB31 MB
Age rating4+4+
DeveloperConsultech Ventures LLCJohn Paley

Customer experience

DetectGPT

All ratings16 ratings
Positive93.8%
Neutral0.0%
Negative6.3%
Written reviews5 reviews
Positive80.0%
Neutral0.0%
Negative20.0%

Invoice Maker

All ratings7 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

9 purchases

DetectGPT

Subscriptions9
  • DetectGPT Premium$5.997 Days
  • DetectGPT Weekly Premium$5.997 Days
  • DetectGPT Premium$9.991 Month
Show 6 more
  • DetectGPT Premium3 Days trial$9.991 Month
  • DetectGPT Premium$12.991 Month
  • DetectGPT Premium$14.991 Month
  • DetectGPT Premium2 variants$29.991 Year
  • DetectGPT Premium3 Days trial$39.991 Year
  • DetectGPT Premium$39.991 Year
4 purchases

Invoice Maker

Subscriptions4
  • accessWeeklySubscription$8.997 Days
  • Invoice Maker: Bill Generator.3 Days trial$8.997 Days
  • accessMonthlySubscription$14.991 Month
Show 1 more
  • accessMonthlyTrialSubscription3 Days trial$15.991 Month

Questions

Is DetectGPT free?
DetectGPT is free to download, with in-app purchases available.
Is Invoice Maker free?
Invoice Maker is free to download, with in-app purchases available.
Which has better reviews, DetectGPT or Invoice Maker?
Invoice Maker is rated higher. DetectGPT averages 4.8 out of 5 from 16 ratings, while Invoice Maker averages 4.8 from 25 ratings.
Do DetectGPT or Invoice Maker have ads?
Invoice Maker shows ads; DetectGPT does not.
Which is updated more often, DetectGPT or Invoice Maker?
DetectGPT ships an update every 2 weeks, and Invoice Maker every 3 days. Most recently, DetectGPT was updated on October 30, 2026 and Invoice Maker on October 30, 2026.

Other comparisons