Comparison

Walter Writes vs Grubby AI

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

Head to head
About

Walter Writes

This app transforms AI-generated text into natural, human-sounding content and detects AI writing. It offers multiple rewrite modes and supports over 80 languages, making your AI-assisted writing sound authentic.

Highlights
  • AI text humanization
  • AI writing detection
  • Multiple rewrite modes
  • Supports 80+ languages
  • History tracking
Features
Read full description

Walter Writes AI transforms AI-generated content into natural, human-sounding text and detects AI writing, all from your phone. Whether you're a student working on essays, an SEO professional publishing content, or a business professional drafting emails, Walter helps your AI-assisted writing sound authentically human. WHAT YOU CAN DO: • AI Humanizer: paste any AI-generated text and Walter rewrites it to sound natural and human. Choose from Simple, Standard, or Enhanced rewrite modes depending on how much refinement you need. • AI Detector: scan any text to see its AI-likelihood score. Understand how your content reads to detection tools before you submit or publish. • Multiple Rewrite Modes: adjust rewrite strength from light touch-ups to deep structural rewrites depending on your use case. • History Tracking: access your past humanizations and detection results anytime. • 80+ Languages: humanize and detect AI content in over 80 languages so you can work in your native language. WHO IT'S FOR: Students and academics writing essays and research papers. SEO teams and content creators publishing AI-assisted blog posts and articles. Business professionals drafting emails, proposals, and reports. Educators checking student work for AI-generated content. Anyone who wants their writing to sound natural and pass AI detection tools. HOW IT WORKS: • Paste or type your AI-generated content • Choose your rewrite mode and tone • Tap Humanize to get natural-sounding text • View your AI detection score instantly Learn more at https://walterwrites.ai Terms Of Service https://walterwrites.ai/terms-of-service/ Privacy Policy https://walterwrites.ai/privacy-policy/

About

Grubby AI

Features
Read full description

Make AI-generated text sound like you. Grubby AI learns your personal writing style from a sample of your own text and uses it to rewrite AI-generated content in a way that feels natural and familiar. Simply provide a sample of your writing, paste the text you want to rewrite, and let Grubby AI adapt it to your style while keeping the original meaning. Write Like You Give Grubby AI an example of how you normally write. Your tone, sentence patterns, and writing habits become the guide for future rewrites. Rewrite in Your Style Paste AI-generated text and transform it into a version that better matches the way you naturally write. Keep the Meaning The goal is to change the wording and style without changing the message or adding new information. Control the Rewrite Choose how much the text should change — from light adjustments to a stronger rewrite. Use It Anywhere Rewrite emails, messages, essays, posts, work documents, and other text in a style that feels more like your own. Grubby AI helps you turn generic AI writing into text that sounds more personal, natural, and familiar.

Screenshots

Walter Writes4 screens
Grubby AI4 screens

Verdict

The call

The clearest difference is rating: Walter Writes at 4.6 against Grubby AI's 1.0. Walter Writes also leads on ratings volume (23 vs 2). Grubby AI's advantage is in-app purchases (none vs 6) and iOS requirement (15.0 vs 17.0). On price, update cadence, ads and device support 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. Walter Writes sells 6 in-app purchases, starting at $12.00 per month. Grubby AI asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Walter Writes holds the better App Store score, 4.6 against 1.0. That said, the two scores are not equally well evidenced: Walter Writes has 23 ratings behind it against 2, so its average is the more settled of the two.

UpkeepUpdate frequency

Walter Writes ships an update fortnightly, Grubby AI every 3 weeks. The most recent releases landed on November 5, 2026 and November 6, 2026 respectively.

Scorecard4 real differences · 6 level
Walter Writes versus Grubby AI: the parameters behind the verdict, then further details
ParameterWalter WritesGrubby AI
PriceFreeFree
Rating4.6 (23 ratings) — better1.0 (2 ratings)
Positive reviews93.8% of reviews—
Number of ratings23 — better2
Update frequencyFortnightly — betterEvery 3 weeks
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhoneiPhone, iPod — better
Requires iOS17.015.0 — better
Further details — not scored
Size66 MB3 MB
Age rating4+4+
DeveloperWalter IA Inc.David Conner

In-app purchases

6 purchases

Walter Writes

Subscriptions6
  • Starter Plan (Monthly)1 Month trial$12.001 Month
  • Pro Plan (Monthly)$23.001 Month
  • Elite Monthly$47.001 Month
Show 3 more
  • Starter Plan (Yearly)$96.001 Year
  • Pro Plan (Yearly)$155.991 Year
  • Elite Yearly$314.991 Year
None

Grubby AI

No in-app purchases

Questions

Is Walter Writes free?
Walter Writes is free to download, with in-app purchases available.
Is Grubby AI free?
Grubby AI is free to download, with no in-app purchases.
Which has better reviews, Walter Writes or Grubby AI?
Walter Writes is rated higher. Walter Writes averages 4.6 out of 5 from 23 ratings, while Grubby AI averages 1.0 from 2 ratings.
Do Walter Writes or Grubby AI have ads?
Neither Walter Writes nor Grubby AI shows ads.
Which is updated more often, Walter Writes or Grubby AI?
Walter Writes ships an update fortnightly, and Grubby AI every 3 weeks. Most recently, Walter Writes was updated on November 5, 2026 and Grubby AI on November 6, 2026.

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