Comparison

AI Writer vs Book Creator

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

Head to head
About

AI Writer

This AI-powered writing assistant helps you generate various types of text, from essays and emails to creative content and code. It also offers web search, summarization, translation, and grammar correction to enhance your writing and research process.

Highlights
  • AI writing assistant for essays, emails, blogs
  • AI search mode for real-time web answers
  • Summarizer and rewriter for text
  • Translator for multiple languages
  • Creative writing and code generation
  • Grammar and editing tools
  • Idea generator and templates
Features
Read full description

AI Writer is your all-in-one AI writing and chat assistant for essays, emails, blogs, and more. Write, chat, and search the web with advanced AI models that help you create, summarize, translate, and improve text instantly. Built for students, professionals, and creators, AI Writer makes writing faster, easier, and smarter. Key Features • AI Writing Assistant – Generate high-quality essays, emails, blog posts, bios, and more with intelligent tone and grammar suggestions. • AI Search Mode – Get real-time answers and up-to-date information from the web. • Templates and Custom Prompts – Use pre-made writing templates or build your own for any task. • Summarizer and Rewriter – Condense long text or instantly rewrite for clarity and style. • Translator – Translate text between dozens of languages accurately. • Creative Mode – Write stories, poems, scripts, and lyrics with AI inspiration. • Code and Technical Writing – Generate code snippets or simplify technical explanations. • Grammar and Editing Tools – Proofread, fix errors, and improve sentence structure. • Idea Generator – Brainstorm titles, slogans, and social content fast. • Clipboard and History – Save and reuse past prompts and results. Fast, private, and easy to use, AI Writer gives you everything you need to write and research in one place. If you purchase a subscription, your Apple account will be charged. Subscriptions automatically renew unless canceled at least 24 hours before the end of the current period. You can manage or cancel your subscription anytime in your App Store account settings. Privacy Policy: mastermindsoftware.co/privacypolicy Terms of Use: mastermindsoftware.co/termsofuse

About

Book Creator

This AI-powered writing assistant offers comprehensive support for all your writing needs, from generating creative stories to drafting complex articles. It leverages advanced AI chat engines to provide guidance and assistance at every stage of the writing process.

Highlights
  • AI-powered writing engine
  • Assistance in every writing step
  • Handles diverse input types
  • Generates creative stories
  • Drafts articles on complex topics
  • Provides recommendations and advice
Features
Read full description

Writer's AI is a deeply powerful artificial intelligence writing engine. It offers a invaluable tools and processes to fulfill your needs. You can get assistance in every step of your writing. Powered by state-of-the-art artificial intelligence chat engines. This revolutionary app can handle any input you give to it. This can range from cooking recipes to a full fledged article about advanced science topics. Use the power of AI to handle your everyday tasks, ask questions, take recommendations and advices and more... Subscription service is required to use the app. Payment models for Writer's AI Subscription • Writer's AI Weekly: $2.99 per month, • Writer's AI Annually: $34.99 per year • Payment will be charged to iTunes Account at confirmation of purchase. • Account will be charged for renewal within 24-hours prior to the end of the current subscription period. • Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase. • Any unused portion of a free trial period will be forfeited when the user purchases a subscription to that publication. Terms of Use: https://hiappsco.wordpress.com/2022/05/11/procam-terms-of-use/ Privacy Policy: https://hiappsco.wordpress.com/2022/05/11/procam-privacy-policy%ef%bf%bc/

Screenshots

AI Writer4 screens
Book Creator4 screens

Verdict

The call

The clearest difference is review sentiment: AI Writer at 62% against Book Creator's 0%. AI Writer also leads on rating (4.7 vs 4.0) and monetization model (free with in-app purchases vs subscription). On price, update cadence, ads 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. AI Writer sells 7 in-app purchases, starting at $9.99 per 7 days and Book Creator sells 8 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

AI Writer holds the better App Store score, 4.7 against 4.0. That said, the two scores are not equally well evidenced: AI Writer has 1.1K ratings behind it against 27, so its average is the more settled of the two. Written reviews point the same way: 62% of AI Writer's written reviews are positive against 0% of Book Creator's.

UpkeepUpdate frequency

AI Writer ships an update every 2 months, Book Creator every 5 weeks. The most recent releases landed on November 11, 2026 and November 7, 2026 respectively.

Scorecard4 real differences · 6 level
AI Writer versus Book Creator: the parameters behind the verdict, then further details
ParameterAI WriterBook Creator
PriceFreeFree
Rating4.7 (1.1K ratings) — better4.0 (27 ratings)
Positive reviews61.8% of reviews — better0.0% of reviews
Number of ratings1.1K — better27
Update frequencyEvery 2 monthsEvery 5 weeks — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases — betterSubscription
DevicesiPhone, iPad — betteriPhone
Requires iOS17.0 — better17.2
Further details — not scored
Size27 MB68 MB
Age rating12+9+
DeveloperMasterMind Software LLCKaan Yildiz

Customer experience

AI Writer

All ratings1,134 ratings
Positive93.0%
Neutral3.2%
Negative3.8%
Written reviews34 reviews
Positive61.8%
Neutral0.0%
Negative38.2%

Book Creator

All ratings27 ratings
Positive70.4%
Neutral7.4%
Negative22.2%
Written reviews8 reviews
Positive0.0%
Neutral25.0%
Negative75.0%

Bugs and requests

AI Writer

Reported bugs

2 issues
  • Login screen freezes
  • Incompatible with older devices

Requested features

2 requests
  • Dark mode option
  • Advanced analytics dashboard

Book Creator

Not enough reviews yet to summarise bugs or requests.

In-app purchases

7 purchases

AI Writer

Subscriptions4
  • AI Writer Pro$9.997 Days
  • AI Writer Pro$19.991 Month
  • Secret Discount$39.991 Year
Show 1 more
  • AI Writer Pro3 Days trial$69.991 Year
One-time3
  • 50 AI Credits$4.99
  • 300 AI Credits$19.99
  • 1000 AI Credits$59.99
8 purchases

Book Creator

Subscriptions7
  • Writer's AI Weekly$4.997 Days
  • Writer's AI Weekly$6.997 Days
  • Writer's AI Weekly3 Days trial$7.997 Days
Show 4 more
  • AI Writer Annual Final$29.991 Year
  • AI Writer Annual Return$34.991 Year
  • Writer's AI Annually$39.991 Year
  • Writer's AI Annually$44.991 Year
One-time1
  • Writer's AI Lifetime$99.99

Questions

Is AI Writer free?
AI Writer is free to download, with in-app purchases available.
Is Book Creator free?
Book Creator is free to download, with in-app purchases available.
Which has better reviews, AI Writer or Book Creator?
AI Writer is rated higher. AI Writer averages 4.7 out of 5 from 1.1K ratings, while Book Creator averages 4.0 from 27 ratings.
Do AI Writer or Book Creator have ads?
Neither AI Writer nor Book Creator shows ads.
Which is updated more often, AI Writer or Book Creator?
AI Writer ships an update every 2 months, and Book Creator every 5 weeks. Most recently, AI Writer was updated on November 11, 2026 and Book Creator on November 7, 2026.

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