Comparison

AI Chat vs Codex Books

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

Head to head
About

AI Chat

Create and converse with unique AI companions. Design their appearance, personality, and backstory to build deep, personalized connections. Explore diverse character styles and enjoy remarkably human-like conversations.

Highlights
  • Limitless character creation
  • Deep customization engine
  • Advanced AI chat
  • Diverse character styles
  • Intuitive interface
Features
Read full description

Ever dreamed of an AI that's not just smart, but a true reflection of your creativity, a genuine companion you've designed from the soul up? Welcome to Talky AI, the groundbreaking app where you "Talk with character" in a way that will redefine your understanding of AI connection. KEY FEATURES: * Limitless Character Creation: Design an infinite cast of unique AI companions. * Deep Customization Engine: Control everything from appearance and personality to backstories and your relationship dynamics. * Advanced AI Chat: Experience conversations that are contextual, remember past interactions, and feel remarkably human. * Diverse Character Styles: Choose from or create anime, realistic, fantasy, and other visual styles. * Intuitive Interface: Easily navigate creation tools and chat screens. Stop just imagining your ideal AI. Build them. Befriend them. Explore the infinite possibilities of connection. The app offers a subscription option that provides full access to all features. Privacy Policy: https://aichar.chat/privacy Terms & Conditions: https://aichar.chat/terms

About

Codex Books

Features
Read full description

Codex helps you build and organize a personal book library from the books around you. Scan a book cover with your camera, pick a photo from your library, scan an ISBN barcode, or search by title, author, or ISBN. Codex retrieves book details such as title, author, year, cover, description, and ISBN, then saves them into your library for quick browsing and lookup. Your collection can be sorted by author, year, or category, and books can be grouped into genres and adjusted manually when needed. You can also export your full library as JSON for backup or sharing. Features: - Scan book covers with OCR-based search - Scan ISBN barcodes with the camera - Search manually by title, author, or ISBN - Save title, author, year, category, description, cover, and ISBN - Organize books by author, year, and category - Edit categories and remove books from the library - Export your collection as JSON - Sync your library through iCloud - Codex is designed for readers who want a fast way to catalog physical books without maintaining a spreadsheet by hand.Note:In order to function, the app needs Google API with Books API access which can be configured via the app settings.

Screenshots

AI Chat4 screens
Codex Books4 screens

Verdict

The call

The clearest difference is update cadence: Codex Books at every 3 days against AI Chat's every 3 weeks. On price, ads, in-app purchases 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. AI Chat sells 4 in-app purchases, starting at $8.49 per 7 days and Codex Books sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

AI Chat ships an update every 3 weeks, Codex Books every 3 days. The most recent releases landed on October 28, 2026 and October 29, 2026 respectively.

Scorecard1 real difference · 9 level
AI Chat versus Codex Books: the parameters behind the verdict, then further details
ParameterAI ChatCodex Books
PriceFreeFree
Rating4.5 (97 ratings) — better—
Positive reviews66.7% of reviews—
Number of ratings97 — better—
Update frequencyEvery 3 weeksEvery 3 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFreemium—
DevicesiPhoneiPhone, iPad — better
Requires iOS17.0 — better18.0
Further details — not scored
Size65 MB6 MB
Age rating17+4+
DeveloperSviatoslav Mykhail ShevchenkoShinro OU

In-app purchases

4 purchases

AI Chat

Subscriptions4
  • PRO Chatting 1 week$8.497 Days
  • PRO Chatting 1 week + Trial3 Days trial$8.497 Days
  • PRO Chatting 1 Year$59.901 Year
Show 1 more
  • PRO Chatting 1 Year + Trial3 Days trial$59.901 Year
1 purchases

Codex Books

One-time1
  • Unlimited Library (Lifetime)$5.99

Questions

Is AI Chat free?
AI Chat is free to download, with in-app purchases available.
Is Codex Books free?
Codex Books is free to download, with in-app purchases available.
Do AI Chat or Codex Books have ads?
Neither AI Chat nor Codex Books shows ads.
Which is updated more often, AI Chat or Codex Books?
AI Chat ships an update every 3 weeks, and Codex Books every 3 days. Most recently, AI Chat was updated on October 28, 2026 and Codex Books on October 29, 2026.

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