Comparison

KeyWise vs Bookworm Library

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

Head to head
About

KeyWise

Enhance your writing with an intelligent AI keyboard. It offers grammar and spell checking, translation, tone adjustment, paraphrasing, and instant AI-powered answers. Unlock full potential with a premium subscription.

Highlights
  • Grammar & Spell Check
  • Real-time Translation
  • AI-powered Q&A
  • Tone Adjustment
  • Paraphrasing Tool
  • Auto-Reply Suggestions
  • Text Continuation
Features
Read full description

Introducing KeyWise - Your Intelligent AI Keyboard: Powered by GPT-3.5! Why KeyWise? KeyWise is more than just a keyboard; it's your ultimate text companion, driven by cutting-edge GPT-3.5 technology. Designed to enhance your writing experience across all your favorite apps, KeyWise is here to assist you in every way imaginable, whether you're chatting, working, or simply exploring. FEATURES: - Grammar & Spell Check: No more second-guessing your writing! KeyWise automatically corrects grammar and spelling errors in your text, ensuring that you always present your best self in writing. - Translation: Break language barriers effortlessly! With KeyWise, your text is seamlessly translated into your preferred language, with automatic source language detection. - Ask AI: Curious about something? Get instant answers to general knowledge questions. Just type your query, and KeyWise will provide you with insightful responses. - Tone Adjustment: Adapt your message to any context. Specify the tone you want - be it friendly, professional, playful, or any other option - and watch KeyWise tailor your text accordingly. - Paraphrasing: Say it differently while preserving the original meaning. KeyWise rephrases your text while maintaining its original tone, giving you a fresh perspective. - Auto-Reply: Never be lost for words. Enter a message, and KeyWise will generate a fitting response, making your conversations smoother and more engaging. - Text Continuation: Extend your thoughts effortlessly. Provide a starting point, and let KeyWise continue your text in the same tone and context, streamlining your writing process. - Synonym Finder: Expand your vocabulary! For any word you input, KeyWise offers synonyms, enriching your writing and helping you find the perfect word. - Privacy & Security: We prioritize your privacy. KeyWise operates transparently to ensure your data remains secure and private. Your trust is essential to us! UNLOCK ALL FEATURES WITH PREMIUM SUBSCRIPTION Get unlimited daily uses and unlock all features to supercharge your productivity with KeyWise – AI premium subscription plans: Weekly: $4.99 Monthly: $14.99 Yearly: $59.99 Payments and Renewal: Payment will be charged to iTunes Account at confirmation of purchase. Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period. Account will be charged for renewal within 24-hours prior to the end of the current period. You can manage or turn off auto-renew in your Account settings at any time after purchase No cancellation of the current subscription is allowed during the active period. For any questions related to the app, please feel free to reach out to us via email at support@owlapps.co **Privacy Policy:** https://owlapps.notion.site/Privacy-Policy-KeyWise-AI-Keyboard-Writer-92a57c85a71f4846a7765dbeaad850c3?pvs=4 **Terms & Conditions:** https://owlapps.notion.site/Terms-of-Use-KeyWise-1c5ef2eec81b4d2283163ab1d6c61aa7?pvs=4

About

Bookworm Library

Features
Read full description

Never buy the same book twice again. Bookworm is a simple and powerful personal library app for iPhone and iPad that helps you track the books you own and the books you want. Whether you’re browsing a bookstore, visiting a book fair, or hunting through a garage sale, Bookworm lets you check your collection in seconds. Just scan the ISBN barcode to instantly see if a book is already in your library or on your wish list. No more guessing, no more duplicate purchases. Bookworm is ideal for readers, book collectors, and anyone who wants an organised, always available digital record of their book collection. Key Features • Scan ISBN barcodes to quickly look up books • Search for titles and add them to your collection • Mark books as Owned or Wanted • Import your library from a CSV file • Export your lists to CSV for backup or sharing • Create PDFs for Owned books, Wanted books, or your full library Bookworm is the perfect companion for managing your personal library—simple, fast, and always with you.

Screenshots

KeyWise4 screens
Bookworm Library4 screens

Verdict

The call

The clearest difference is in-app purchases: Bookworm Library at none against KeyWise's 3. KeyWise's advantage is update cadence (every 4 weeks vs every 8 months) and iOS requirement (16.0 vs 18.6). On price, 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. KeyWise sells 3 in-app purchases, starting at $4.99 per 7 days. Bookworm Library asks for nothing beyond the download.

UpkeepUpdate frequency

KeyWise ships an update every 4 weeks, Bookworm Library every 8 months. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

Scorecard3 real differences · 7 level
KeyWise versus Bookworm Library: the parameters behind the verdict, then further details
ParameterKeyWiseBookworm Library
PriceFreeFree
Rating4.7 (29 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings29 — better—
Update frequencyEvery 4 weeks — betterEvery 8 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemium—
DevicesiPhoneiPhone, iPad — better
Requires iOS16.0 — better18.6
Further details — not scored
Size78 MB2 MB
Age rating4+4+
DeveloperOwl Apps LLCAlphaworks

In-app purchases

3 purchases

KeyWise

Subscriptions3
  • Weekly$4.997 Days
  • Monthly$14.991 Month
  • Yearly3 Days trial$59.991 Year
None

Bookworm Library

No in-app purchases

Questions

Is KeyWise free?
KeyWise is free to download, with in-app purchases available.
Is Bookworm Library free?
Bookworm Library is free to download, with no in-app purchases.
Do KeyWise or Bookworm Library have ads?
Neither KeyWise nor Bookworm Library shows ads.
Which is updated more often, KeyWise or Bookworm Library?
KeyWise ships an update every 4 weeks, and Bookworm Library every 8 months. Most recently, KeyWise was updated on November 3, 2026 and Bookworm Library on October 31, 2026.

Other comparisons