Comparison

Codebook vs SayThis

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

Head to head
About

Codebook

This app offers AI-powered coding assistance, lessons, and a built-in code editor. It helps users learn, write, run, and test code, build portfolios, and earn certifications. Access to advanced AI models is provided.

Highlights
  • AI-powered coding assistance
  • Instructor-led coding lessons
  • Built-in code editor
  • Code execution and testing
  • Certification and rewards
  • Personalized learning plans
  • Developer portfolio builder
Features
Read full description

Unlock the Future of Coding with Codebook – The Most Affordable AI-Powered Coding Companion! Supercharge your coding journey with Codebook, the only app that gives you completely free access to the latest and greatest AI models – GPT-3 and GPT-4. Experience cutting-edge assistance, including exclusive features like sending images to GPT-3, which no other app offers! AI-Powered Coding Assistance: Get instant answers to all your coding questions with Codebook's powerful AI, ready to generate detailed, formatted code snippets and solve even the toughest bugs in seconds. Whether you're a beginner or an expert, Codebook adapts to your needs, making coding effortless and efficient. Instructor-Led Coding Lessons: Watch in-app coding lessons taught by an experienced instructor. Open a 24/7 chat to ask questions anytime and get the help you need — instantly. Run Code Instantly: Write, run, and test code in any language right within the app. With Codebook's built-in code editor, you can seamlessly switch between learning, coding, and executing, making it easier than ever to master any programming language. Earn Certifications and Rewards: Prove your skills! Complete challenges, earn rewards, and get certified by passing language-specific exams. Codebook’s personalized learning modules guide you through, so you can confidently ace the exams and showcase your certifications. Personalized Learning Plans: Take control of your learning path with tailor-made programs for any language. Codebook’s adaptive plans ensure you’re always building on your strengths and tackling new challenges, keeping your skills sharp and future-ready. Developer Portfolio Made Easy: Build a professional developer portfolio, hosted online, directly from the app. Perfect for resumes and job applications, your portfolio showcases your progress and achievements, helping you stand out in the tech world. Join a Community of Thriving Coders: Thousands of coders are already benefiting from Codebook's innovative features. Join the community and explore the new era of coding with AI as your guide! Privacy You Can Trust: We prioritize your security with Apple's privacy standards, ensuring that your data stays protected while you focus on leveling up your skills. Download Codebook today and discover how affordable, advanced, and enjoyable learning to code can be! Embrace the future of coding with AI at your side – for free. Our subscription options include the following weekly subscriptions. The subscriptions automatically renew unless canceled 24 hours before the end of the current period. - Codebook Professional - Length of Subscription: 1 week - Price: $4.99 per week - Gives access to all premium features - Codebook Professional Without Ads - Length of Subscription: 1 week - Price: $7.99 per week - Gives access to all premium features without Ads - Codebook Remove Ads - Length of Subscription: 1 week - Price: $2.99 per week - Fully removes ads from Codebook - Privacy Policy: https://qwertycode.org/legal/Codebook-Privacy-Policy.html - Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

SayThis

Struggling to find the right words? This AI assistant helps you craft replies in any tone and length, directly within your messaging apps. It analyzes conversations and suggests drafts, ensuring your messages are always appropriate and timely.

Highlights
  • AI-generated replies
  • Customizable tone and length
  • Keyboard integration
  • Screenshot analysis
  • Multi-language support
  • Reply editing
Features
Read full description

You have read it four times. Every version you draft is either too much or too little, and it has been sitting there twenty minutes. SayThis is an AI keyboard that reads the message you are stuck on and writes the reply, in the tone you choose, in the app you are already in. HOW IT WORKS 1. Give it the conversation. Use the SayThis keyboard without leaving the thread, take a screenshot, or copy the message. 2. Choose how you want to sound. Auto picks the voice, or choose from sixteen tones and three lengths. 3. Read it and send it. SayThis puts the draft in your message box. The send button is still yours. WHAT IT IS GOOD AT • The text you have reread four times • Saying no without sounding difficult • Answering your boss, your landlord, your group chat • Replying on dating apps without overthinking it • The ones you keep putting off until they are awkward • Marketplace haggling and money conversations • Replying in a language you read better than you write SIXTEEN TONES Natural, Friendly, Confident, Professional, Casual, Funny, Flirty, Empathetic, Firm, Apologetic, Persuasive, Calm, Supportive, Direct, Warm and Enthusiastic. Or leave it on Auto and let SayThis pick. THREE LENGTHS Short, Normal or Detailed. "Sorry, can't" and a proper explanation are different answers, and you pick which one you are sending. THE KEYBOARD SayThis installs as a keyboard, so it works inside Messages, WhatsApp, Instagram, Gmail and anywhere else you type. A keyboard genuinely cannot read your conversation, so SayThis does not pretend to. Take the screenshot everyone already knows how to take, and it reads the thread from that, usually on your phone. ANY LANGUAGE It answers in the language the other person wrote in, or one you pin. NOT QUITE RIGHT? CHANGE IT Too long, make it shorter. Not the voice you wanted, change the tone. Want a different angle entirely, ask for another. It rewrites until it is the one you would have written. WHAT IT NEVER DOES SayThis never sends anything itself. It writes the draft, puts it in your box, and stops there. Every message is yours to read, edit and send. PRIVACY Your conversations are not stored. Screenshots are read and then deleted. The reply is held for five minutes so a retried request is not charged twice, and nothing else is kept. You are asked before anything is sent for processing, and you can say no. The keyboard never reads while you type, and the reply panel does not appear in password fields. SAYTHIS PRO Your first five conversations are free. After that, a subscription unlocks unlimited replies, the keyboard and screenshot reading: • SayThis Pro Weekly • SayThis Pro Yearly, with a 3-day free trial • SayThis Pro Monthly, when offered in the app Payment is charged to your Apple Account at confirmation of purchase. The subscription renews automatically unless auto-renew is turned off at least 24 hours before the end of the current period. Your account is charged for renewal within 24 hours prior to the end of the current period. You can manage and cancel your subscription in your Apple Account settings after purchase. Any unused portion of a free trial is forfeited when you purchase a subscription. Terms of Use: https://getsaythis.com/terms Privacy Policy: https://getsaythis.com/privacy

Screenshots

SayThis4 screens

Verdict

The call

The clearest difference is ads: SayThis at none against Codebook's shown. Codebook's advantage is ratings volume (30 vs 1). On price, rating, update cadence 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. Codebook sells 10 in-app purchases, starting at $2.99 per 7 days and SayThis sells 3 in-app purchases, starting at $6.99 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 — 5.0 for Codebook against 5.0 for SayThis. That said, the two scores are not equally well evidenced: Codebook has 30 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Codebook ships an update every 3 days, SayThis every 4 days. The most recent releases landed on November 3, 2026 and November 6, 2026 respectively.

Scorecard2 real differences · 8 level
Codebook versus SayThis: the parameters behind the verdict, then further details
ParameterCodebookSayThis
PriceFreeFree
Rating5.0 (30 ratings)5.0 (1 ratings) — better
Positive reviews100.0% of reviews—
Number of ratings30 — better1
Update frequencyEvery 3 days — betterEvery 4 days
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFreemium
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.6 — better16.4
Further details — not scored
Size136 MB78 MB
Age rating4+9+
DeveloperNoah ClarkSuperfime LLC

Customer experience

Codebook

All ratings30 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews20 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

SayThis

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

10 purchases

Codebook

Subscriptions3
  • Codebook Remove Ads$2.997 Days
  • Codebook Professional$4.997 Days
  • Codebook Pro Without Ads$7.997 Days
One-time7
  • Codebook Widgets 1 Month$2.99
  • Codebook Challenge Refresh$2.99
  • 25 Codebook Tokens$2.99
Show 4 more
  • 50 Codebook Tokens$5.99
  • Codebook Remove Ads$5.99
  • GPT-4 1 Month Access$12.99
  • 1 Month Idea Hub Access$14.99
3 purchases

SayThis

Subscriptions3
  • SayThis Pro Weekly$6.997 Days
  • SayThis Pro Monthly1 Month trial$14.991 Month
  • SayThis Pro Yearly3 Days trial$49.991 Year

Questions

Is Codebook free?
Codebook is free to download, with in-app purchases available.
Is SayThis free?
SayThis is free to download, with in-app purchases available.
Which has better reviews, Codebook or SayThis?
SayThis is rated higher. Codebook averages 5.0 out of 5 from 30 ratings, while SayThis averages 5.0 from 1 ratings.
Do Codebook or SayThis have ads?
Codebook shows ads; SayThis does not.
Which is updated more often, Codebook or SayThis?
Codebook ships an update every 3 days, and SayThis every 4 days. Most recently, Codebook was updated on November 3, 2026 and SayThis on November 6, 2026.

Other comparisons