Comparison

CheckSite vs Chat AI

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

Head to head
About

CheckSite

Features
Read full description

CheckSite: find potential problems in HTML and CSS When making websites, you need to keep an eye on two types of standards: the official web standards, which are checked by the W3C Validator, and the unofficial standard of making sure that your website actually works as intended on all commonly used browsers. The advantage of using CheckSite is that it checks both, and that it does it automatically for all pages within your website. When done, CheckSite will produce an overview of all potential issues found in all pages, including an easy-to-read summary. Main features • CheckSite is fast and user friendly • Checks against both web standards, known issues, and best practices • Finds links to other pages in your website and checks them as well • Gives an easy-to-read summary of the results The checks • Browser compatibility (e.g. does the page use constructs that are known to cause problems in certain browsers?) • SEO (e.g. does the page adhere to SEO guidelines?) • User experience (e.g. does the page have a favicon?) • Internationalization (e.g. does the page use UTF-8 encoding?) If you like our app, please rate it in the Mac App Store so that we can use your feedback and keep creating updates.

About

Chat AI

Engage in intelligent conversations with an advanced AI chatbot. This app offers personalized responses on a wide range of topics and can assist with writing tasks like essays and emails. Its AI continuously learns for more natural interactions.

Highlights
  • Intelligent conversations
  • Personalized responses
  • Essay and content writing
  • Wide range of topics
  • Constantly evolving AI
  • Easy to use interface
Features
Read full description

Welcome to CHAT AI, the AI chatbot that uses the latest language processing technology to have intelligent and engaging conversations with you. Simply type in your message, and CHAT AI will respond thoughtfully and personally. Whether you want to write long-form content (essays, emails, articles, etc.) chat about current events, share your thoughts and feelings, or just have a casual conversation, CHAT AI is here to listen and engage with you. With its constantly evolving AI technology, CHAT AI is able to understand and respond to a wide range of topics and topics of conversation. FEATURES: Intelligent and engaging conversation: CHAT AI uses advanced natural language processing technology to understand and respond to a wide range of topics and conversations. Personalized responses: CHAT AI adapts to your unique style of communication and provides tailored responses that feel like they are coming from a real person. Constantly evolving AI technology: CHAT AI's algorithms are constantly learning and improving, so you can have more natural and enjoyable conversations over time. Wide range of topics: CHAT AI is able to understand and engage with you on a wide range of topics, from current events to personal thoughts and feelings. Easy to use: CHAT AI is simple to use – just type in your message and receive a response. No complicated setup or training is required. So why wait? Download CHAT AI today and start chatting with the most advanced chatbot on the App Store! SUBSCRIPTIONS: - You can subscribe to a PRO account - Subscription options are 1-week, 1-month, and one year - Subscription automatically renews for the same price and duration period as the original, "one month", "one-year" package unless auto-renew is turned off at least 24 hours before the end of the current period - Payment will be charged to iTunes Account at confirmation of purchase - 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, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable Terms of Use and Privacy Policy: http://eleventhirteen.co/privacy

Screenshots

CheckSite2 screens
Chat AI4 screens

Verdict

The call

The clearest difference is in-app purchases: CheckSite at none against Chat AI's 10. CheckSite also leads on ads (none vs shown). Chat AI's advantage is update cadence (every 3 weeks vs every 13 months) and chart position (#172 vs unranked). On price, device support and iOS requirement 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. Chat AI sells 10 in-app purchases, starting at $6.99 per 7 days. CheckSite asks for nothing beyond the download.

UpkeepUpdate frequency

CheckSite ships an update every 13 months, Chat AI every 3 weeks. The most recent releases landed on October 26, 2026 and November 9, 2026 respectively.

Scorecard4 real differences · 7 level
CheckSite versus Chat AI: the parameters behind the verdict, then further details
ParameterCheckSiteChat AI
PriceFreeFree
Rating—4.8 (130K ratings) — better
Positive reviews—69.2% of reviews
Number of ratings—130K — better
Update frequencyEvery 13 monthsEvery 3 weeks — better
AdsNo — betterYes
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
Best chart rank—#172 — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS14.0 — better15.0
Further details — not scored
Size1 MB192 MB
Age rating17+12+
DeveloperColorizeElevenThirteen LLC

Bugs and requests

CheckSite

Not enough reviews yet to summarise bugs or requests.

Chat AI

Reported bugs

3 issues
  • App crashes when trying to regenerate answers
  • Answers disappear before they can be saved
  • Inconsistent behavior when changing prompts

Requested features

4 requests
  • Increase free daily usage limit
  • Add voice input/output capabilities
  • Improve integration with other apps and services
  • Provide more customization options

In-app purchases

None

CheckSite

No in-app purchases

10 purchases

Chat AI

Subscriptions8
  • PRO Week3 Days trial$6.997 Days
  • Unlimited Week$6.997 Days
  • Weekly Pro3 Days trial$7.997 Days
Show 5 more
  • Weekly Pro$7.997 Days
  • Unlimited Month$19.991 Month
  • 1 Year Unlimited (Promo)$29.991 Year
  • Unlimited Year3 Days trial$69.991 Year
  • Year Unlimited +$69.991 Year
One-time2
  • 50,000 Credits$9.99
  • 300,000 Credits$49.99

Questions

Is CheckSite free?
CheckSite is free to download, with no in-app purchases.
Is Chat AI free?
Chat AI is free to download, with in-app purchases available.
Do CheckSite or Chat AI have ads?
Chat AI shows ads; CheckSite does not.
Which is updated more often, CheckSite or Chat AI?
CheckSite ships an update every 13 months, and Chat AI every 3 weeks. Most recently, CheckSite was updated on October 26, 2026 and Chat AI on November 9, 2026.

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