Comparison

AI Chatbot & Writer vs BlindBox Email

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

Head to head
About

AI Chatbot & Writer

This AI assistant leverages advanced language models to help users with a wide range of tasks. It can generate text, translate languages, fix grammar, brainstorm ideas, and even write code. Get personalized assistance for writing, learning, and creative projects.

Highlights
  • AI Chatbot Assistance
  • Text Generation & Editing
  • Language Translation
  • Code Writing
  • Content Summarization
  • Grammar & Typo Correction
  • Idea Brainstorming
Read full description

KnowIt AI is your free AI Chatbot personal assistant (built on OpenAI’s ChatGPT API and GPT-4o). How does KnowIt AI Chat work? Simply ask KnowIt AI any question or task you need and the app will handle the rest. Here are just a few things you can do with KnowIt AI that will save you hours of time and effort: ● Write code for you ● Write and edit essays “Write a 500 word essay on the fall of the Roman Empire” ● Summarize an article or paragraph ● Find typos and grammar mistakes “Fix any typos in this article” ● Write social media captions ● Generate full video scripts for YouTube, TikTok, and Instagram videos/ads ● Brainstorm business ideas or names ● Translate your text or blog posts into any language ● Rewrite or improve text in paragraphs ● Ask AI to generate recipes based on the ingredients you have in your fridge or pantry ● Summarize a news article or blog post into key points ● Explain complex ideas "Explain this like I'm 5 years old" ● Help you with math problems ● Write marketing emails and social media ads ● Write SEO optimized blog posts “Write a blog post on the best AI Apps for iPhone using ‘ChatGPT’ as the main keyword” ———————————————————— ● No Login or email address required ———————————————————— Important note: Our app has been renamed from "KnowItAll AI" to "KnowIt AI". ———————————————————— Connect with us on X (formerly Twitter): @KnowItAllApp Have any questions or recommendations? Feel free to reach out to me at: Andrew@AndrewLee.Ventures Website: https://knowitallapp.com Privacy Policy: https://knowitallapp.com/privacy Terms and conditions: https://knowitallapp.com/terms

About

BlindBox Email

Features
Read full description

BlindBox is an email app made for VoiceOver first and designed for blind and low-vision users from the ground up. Every part of BlindBox is built around accessible email: clear navigation, predictable focus, spoken feedback, readable layouts, and controls that work naturally with VoiceOver. Accessibility is not an add-on. It is the core experience. BlindBox helps you read, write, search, organize, and manage email with fewer barriers and less guesswork. Accessibility features include: VoiceOver-first navigation and screen-reader-friendly controls Clear spoken status updates for actions like refreshing, sending, and opening messages Logical focus order across inboxes, messages, settings, and compose Large text support and adjustable font sizing High contrast display options Dark mode and reduced motion settings Readable font and increased text spacing options Larger controls for easier tapping Stronger focus borders for low-vision users Plain-text reading preference for cleaner message content Auto-read options for opened messages Audio and tactile feedback for navigation and actions Accessible compose, reply, archive, delete, star, and unread/read actions Accessible calendar invite handling Attachment downloads with optional AI summaries, image descriptions, and document transcripts Multi-inbox support with an accessible unified inbox BlindBox works with Gmail, Outlook, iCloud, Yahoo, and compatible email providers, giving you one accessible place to manage your mail. Whether you use VoiceOver every day, need larger and clearer visual controls, prefer high contrast, or want an email app that respects how blind and low-vision people actually navigate, BlindBox is built for you. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

AI Chatbot & Writer4 screens
BlindBox Email4 screens

Verdict

The call

The clearest difference is ads: BlindBox Email at none against AI Chatbot & Writer's shown. BlindBox Email also leads on update cadence (weekly vs monthly). AI Chatbot & Writer's advantage is device support (3 vs 1). On price, in-app purchases 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. AI Chatbot & Writer sells 3 in-app purchases, starting at $6.99 per 7 days and BlindBox Email sells 6 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

AI Chatbot & Writer ships an update monthly, BlindBox Email weekly. The most recent releases landed on November 7, 2026 and October 31, 2026 respectively.

Scorecard3 real differences · 7 level
AI Chatbot & Writer versus BlindBox Email: the parameters behind the verdict, then further details
ParameterAI Chatbot & WriterBlindBox Email
PriceFreeFree
Rating4.7 (1.5K ratings) — better—
Positive reviews86.4% of reviews—
Number of ratings1.5K — better—
Update frequencyMonthlyWeekly — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, Mac — betteriPhone
Requires iOS16.1 — better17.0
Further details — not scored
Size34 MB69 MB
Age rating17+4+
DeveloperAndrew Lee Ventures LLCBlindBox LLC

Bugs and requests

AI Chatbot & Writer

Reported bugs

2 issues
  • Compatibility issues on certain devices (e.g., Mac)
  • Inconsistent performance or server overload

Requested features

3 requests
  • More customization options (e.g., dark mode)
  • Expanded content coverage and up-to-date information
  • Ability to use the AI assistant on other devices (e.g., keyboard integration)

BlindBox Email

Not enough reviews yet to summarise bugs or requests.

In-app purchases

3 purchases

AI Chatbot & Writer

Subscriptions3
  • KnowItAll Weekly$6.997 Days
  • KnowItAll Yearly: Discounted$19.991 Year
  • KnowItAll Yearly3 Days trial$39.991 Year
6 purchases

BlindBox Email

Subscriptions6
  • BlindBox Basic Monthly14 Days trial$9.991 Month
  • BlindBox Insight Monthly14 Days trial$16.991 Month
  • BlindBox Insight Plus Monthly14 Days trial$24.991 Month
Show 3 more
  • BlindBox Basic Yearly14 Days trial$99.991 Year
  • BlindBox Insight Yearly14 Days trial$169.991 Year
  • BlindBox Insight Plus Yearly14 Days trial$249.001 Year

Questions

Is AI Chatbot & Writer free?
AI Chatbot & Writer is free to download, with in-app purchases available.
Is BlindBox Email free?
BlindBox Email is free to download, with in-app purchases available.
Do AI Chatbot & Writer or BlindBox Email have ads?
AI Chatbot & Writer shows ads; BlindBox Email does not.
Which is updated more often, AI Chatbot & Writer or BlindBox Email?
AI Chatbot & Writer ships an update monthly, and BlindBox Email weekly. Most recently, AI Chatbot & Writer was updated on November 7, 2026 and BlindBox Email on October 31, 2026.

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