Comparison

MP4 Maker vs Chatrobotics App

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

Head to head
About

MP4 Maker

Easily convert video files to MP4 format directly on your device. This app prioritizes your privacy by processing all conversions locally, ensuring your files never leave your phone. Customize quality settings to balance file size and image resolution.

Highlights
  • Convert videos to MP4
  • Local device processing
  • Export converted files
  • Multiple quality settings
  • Privacy-focused
Features
Read full description

Have you ever needed a video file on the MP4 format? MP4 Maker solves this problem by converting video files to .MP4 and allowing you to easily export the result. For your privacy MP4 Maker uses the processing power of your mobile device to convert the videos without sending the data to a server, so your files never leave your device. You can choose to convert your files with multiple quality settings so you can fine tune the file size and image quality that best suits your needs! MP4 Maker is now available on all iOS Devices!

About

Chatrobotics App

This AI-powered assistant transforms lectures, audio, and video into interactive study materials. It offers high-accuracy transcription, automatic summarization, and a context-aware chatbot to help you learn faster. Organize study decks with spaced repetition for efficient review.

Highlights
  • Lecture capture and transcription
  • Automatic summarization
  • AI-powered document search
  • Hands-free flashcard study
  • Spaced repetition learning
  • Companion web portal for advanced features
Features
Read full description

Supercharge the way you study, learn, and research. ChatRobotics is the ultimate all-in-one productivity and study assistant powered by state-of-the-art AI. Designed for students, researchers, and busy professionals, ChatRobotics turns raw lecture recordings, audio, video, and textbooks into your personal interactive knowledge base. Capture your lectures, review your study materials, and chat directly with your files to learn faster than ever before on your mobile device. Key Features: 1. CAPTURE AND TRANSCRIBE LECTURES * High-Accuracy Transcription: Instantly turn any recorded video or audio into clean, searchable written transcripts. * In-App Capture: Record live lectures, meetings, or voice memos directly within the app, or import pre-recorded media files from your library. * Automatic Summarization: Get key takeaways and chapter breakdowns from long lectures. 2. STUDY AND REVIEW SMART FLASHCARDS * Hands-Free Study Mode: Learn on the go! Automatically listen to and review your flashcards hands-free - perfect for commuting, walking, or multitasking. * Premium Mobile Study: Seamlessly browse, access, and study all of your flashcard decks on your iPhone or iPad. * Custom Deck Folders: Navigate your courses, subjects, or study materials organized into structured nested folders (custom folders and deck names are set up on your companion web portal). * Spaced Repetition: Study smart with card difficulty ratings and stats that optimize your review cycles. 3. CONTEXT-AWARE AI CHATBOT (RAG) * Ask Anything: Connect your transcribed lectures and study documents directly to our secure AI assistant. * Document Search: Ask specific questions about your uploaded materials and get instant, detailed summaries. Why Choose ChatRobotics? * Companion Web Portal: Log in to our accompanying website at chat-robotics.com to unlock our advanced power-user suite, including automatic AI flashcard generation, mock exam generation, detailed citation-backed source navigation for your document searches, and the ability to dynamically interact with your flashcards and exams using AI to deeply enhance your learning experience! * Active Mobile Development: We are committed to continuous improvement! We are actively working on future updates to port more of our advanced web companion features directly to the native iOS app over time. * Sleek, Clutter-Free Experience: Enjoy a modern, dark-mode-optimized user interface designed entirely around focused, active learning. * Secure and Private: Your files, transcripts, and voice captures are stored securely and remain entirely private to your account. Transform the way you learn. Download ChatRobotics today and let AI simplify your study flow! Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://chat-robotics.com/privacy.html

Screenshots

MP4 Maker4 screens
Chatrobotics App3 screens

Verdict

The call

The clearest difference is rating: Chatrobotics App at 5.0 against MP4 Maker's 4.6. MP4 Maker's advantage is ratings volume (2.4K vs 1). On price, update cadence, ads 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. MP4 Maker sells 1 one-off in-app purchase and Chatrobotics App sells 5 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Chatrobotics App holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: MP4 Maker has 2.4K ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

Scorecard2 real differences · 8 level
MP4 Maker versus Chatrobotics App: the parameters behind the verdict, then further details
ParameterMP4 MakerChatrobotics App
PriceFreeFree
Rating4.6 (2.4K ratings)5.0 (1 ratings) — better
Positive reviews26.1% of reviews—
Number of ratings2.4K — better1
Update frequencyWeeklyWeekly
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.6 — better16.0
Further details — not scored
Size27 MB11 MB
Age rating4+12+
DeveloperArthur Eduardo Skaetta Alvarez Desenvolvimento de Software LTDA.Kamran Mostafavi

Customer experience

MP4 Maker

All ratings2,340 ratings
Positive89.8%
Neutral1.8%
Negative8.4%
Written reviews222 reviews
Positive26.1%
Neutral5.4%
Negative68.5%

Chatrobotics App

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

Bugs and requests

MP4 Maker

Reported bugs

3 issues
  • Doesn't convert MTS, HEVC, or other common file types
  • Conversion process freezes or fails, even with paid version
  • Converted videos have lower quality than expected

Requested features

4 requests
  • Add support for more video file types
  • Improve conversion quality, especially for higher resolutions
  • Provide more transparency on supported file formats
  • Offer a free trial to test conversion capabilities

Chatrobotics App

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

MP4 Maker

One-time1
  • MP4 Maker Premium$4.99
5 purchases

Chatrobotics App

Subscriptions2
  • $2.99 Monthly Plan$2.991 Month
  • Yearly Membership$12.991 Year
One-time3
  • 5 Credits Pacl$4.99
  • 10 Credits Pack$9.99
  • 20 Credits Pack$19.99

Questions

Is MP4 Maker free?
MP4 Maker is free to download, with in-app purchases available.
Is Chatrobotics App free?
Chatrobotics App is free to download, with in-app purchases available.
Which has better reviews, MP4 Maker or Chatrobotics App?
Chatrobotics App is rated higher. MP4 Maker averages 4.6 out of 5 from 2.4K ratings, while Chatrobotics App averages 5.0 from 1 ratings.
Do MP4 Maker or Chatrobotics App have ads?
Neither MP4 Maker nor Chatrobotics App shows ads.
Which is updated more often, MP4 Maker or Chatrobotics App?
MP4 Maker ships an update weekly, and Chatrobotics App weekly. Most recently, MP4 Maker was updated on November 3, 2026 and Chatrobotics App on October 31, 2026.

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