Comparison

Study Buddy | AI Assistant vs ∫dx

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

Head to head
About

Study Buddy | AI Assistant

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Study Buddy is a powerful multilingual AI conversational avatar-based student helper designed to make learning accessible and personalized. Using GPT-4.1 and DALL-E 3, Study Buddy enables students to learn in their native language, making education more inclusive and effective. Download today and test with free TalkTime! Here's how it works: Key Features: Conversational Native Language Learning: Speak to the AI in your native language and receive responses in the same or a different language, making it a great tool for language learning as well. The AI's language flexibility ensures that students can interact in a way that suits their learning style. AI-Powered Personalization: Customize your AI companion by naming it, providing your own name, age, study subjects, and interests. Take a selfie or upload a photograph to create a hyper-customizable avatar, making your AI experience truly personal. Advanced AI Backend: GPT-4.1 serves as the AI engine, delivering intelligent and accurate responses to your questions. Whether it's solving a math problem, explaining a scientific concept, or offering insights into historical events, Study Buddy has you covered. DALL-E 3 takes care of the image generation functionality! Upload and Analyze Textbooks: Upload your textbooks or specific chapters to the app. Study Buddy can provide detailed explanations, synopses, and key takeaways, helping you understand complex topics quickly. Question Paper Analysis: Take a photograph or upload a scanned question paper, and Study Buddy will analyze it for repetitive questions or themes, giving you a leg up in your exam preparation. Read and Explain Written Notes: Capture your handwritten notes with your camera, and Study Buddy will read and explain them, ensuring that your personal notes become an even more powerful study tool. Graphical and Image Responses: The AI can generate graphs, charts, and images in response to queries, helping you visualize data and concepts for better understanding. Social Media Sharing: Share your AI-generated responses, graphs, or images with your classmates or study groups on social media or via email. This collaborative feature enhances collective learning and keeps you connected with your peers. Comprehensive Search Capabilities: Use the app's robust search feature to look up information online, or search within uploaded files like Docs, PDF, PPT, images, and even code files. Study Buddy also supports JSON data uploads, making it versatile for various study needs. Flexible Payment Options: Study Buddy operates on a "TalkTime" payment model. Upon downloading, users receive a free TalkTime tier to test the app. Once exhausted, additional Talk Time can be purchased to continue benefiting from the AI’s capabilities. Use Cases: Exam Preparation: Upload past exam papers to identify recurring questions and key topics. Homework Assistance: Ask the AI for help on any subject, and receive explanations in your native language. Project Work: Use the app’s graphical and image generation features to create visuals for presentations. Collaborative Learning: Share your study materials and AI-generated insights with friends to foster a community learning environment. With Study Buddy you can: 1. Name your AI, tell the AI your name and your subject, age and interest for personalized assistance. 2. Select male or female voice and select male or female avatar from a selfie or a photo of your friend in the gallery of your phone. 4. Select input and output language which can help in learning foreign languages or having tough concepts explained in your native language. 5. Conversational interaction with editable text in preferred language. 6. Online search for latest information. 7. Upload files and images to understand the content. 8. Take photographs to analyze question paper and handwritten notes. 10. Output graphs and generate images from text. 12. All response is in selected language and can be shared in email and WhatsApp.

About

∫dx

Features
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∫ dx: A-Level Maths Revision Getting good at A-Level Maths takes one thing: deliberate practice. Not more notes. Not another YouTube playlist. Questions, done consistently, until the methods become second nature. dx is built for exactly that. Smart revision that adapts to you dx tracks every question you rate as "needs work" or "partially got it" and brings it back at the right time - spacing reviews so you're drilling your weak spots, not wasting time on what you already know. AI hints that teach, not spoil Stuck on a question? Get a progressive hint that nudges you in the right direction without giving away the answer. Learn to think through problems, not just copy solutions. Full worked solutions Tap to reveal a step-by-step mark-scheme solution for every question. Not generic ChatGPT answers - structured worked examples built for A-Level Maths. What's inside: • Thousands of exam-style questions across Pure, Statistics, and Mechanics • Edexcel and OCR question banks • LaTeX rendering so every equation and diagram is crisp and readable • Daily 10 - a focused session mixing new questions with spaced review • Custom Practice - drill any topic, any category, any time • Progress tracking so you always know where you stand Free to start. Premium to go further. The core app is free. Premium unlocks unlimited AI hints, full worked solutions, and unlimited custom practice sessions. A-Level Maths rewards consistency. Use dx to build the habit, close the gaps, and hit the grade you're aiming for. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Study Buddy | AI Assistant4 screens
∫dx4 screens

Verdict

The call

The clearest difference is update cadence: ∫dx at monthly against Study Buddy | AI Assistant's every 6 months. On price, ads, in-app purchases 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. Study Buddy | AI Assistant sells 2 one-off in-app purchases and ∫dx sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Study Buddy | AI Assistant ships an update every 6 months, ∫dx monthly. The most recent releases landed on September 11, 2026 and September 6, 2026 respectively.

Scorecard1 real difference · 5 level
Study Buddy | AI Assistant versus ∫dx: the parameters behind the verdict, then further details
ParameterStudy Buddy | AI Assistant∫dx
PriceFreeFree
Update frequencyEvery 6 monthsMonthly — better
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.0 — better15.1
Further details — not scored
Size156 MB42 MB
Age rating4+4+
DeveloperUrav Advanced Learning Systems Private LimitedPRANEEL AGRAWAL

In-app purchases

2 purchases

Study Buddy | AI Assistant

One-time2
  • 1 TalkTime$5.99
  • Promo TalkTime$5.99
2 purchases

∫dx

Subscriptions2
  • dx Premium Monthly$4.991 Month
  • dx Premium Annual$12.991 Year

Questions

Is Study Buddy | AI Assistant free?
Study Buddy | AI Assistant is free to download, with in-app purchases available.
Is ∫dx free?
∫dx is free to download, with in-app purchases available.
Do Study Buddy | AI Assistant or ∫dx have ads?
Neither Study Buddy | AI Assistant nor ∫dx shows ads.
Which is updated more often, Study Buddy | AI Assistant or ∫dx?
Study Buddy | AI Assistant ships an update every 6 months, and ∫dx monthly. Most recently, Study Buddy | AI Assistant was updated on September 11, 2026 and ∫dx on September 6, 2026.

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