Para Tutor vs Theo
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Para Tutor
This AI-powered math tutor provides personalized 1:1 help for homework and exam preparation. It offers step-by-step guidance to help users truly understand math concepts, not just get answers. The app supports learning at your own pace, anytime and anywhere.
- Personal AI Tutor
- Learn Math Anytime
- Affordable Math Solver
- Step-by-step Guidance
- Homework Upload & Correction
- Custom Study Plans
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Your personal AI Tutor and Homework Helper for every subject – available 24/7! Need help with homework, studying, or exam prep? With Para Tutor – the all-in-one AI Tutor App – you have a personal tutor right in your pocket for every subject: Math, Physics, Chemistry, Biology, English, History, languages, and more. Whether you need a reliable Homework Helper in middle school, a Study Buddy for high school, or a powerful AI Tutor for your university exams, Para Tutor helps you learn individually and at your own pace. Get real tutoring lessons – just like with a personal tutor who coaches you regularly and adapts to you. Why Para Tutor is the Best Study App for You: A PERSONAL AI TUTOR FOR EVERY SUBJECT Get 1:1 help that feels like working with a real teacher – in any subject. No crowded classes, just focused support from your dedicated AI Tutor. LEARN ANYTIME, ANYWHERE Para Tutor is completely flexible. Get the help you need, whenever and wherever you need it, right from your phone. YOUR LEARNING JOURNEY Follow a personalized study path that tracks your progress, adapts to your strengths and weaknesses, and keeps you motivated lesson after lesson. ACE EVERY EXAM Create custom exam preparation plans, then practice with realistic exam simulations so you walk in confident and ready on test day. STUDY SMARTER WITH FLASHCARDS Turn any topic into smart flashcards and review key concepts to make learning stick. MORE THAN JUST A SOLVER Para Tutor does everything a real tutor would: review exercises, answer questions, build study plans, and prepare you for tests and exams. TRULY UNDERSTAND CONCEPTS Instead of just giving answers, Para Tutor provides step-by-step guidance. We help you understand the how and why so you can solve problems on your own. YOUR GO-TO HOMEWORK HELPER Upload your tasks and photos to get instant corrections, feedback, and fresh exercises for extra practice. How to Start Learning: Start a Lesson: Upload your homework and work through it with your AI Tutor. Practice More: Get new exercises and review with flashcards – check answers instantly via photo. Prepare for Exams: Build a personal study plan, follow your Learning Journey, and train with exam simulations to master every topic. Who is Para Tutor for? For students of all grades and all schools and universities who want a better way to learn, get reliable help in any subject, and achieve better results. * You start with a free 20-minute lesson. After that, you can subscribe to a monthly or yearly plan for unlimited access. Cancel anytime; otherwise it auto-renews. Download Para Tutor – your new favorite AI Tutor and Homework Helper – and start learning today! Terms of Service: https://para-tutor.app/terms Privacy Policy: https://para-tutor.app/privacy
Theo
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Theo is a math tutor for real studying. Snap a problem from your homework, and Theo teaches you how to solve it. You work it out with a pen and paper, the way you will on a test, and Theo reads what you wrote and marks it in red. It doesn't just hand you the answer. It teaches you to get there yourself. HOW A LESSON WORKS • Snap your problem. Take a photo, or pick one from your library. Theo reads it, equations, fractions and all. • Theo checks the basics first. Every problem rests on a few things you were taught before. Theo asks about them one at a time, so the lesson starts from what you actually know. • Anything missing is taught on the spot. Theo shows you why it works instead of handing you a rule to memorize. • Then Theo teaches your problem, start to finish, in short pages you can follow. • Every lesson ends with a recap: just the steps that solved the problem, in one place. ANSWER ON PAPER Theo has no math keyboard. When it asks you something, you write your answer on paper and take a photo. Not sure? Write "I don't know." That's an honest answer, and Theo will work with it. RED PEN FEEDBACK Theo reads your handwriting and marks your own page in red: what you got right, where it went wrong, and what was missing, with a note beside each mark. You see your mistakes on your own work, not described somewhere else. LESSONS THAT KEEP UP WITH YOU Theo listens to your answers as you go. When something isn't landing, it takes smaller steps. When you've got it, it moves faster. PRACTICE SESSIONS When your answers show something you're missing, Theo sets up a practice session on just that idea. It waits for you in Sessions, along with any lesson you haven't finished. WHO IT'S FOR Middle and high school math, from pre-algebra to calculus. YOUR PRIVACY Your photos and answers are never used to train AI models. No ads. Ask us, and we delete your information. SUBSCRIPTION Checking the basics, and learning anything you're missing, is free. A subscription unlocks the rest of each lesson: Theo teaching your problem and the recap. New subscribers get a free trial. Payment is charged to your Apple Account when you confirm your purchase. Your subscription renews automatically unless you cancel it at least 24 hours before the end of the current period, and your account is charged for the renewal within 24 hours before that period ends. You can manage or cancel your subscription in your App Store account settings. Any unused part of a free trial ends when you buy a subscription. Terms of Service: https://learningtheo.com/terms Privacy Policy: https://learningtheo.com/privacy
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Verdict
Para Tutor and Theo are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Para Tutor sells 2 in-app purchases, starting at $6.99 per month and Theo sells 1 in-app purchase, starting at $19.99 per month. Whichever you choose, the download price is not the number that matters.
| Parameter | Para Tutor | Theo |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (8 ratings) — better | — |
| Positive reviews | 66.7% of reviews | — |
| Number of ratings | 8 — better | — |
| Update frequency | Every 2 weeks | — |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Freemium | — |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 16.6 — better | 17.0 |
| Further details — not scored | ||
| Size | 49 MB | 35 MB |
| Age rating | 4+ | 4+ |
| Developer | Paul Thomae | Green Gables Studio, LLC |
In-app purchases
Para Tutor
- Tutoring for 1 Month$6.991 Month
- Tutoring for 12 Months$59.991 Year
Theo
- Theo Monthly3 Days trial$19.991 Month









