Comparison

AI Chat vs Lemma

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

Head to head
About

AI Chat

This AI-powered assistant simplifies math problem-solving with instant help and step-by-step explanations. Snap a picture of your math problem for quick analysis and clear solutions to improve understanding and grades.

Highlights
  • AI-powered math problem solving
  • Step-by-step explanations
  • Snap and solve equations
  • Instant chat support
  • Pro membership options
Read full description

AI Learning Assistant Make math problem-solving easier and faster with AI. Get step-by-step explanations and reliable support whenever you need help. Our app emerges as a seamless companion designed to simplify and enhance your everyday experiences. Crafted with intuitive functionality and user-friendly design, it effortlessly integrates into your routine, offering a harmonious blend of practicality and sophistication. The app serves as a bridge between convenience and innovation, adapting to your needs with effortless precision. Whether you're managing tasks, staying connected, or exploring new possibilities, it provides a smooth and engaging experience tailored to your preferences. The interface is thoughtfully designed to ensure clarity and ease, allowing you to navigate with confidence and without unnecessary distractions. Snap & Solve Simply take a picture of your math problem, and AI will analyze it, providing clear, step-by-step solutions to guide you. Instant Math Help Struggling with a concept? Chat with AI for quick, precise answers that help you understand better and improve your grades. With a focus on continuous improvement, the app evolves alongside your needs, embracing updates that refine and expand its capabilities. It’s built for those who appreciate thoughtful design and meaningful solutions, offering a digital experience that feels both personal and polished. Whether you're at home, at work, or on the go, it stands as a dependable partner in navigating the rhythms of contemporary life. Try pro features: Get quick answers to any math problem Snap & solve equations fast Step-by-step explanations Pro Membership: Week Unlimited Month Unlimited Annual Unlimited All subscriptions feature a 3-day trial. Your iTunes account will be charged following purchase confirmation. Auto-renewal is applied unless you cancel at least 24 hours before the current period concludes. Access subscription and renewal management in Account Settings. Privacy and Customer Support Access our privacy policy:https://hefudysoc.info/PrivacyPolicy.html Discover how we protect your data by checking our Terms of Use:https://hefudysoc.info/TermsOfUse.html Connect with our support service:mathewbgilbertelna0@outlook.com Download Right Away

About

Lemma

Features
Read full description

Stop copying. Start understanding. Stuck on a maths problem? Lemma isn't another calculator that just gives you the answer. It’s a Socratic Tutor that guides you through the logic, step-by-step. SCAN & LEARN: Point your camera at any handwritten or printed problem. Lemma’s advanced Vision engine recognises the maths and brings it to life on a digital blackboard. SOCRATIC DIALOGUE: Instead of just showing the result, Lemma asks the right questions. It identifies the gaps in your knowledge and provides hints that help you bridge them yourself. BEAUTIFUL LATEX RENDERING: Maths should look like maths. Lemma renders every equation in crisp, professional LaTeX, making complex calculus and algebra easy to read. FEATURES: Instant maths recognition (Handwritten & Printed). Intelligent, curriculum-aware Socratic hints. Support for GCSE and A -Level topics, as well as Undergraduate and Postgraduate modules. History of all your solved sessions. Clean, distraction-free interface. Master the logic. Own the result. Get Lemma. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

AI Chat4 screens
Lemma4 screens

Verdict

The call

The clearest difference is ads: Lemma at none against AI Chat's shown. AI Chat's advantage is update cadence (every 2 days vs every 4 months) and iOS requirement (16.0 vs 26.0). On price, 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. AI Chat sells 4 in-app purchases, starting at $8.99 per 7 days and Lemma sells 1 in-app purchase, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

AI Chat ships an update every 2 days, Lemma every 4 months. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

Scorecard3 real differences · 6 level
AI Chat versus Lemma: the parameters behind the verdict, then further details
ParameterAI ChatLemma
PriceFreeFree
Rating5.0 (2 ratings) — better—
Number of ratings2 — better—
Update frequencyEvery 2 days — betterEvery 4 months
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhoneiPhone, iPad — better
Requires iOS16.0 — better26.0
Further details — not scored
Size30 MB3 MB
Age rating4+4+
DeveloperMatthew GilbertSHAUNAK NAVIN DESAI

In-app purchases

4 purchases

AI Chat

Subscriptions4
  • AI Chat: Math Homework Helper$8.997 Days
  • AI Chat: Math Homework Helper3 Days trial$8.997 Days
  • AI Chat: Math Homework Helper$14.991 Month
Show 1 more
  • AI Chat: Math Homework Helper3 Days trial$15.991 Month
1 purchases

Lemma

Subscriptions1
  • Lemma Pro Monthly$4.991 Month

Questions

Is AI Chat free?
AI Chat is free to download, with in-app purchases available.
Is Lemma free?
Lemma is free to download, with in-app purchases available.
Do AI Chat or Lemma have ads?
AI Chat shows ads; Lemma does not.
Which is updated more often, AI Chat or Lemma?
AI Chat ships an update every 2 days, and Lemma every 4 months. Most recently, AI Chat was updated on October 30, 2026 and Lemma on October 31, 2026.

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