SnapX vs Sigma
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
SnapX
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SnapX โ Solve problems easily, understand deeper Simply take a photo of your Math, Physics, Chemistry, or Biology problem, and SnapX will provide a detailed step-by-step solution within seconds. The app goes beyond just giving answers with Feynman Mode โ a special feature that helps you truly understand concepts in a simple and memorable way. Key features: Smart Scan: capture and crop quickly with clear results. Step-by-step solutions: easy to follow and understand. Feynman Mode: learn deeply and grasp the core instead of just memorizing. Multi-language support: Vietnamese, English, Chinese, Japanese, Spanish, Portuguese, German, Italian, Russian, Arabic. Extra tools: periodic table, quick Q&A about lessons. Who is it for? Students who want to learn faster and understand better. Test takers who need accurate answers to save time. Anyone who loves science and wants to explore knowledge in an easy way. Download SnapX now and make learning a fun and effective experience every day. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Sigma
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Staring at a statistics problem shouldn't feel impossible. Stat Solver gives you the tools to understand, practice, and master statistics โ whether you're in college, prepping for an exam, or just trying to survive the semester. Scan & Solve Point your camera at any statistics problem and let AI analyze it instantly. Get clear, step-by-step solutions without the guesswork. AI Tutor Chat Ask your statistics tutor anything โ probability, distributions, hypothesis testing, regression. Get real answers in plain language, anytime. Practice with 60 Levels Work through a structured learning path from beginner to advanced. Filter by topic and earn XP as you progress through quizzes designed to actually prepare you for exams. Statistics Calculator Solve binomial, normal, Poisson, Z-score, T-distribution, and more โ with visual graphs and instant results. Statistical Tables & Formulas Z-Table, T-Table, Chi-Square, and comprehensive formula sheets โ everything you need in one place, no internet required. Built for real students Dark mode, daily reminders, and a clean interface designed to make studying less painful. AI-assisted scanning and Tutor Chat available with purchase. Support: https://yorgisoft.vercel.app Terms Of Use: https://yorgisoft.vercel.app/#/terms Privacy Policy: https://yorgisoft.vercel.app/#/privacy
Screenshots
Verdict
The clearest difference is update cadence: SnapX at fortnightly against Sigma's every 2 months. SnapX also leads on iOS requirement (13.0 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. SnapX sells 3 in-app purchases, starting at $6.99 per 7 days and Sigma sells 2 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.
SnapX ships an update fortnightly, Sigma every 2 months. The most recent releases landed on February 28, 2026 and September 18, 2026 respectively.
| Parameter | SnapX | Sigma |
|---|---|---|
| Price | Free | Free |
| Update frequency | Fortnightly โ better | Every 2 months |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad, iPod โ better | iPhone, iPad |
| Requires iOS | 13.0 โ better | 26.0 |
| Further details โ not scored | ||
| Size | 40 MB | 81 MB |
| Age rating | 4+ | 4+ |
| Developer | Nguyen Manh | Yorgi Del Rio |
In-app purchases
SnapX
- Weekly_Plan3 Days trial$6.997 Days
- Monthly3 Days trial$12.991 Month
- Yearly Pro3 Days trial$49.991 Year
Sigma
- Weekly3 Days trial$4.997 Days
- Annual$29.991 Year





