Sigma - GPA Calculator
Sigma - GPA Calculator Summary
Sigma - GPA Calculator is a free, ad-supported, with in-app purchases Android app in Education by Wikivec, Inc.. Released in Feb 2026 (7 months ago). It has about 43+ installs Based on AppGoblin estimates, it reaches roughly 4.00 monthly active users and generates around $<10K monthly revenue (73% IAP / 27% ads). Store last updated Feb 5, 2026
Recent activity: 1.00 installs this week (10 over 4 weeks) showing above average growth View trends β
Sigma - GPA Calculator SDKs Summary
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App Description
Calculate your real GPA with credit-hour weighting. Per-class grading scales
The Ξ£ in your GPA, calculated correctly.
Sigma is the GPA calculator built for college students who need accurate, credit-weighted grade tracking. Unlike other grade calculators that simply average your grades, Sigma uses the real formula β weighting each course by its credit hours. Set up per-class grading scales, track assignments, and always know your real GPA.
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ACCURATE GPA CALCULATIONS
The only grade calculator that gets credit-hour weighting right.
β’ Credit-weighted GPA β a 4-credit course impacts your GPA more than a 1-credit course, just like your transcript
β’ Per-class grading scales β set A/B/C or A+/A/A- independently for each course
β’ Semester and cumulative GPA β view your GPA by term or across your entire college career
β’ Real-time updates β your GPA recalculates instantly as you enter grades
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COMPLETE GRADE TRACKING
Everything you need to track grades and plan ahead.
β’ Weighted categories β set up Exams (40%), Homework (30%), Labs (30%) with custom weights
β’ Assignment tracking β log every quiz, exam, and homework with points earned and possible
β’ "What Do I Need?" calculator β find out exactly what score you need on your final to hit your target grade
β’ Drop lowest β automatically exclude your lowest scores, just like your professor does
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BUILT FOR STUDENTS
Designed around how students actually use a grade tracker.
β’ 6 classes free β enough for a full semester, no paywall on day one
β’ Works offline β no internet required, your grades are stored locally on your device
β’ Private by design β no data collection, no location tracking, grades stored locally
β’ Material Design β clean, modern interface that fits right in on Android
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PRICING
FREE:
β’ Up to 6 classes with full grade tracking
β’ Credit-weighted GPA calculator
β’ Per-class grading scales
β’ "What Do I Need?" calculator
β’ Unlimited assignments and categories
PREMIUM SUBSCRIPTION
Sigma Premium unlocks all features:
β’ Premium Monthly: $4.99/month
β’ Premium Annual: $29.99/year (Save 50%) β includes 7-day free trial
Premium adds unlimited classes, home screen widgets, custom themes, PDF/CSV export, and advanced "what if" scenarios.
Subscriptions automatically renew unless canceled at least 24 hours before the end of the current period. Manage subscriptions in Google Play Store β Account β Subscriptions.
Privacy Policy: https://sigma.bulpara.com/privacy
Terms of Service: https://sigma.bulpara.com/terms