Comparison

JewishHolidays vs Linear Algebra Visualizer

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

Head to head
About

JewishHolidays

Features
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Your complete guide to the Jewish year, rooted in Chasidic and Chabad tradition. Jewish Holidays & Shabbat Times brings the beauty and depth of Jewish life to your fingertips. Whether you are preparing for Shabbat, learning about an upcoming holiday, or looking up the day's prayers, this app provides everything you need in one elegant, easy-to-use package. COMPREHENSIVE HOLIDAY CALENDAR Browse over 20 holidays across the Jewish year, including major festivals, minor holidays, fast days, and commemorative occasions. The interactive calendar view marks every holiday with visual indicators so you never miss an important date. All dates follow the Diaspora calendar. DEEP HOLIDAY KNOWLEDGE Each holiday includes rich, detailed content drawn from Chasidic and Chabad sources: - Historical background and origins - Rabbinic teachings and ideas - Traditional customs and observances - Fasting information for fast days - Complete prayer texts TRILINGUAL PRAYER TEXTS Access prayers and blessings in three formats: - Original Hebrew text - Phonetic transliteration for easy reading - Full English translation Perfect for learners and experienced practitioners alike. SHABBAT & ZMANIM - Accurate candle lighting and Havdalah times based on your location - Zmanim (halachic times) calculated for your exact position - Location-based calculations using GPS - Weekly Torah portion (Parasha) display NOTIFICATIONS & REMINDERS Receive timely push notifications before Shabbat and holidays so you can prepare with peace of mind. All notifications are processed locally on your device. GLOSSARY Traditional Hebrew terms explained PROFILES OF RABBIS Profiles of the most influential rabbis with life details, teachings, and publications. BEAUTIFUL DESIGN - Clean, modern interface - Full dark mode support - Smooth navigation across four intuitive tabs HOLIDAYS COVERED INCLUDE: Rosh Hashanah, Yom Kippur, Sukkot, Shemini Atzeret, Simchat Torah, Chanukah, Tu BiShvat, Purim, Pesach, Lag BaOmer, Shavuot, Tisha B'Av, Tzom Gedaliah, Asara B'Tevet, Ta'anit Esther, Shiva Asar B'Tammuz, Yom HaShoah, Yom HaZikaron, Yom HaAtzmaut, Yom Yerushalayim, and more. One-time purchase. No subscriptions. No ads. Just Torah.

About

Linear Algebra Visualizer

This app helps you understand linear algebra by visualizing matrix transformations. It shows the step-by-step math behind transformations, allowing you to build visual intuition and see how matrices work.

Highlights
  • Visualize matrix transformations
  • Understand step-by-step math
  • Build visual intuition
  • See effect of TRS order
  • Explore eigenvectors and eigenvalues
  • Manipulate transformations
Features
Read full description

Ever wondered what a matrix is really doing? Whether you're learning it yourself or teaching students who are stuck, this app lets you visualize and manipulate matrix transformations, so you can finally see how and why they work. WHY IT CLICKS Most apps show you the answer. This one shows you why. The columns of a matrix are just where the basis vectors î and ĵ land. Column one is red. Column two is green. Follow those colors from your input, through the transformed vectors, into the step-by-step math. One number, traced all the way to its effect. With Linear Algebra Visualizer you: - Can finally build the visual intuition of linear algebra - Understand the math behind each transformation - Visually see why TRS order matters - Understand the effect of adding multiple matrices and translations - Watch eigenvectors and eigenvalues come alive BUILT FOR - Students surviving their first linear algebra course - Graphics programmers who want intuition, not just formulas - Teachers who need a live demo that lands - Anyone who's stared at a matrix and thought "but why does this work?" - Visual thinkers who've struggled to picture it all in their head Stop memorizing matrices. Start seeing them. Download Linear Algebra Visualiser: Rotate, Scale, Shear, Reflect, Translate and learn to understand transformations visually. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

JewishHolidays4 screens
Linear Algebra Visualizer4 screens

Verdict

The call

The clearest difference is price: Linear Algebra Visualizer at Free against JewishHolidays's $0.99. Linear Algebra Visualizer also leads on device support (3 vs 1). JewishHolidays's advantage is in-app purchases (none vs 3) and update cadence (every 5 days vs every 2 weeks). On ads 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

Linear Algebra Visualizer is free to download; JewishHolidays costs $0.99 up front. Linear Algebra Visualizer sells 3 in-app purchases, starting at $4.99 per month. JewishHolidays asks for nothing beyond the download.

UpkeepUpdate frequency

JewishHolidays ships an update every 5 days, Linear Algebra Visualizer every 2 weeks. Both last shipped on November 9, 2026.

Scorecard5 real differences · 4 level
JewishHolidays versus Linear Algebra Visualizer: the parameters behind the verdict, then further details
ParameterJewishHolidaysLinear Algebra Visualizer
Price$0.99Free — better
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyEvery 5 days — betterEvery 2 weeks
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Freemium
DevicesiPhoneiPhone, iPad, Mac — better
Requires iOS16.0 — better18.6
Further details — not scored
Size4 MB13 MB
Age rating4+4+
DeveloperJiri LandovskyNiclas Jeppsson

In-app purchases

None

JewishHolidays

No in-app purchases

3 purchases

Linear Algebra Visualizer

Subscriptions2
  • Pro7 Days trial$4.991 Month
  • Pro7 Days trial$34.991 Year
One-time1
  • Pro$99.99

Questions

Is JewishHolidays free?
JewishHolidays costs $0.99, with no in-app purchases.
Is Linear Algebra Visualizer free?
Linear Algebra Visualizer is free to download, with in-app purchases available.
Do JewishHolidays or Linear Algebra Visualizer have ads?
Neither JewishHolidays nor Linear Algebra Visualizer shows ads.
Which is updated more often, JewishHolidays or Linear Algebra Visualizer?
JewishHolidays ships an update every 5 days, and Linear Algebra Visualizer every 2 weeks. Most recently, JewishHolidays was updated on November 9, 2026 and Linear Algebra Visualizer on November 9, 2026.

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