Comparison

Lectio+ vs GeoGebra CAS Calculator

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

Head to head
About

Lectio+

This app provides students and teachers with essential tools for managing their academic life on the go. It offers real-time notifications for class cancellations, a clear schedule overview, homework tracking, and secure messaging. The app is designed for offline use and prioritizes user data security.

Highlights
  • Class cancellation notifications
  • Weekly schedule overview
  • Homework and assignment tracking
  • Secure messaging
  • Grade and absence statistics
  • Offline functionality
  • Data encryption
Features
Read full description

Accessing Lectio on the go should be easy to do. That's why we made Lectio+. See what makes Lectio+ the ideal choice: • Notifications when your teacher cancels a class • Swift - no time spent waiting • Modern design and great functionality • App Store's best rated Lectio app • Will always be ad-free Students and teachers use Lectio+ every single day, because it makes their day easier and helps with cumbersome tasks. The app is constantly improved with new features, and it can be used even when you're offline. - Notifications: • Notifications keep you updated so you can snooze for an extra hour instead of showing up to a cancelled class. - Schedule: • Familiar colour codes help you get an overview of your schedule • Rotate your device to see the schedule for the whole week • Swipe between days and weeks • Create private appointments - Homework: • See what homework you have been assigned for each day - Assignments: • Countdown until assignments are due - Messages: • Read, delete og reply and send messages • Profile pictures help you identify senders - Absence: • Detailed statistics about your absence - Grades: • See all your grades and notes from your teachers • A weighted average is calculated automatically for you - Security: Lectio+ is the only Lectio-app that encrypts and stores your data securely on your device. Lectio+ is available for teachers, faculty and students at institutions that use Lectio. Some features are restricted to a specific type of user. Terms of use: https://lectio.plus/betingelser

About

GeoGebra CAS Calculator

This powerful algebra calculator helps users solve complex math problems, including equations, derivatives, and integrals. It offers advanced features like working with undefined variables and finding function points. Users can also access free learning activities and share their results.

Highlights
  • Solve equations
  • Expand and factor expressions
  • Find derivatives and integrals
  • Work with undefined variables
  • Computer algebra system (CAS)
  • Function point analysis
  • Table of values for functions
Features
Read full description

Easily solve math problems with our powerful algebra calculator. Millions of people around the world use GeoGebra to learn math and science. Join us! • Solve equations • Expand and factor expressions • Find derivatives and integrals • Work with undefined variables • Experience our powerful computer algebra system (CAS) • Get special points of functions: roots, min, max, intersections • Create a table of values for functions • Do regression with best-fit lines • Search for free learning activities directly from our app • Save and share your results with friends and teachers We’d love to hear from you: send us your questions or feedback via Twitter @geogebra or via https://help.geogebra.org

Screenshots

Lectio+4 screens
GeoGebra CAS Calculator4 screens

Verdict

The call

The clearest difference is rating: Lectio+ at 4.6 against GeoGebra CAS Calculator's 4.0. Lectio+ also leads on update cadence (every 4 days vs monthly). GeoGebra CAS Calculator's advantage is in-app purchases (none vs 4) and review sentiment (64% vs 40%). On price, ratings volume, ads 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. Lectio+ sells 4 in-app purchases, starting at $0.99 per month. GeoGebra CAS Calculator asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Lectio+ holds the better App Store score, 4.6 against 4.0. Both are backed by a comparable volume of ratings — 13 and 14 respectively. Written reviews complicate that: 40% of Lectio+'s written reviews are positive against 64% of GeoGebra CAS Calculator's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

Lectio+ ships an update every 4 days, GeoGebra CAS Calculator monthly. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.

Scorecard5 real differences · 5 level
Lectio+ versus GeoGebra CAS Calculator: the parameters behind the verdict, then further details
ParameterLectio+GeoGebra CAS Calculator
PriceFreeFree
Rating4.6 (13 ratings) — better4.0 (14 ratings)
Positive reviews40.0% of reviews64.3% of reviews — better
Number of ratings1314 — better
Update frequencyEvery 4 days — betterMonthly
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemiumFree — better
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.516.0 — better
Further details — not scored
Size31 MB104 MB
Age rating4+4+
DeveloperTotus Labs ApSGeoGebra GmbH

Customer experience

Lectio+

All ratings13 ratings
Positive92.3%
Neutral0.0%
Negative7.7%
Written reviews5 reviews
Positive40.0%
Neutral0.0%
Negative60.0%

GeoGebra CAS Calculator

All ratings14 ratings
Positive71.4%
Neutral0.0%
Negative28.6%
Written reviews56 reviews
Positive64.3%
Neutral3.6%
Negative32.1%

In-app purchases

4 purchases

Lectio+

Subscriptions2
  • Lectio+ (Monthly subscription)$0.991 Month
  • Lectio+ (Yearly subscription)$9.991 Year
One-time2
  • Lectio+ Student - 1 year$9.99
  • Lectio+ Membership$29.99
None

GeoGebra CAS Calculator

No in-app purchases

Questions

Is Lectio+ free?
Lectio+ is free to download, with in-app purchases available.
Is GeoGebra CAS Calculator free?
GeoGebra CAS Calculator is free to download, with no in-app purchases.
Which has better reviews, Lectio+ or GeoGebra CAS Calculator?
Lectio+ is rated higher. Lectio+ averages 4.6 out of 5 from 13 ratings, while GeoGebra CAS Calculator averages 4.0 from 14 ratings.
Do Lectio+ or GeoGebra CAS Calculator have ads?
Neither Lectio+ nor GeoGebra CAS Calculator shows ads.
Which is updated more often, Lectio+ or GeoGebra CAS Calculator?
Lectio+ ships an update every 4 days, and GeoGebra CAS Calculator monthly. Most recently, Lectio+ was updated on November 6, 2026 and GeoGebra CAS Calculator on November 3, 2026.

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