Comparison

TT Pre vs Calculus

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

Head to head
About

TT Pre

This educational app provides comprehensive pre-calculus lessons and practice problems. It features audiovisual lectures, automated grading, and step-by-step explanations to help students learn independently. Parental controls allow progress tracking, and the digitized textbook is searchable.

Highlights
  • 95 audiovisual lectures
  • Thousands of practice problems
  • Automated grading and instant feedback
  • Step-by-step audiovisual explanations
  • Parental progress tracking
  • Digitized textbook with search
Read full description

The Teaching Textbooks Pre-Calculus app makes your TT course even better! Not only will your student enjoy math while learning independently, but, with the app, that learning can also take place on the go. Even when offline! Specifically, the app can be used offline for up to 6 lessons at a time. That makes it perfect for homeschool parents who need their kids to stay productive while the family is out and about during the day. The app’s other features include… • 95 audiovisual lectures that teach every core concept in the standard 12th grade curriculum • thousands of problems that give students all the practice they need to master each concept • automated grading and instant feedback for every single problem • step-by-step audiovisual explanations to every single problem so students can see exactly what they did wrong when mistakes are made (This makes the program feel as if a tutor is at the student’s side!) • parental controls that let you track your student’s progress • the digitized version of the printed Teaching Textbooks Pre-Calculus textbook (with a search feature and a hyper-linked index) • no advertising or in-app purchase offers • Internet connectivity is required, but you can remain offline for up to 6 lessons.

About

Calculus

Learn calculus comprehensively through 10 chapters and reinforce your understanding with an interactive quiz game. This app caters to both beginners and advanced learners, offering hints and challenging problems. Enjoy a clear, adaptable interface with font size adjustments and light/dark mode support.

Highlights
  • 10-chapter calculus curriculum
  • Interactive calculus quiz game
  • Beginner to advanced learning paths
  • Adjustable font size
  • Light and dark mode support
  • Covers differentiation, integration, and differential equations
Read full description

Study Calculus from A to Z in 10 chapters, all in one app! Then play the in-app Calculus Quiz game to perfect your skills. One Level builds the necessary knowledge for the next Level as you advance. - Suitable for BEGINNERS: Teach yourself Calculus from Zero to the level of a Pro using the HINTS provided. - Adequate for the PROs: Revise and consolidate your Calculus knowledge while facing off with real Pure Math challenges. - Enjoy crisp clear Math text that adjusts its Font size and adapts to both Light and Dark Mode. Featured topics: - Differentiation 1: Curve gradient, Tangents and Normals, Velocity and Acceleration - Differentiation 2: Maxima and Minima, Curve sketching, Second derivative, Small changes - Integration: Reverse differentiation, Area under a curve, Definite integrals, Solids of Revolution, Centres of gravity - Further differentiation: Chain rule, Products and Quotients, Implicit functions, Parameters, Second derivatives - Trigonometry: Radian measure, Trigonometry derivatives, Inverse trigonometry, General solutions - Further Integration 1: Function and derivative, Change of variable, Parameters, Inverse trigonometry - Exponential and Log functions: The exponential function, Deriving y = e^x, The natural logarithm, Logarithmic differentiation - Partial fractions: Linear factors, Quadratic factors, Repeated roots, Improper fractions - Further Integration 2: Integration by parts, Taking dv/dx as 1, Variable t = tan(x/2), Splitting the numerator - Differential equations: Separating variables, Integrating factor, Homogenous equations, Differential problems

Screenshots

TT Pre4 screens
Calculus4 screens

Verdict

The call

The clearest difference is in-app purchases: TT Pre at none against Calculus's 13. TT Pre also leads on update cadence (every 2 months vs every 16 months) and iOS requirement (12.0 vs 15.0). On price, rating, review sentiment and ratings volume 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. Calculus sells 13 one-off in-app purchases. TT Pre asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 3.6 for TT Pre against 3.5 for Calculus. Both are backed by a comparable volume of ratings — 9 and 4 respectively. Written reviews are what separate them: 29% of TT Pre's written reviews are positive against 33% of Calculus's.

UpkeepUpdate frequency

TT Pre ships an update every 2 months, Calculus every 16 months. The most recent releases landed on October 8, 2026 and September 27, 2026 respectively.

Scorecard4 real differences · 6 level
TT Pre versus Calculus: the parameters behind the verdict, then further details
ParameterTT PreCalculus
PriceFreeFree
Rating3.6 (9 ratings) — better3.5 (4 ratings)
Positive reviews28.6% of reviews33.3% of reviews — better
Number of ratings9 — better4
Update frequencyEvery 2 months — betterEvery 16 months
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPod, Mac — betteriPhone, iPad, iPod
Requires iOS12.0 — better15.0
Further details — not scored
Size88 MB40 MB
Age rating4+4+
DeveloperTeaching Textbooks, Inc.Richard Ssenyonjo

Customer experience

TT Pre

All ratings9 ratings
Positive77.8%
Neutral0.0%
Negative22.2%
Written reviews7 reviews
Positive28.6%
Neutral0.0%
Negative71.4%

Calculus

All ratings4 ratings
Positive50.0%
Neutral25.0%
Negative25.0%
Written reviews6 reviews
Positive33.3%
Neutral16.7%
Negative50.0%

In-app purchases

None

TT Pre

No in-app purchases

13 purchases

Calculus

One-time13
  • Get 1,000 Coins$0.99
  • Get 5,000 Coins$1.99
  • Get 10,000 Coins$2.99
Show 10 more
  • Unlock Calculus 1$2.99
  • Unlock Calculus 2$2.99
  • Unlock Calculus 3$2.99
  • Unlock Chapter 5$2.99
  • Unlock Calculus 8$2.99
  • Unlock Calculus 9$2.99
  • Unlock Calculus 4$2.99
  • Unlock Calculus 6$2.99
  • Unlock Calculus 7$2.99
  • Unlock Calculus 10$2.99

Questions

Is TT Pre free?
TT Pre is free to download, with no in-app purchases.
Is Calculus free?
Calculus is free to download, with in-app purchases available.
Which has better reviews, TT Pre or Calculus?
TT Pre is rated higher. TT Pre averages 3.6 out of 5 from 9 ratings, while Calculus averages 3.5 from 4 ratings.
Do TT Pre or Calculus have ads?
Neither TT Pre nor Calculus shows ads.
Which is updated more often, TT Pre or Calculus?
TT Pre ships an update every 2 months, and Calculus every 16 months. Most recently, TT Pre was updated on October 8, 2026 and Calculus on September 27, 2026.

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