Comparison

TT Pre vs I Aced Calculus AP Prep

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

I Aced Calculus AP Prep

Master single-variable calculus with this comprehensive study companion. It offers flashcards, practice questions, video explanations, and AI assistance to prepare for AP exams or college courses. Study modes and difficulty levels cater to all learners.

Highlights
  • 400+ Smart Flashcards
  • 1200+ Practice Questions
  • Video Explanations
  • AI Assistance
  • Spaced Repetition Study Mode
  • Calculator Tips
Features
Read full description

Master Calculus Anywhere, Anytime Take your Calculus skills to the next level with I Aced Calculus, the ultimate study companion for mastering single-variable Calculus. Whether you're preparing for the AP Calculus AB/BC exams or tackling a college-level course, our app has everything you need to succeed. What You Get: 400+ Smart Flashcards and 1200+ practice questions to make sure you’ve got it down. 9 Comprehensive Deck Lists, including: Calculus Prerequisites Limits and Continuity Derivatives Applications of Differentiation Integrals Applications of Integration Differential Equations Polar, Vector, and Parametric Equations Sequences and Series Bonus Decks with essential cards for the AP exams, and a custom deck feature tailored to your own learning. SPECIAL Features: Video Explanations for most flashcards and select practice questions to break down complex concepts in a digestible way. 3 Study Modes for flashcards: In Order, Shuffled and Spaced repetition. 4 Difficulty Levels for practice questions: Easy, Medium, Hard, and Challenge—perfect for beginners and advanced learners alike. AI Assistance for extra explanation on practice questions. Calculator Tips to boost your TI-84 and TI-Nspire skills. On-the-Go Convenience with clear, concise, and expertly crafted materials designed to help you master Calculus efficiently. What You Pay: FREE Unlimited access to the full Derivatives deck, including all study modes, practice questions, and video explanations. FREE 7-Day access to I Aced Calculus premium, unlocking all 8 calculus decks, AP prep decks, custom deck features, and more. $7.99 per month access to I Aced Calculus premium. $19.99 per 3 months access to I Aced Calculus premium. $35.99 per year access to I Aced Calculus premium. Download I Aced Calculus and follow us on our socials! Website: www.iacedcalculus.com Instagram: @iacedcalculus Facebook: @iacedcalculus YouTube: @iacedcalculus Terms of Use: https://iacedcalculus.com/terms-of-use/ Privacy Policy: https://iacedcalculus.com/privacy-policy/ Apple's Standard License Agreement: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

TT Pre4 screens
I Aced Calculus AP Prep4 screens

Verdict

The call

The clearest difference is review sentiment: I Aced Calculus AP Prep at 88% against TT Pre's 29%. I Aced Calculus AP Prep also leads on rating (4.6 vs 3.3) and update cadence (every 2 weeks vs every 2 months). TT Pre's advantage is in-app purchases (none vs 3) and iOS requirement (12.0 vs 15.0). 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. I Aced Calculus AP Prep sells 3 in-app purchases, starting at $7.99 per month. TT Pre asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

I Aced Calculus AP Prep holds the better App Store score, 4.6 against 3.3. Both are backed by a comparable volume of ratings — 12 and 30 respectively. Written reviews point the same way: 29% of TT Pre's written reviews are positive against 88% of I Aced Calculus AP Prep's.

UpkeepUpdate frequency

TT Pre ships an update every 2 months, I Aced Calculus AP Prep every 2 weeks. Both last shipped on November 3, 2026.

Scorecard6 real differences · 4 level
TT Pre versus I Aced Calculus AP Prep: the parameters behind the verdict, then further details
ParameterTT PreI Aced Calculus AP Prep
PriceFreeFree
Rating3.3 (12 ratings)4.6 (30 ratings) — better
Positive reviews28.6% of reviews87.5% of reviews — better
Number of ratings1230 — better
Update frequencyEvery 2 monthsEvery 2 weeks — better
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 MB64 MB
Age rating4+4+
DeveloperTeaching Textbooks, Inc.I Aced Calculus, LLC

Customer experience

TT Pre

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

I Aced Calculus AP Prep

All ratings30 ratings
Positive86.7%
Neutral6.7%
Negative6.7%
Written reviews16 reviews
Positive87.5%
Neutral6.3%
Negative6.3%

In-app purchases

None

TT Pre

No in-app purchases

3 purchases

I Aced Calculus AP Prep

Subscriptions3
  • Premium - Monthly7 Days trial$7.991 Month
  • Premium - 3 Months7 Days trial$19.993 Months
  • Premium - Annual7 Days trial$35.991 Year

Questions

Is TT Pre free?
TT Pre is free to download, with no in-app purchases.
Is I Aced Calculus AP Prep free?
I Aced Calculus AP Prep is free to download, with in-app purchases available.
Which has better reviews, TT Pre or I Aced Calculus AP Prep?
I Aced Calculus AP Prep is rated higher. TT Pre averages 3.3 out of 5 from 12 ratings, while I Aced Calculus AP Prep averages 4.6 from 30 ratings.
Do TT Pre or I Aced Calculus AP Prep have ads?
Neither TT Pre nor I Aced Calculus AP Prep shows ads.
Which is updated more often, TT Pre or I Aced Calculus AP Prep?
TT Pre ships an update every 2 months, and I Aced Calculus AP Prep every 2 weeks. Most recently, TT Pre was updated on November 3, 2026 and I Aced Calculus AP Prep on November 3, 2026.

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