Comparison

TT Pre vs CBC Upstate

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

CBC Upstate

Features
Read full description

The Calvary Community Church app will help you stay connected with the day-to-day life of our church. With this app you can: - Watch or listen to past messages - Stay up to date with push notifications - Share your favorite messages via Twitter, Facebook, or email - Download messages for offline listening

Screenshots

TT Pre4 screens
CBC Upstate4 screens

Verdict

The call

TT Pre and CBC Upstate are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 2 months. Both last shipped on November 3, 2026.

ScorecardNo meaningful differences
TT Pre versus CBC Upstate: the parameters behind the verdict, then further details
ParameterTT PreCBC Upstate
PriceFreeFree
Rating3.3 (12 ratings) — better—
Positive reviews28.6% of reviews—
Number of ratings12 — better—
Update frequencyEvery 2 monthsEvery 2 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPod, MaciPhone, iPad, iPod, Apple TV
Requires iOS12.0 — better12.2
Further details — not scored
Size88 MB39 MB
Age rating4+4+
DeveloperTeaching Textbooks, Inc.Calvary Baptist Church (Boiling Springs)

In-app purchases

None

TT Pre

No in-app purchases

None

CBC Upstate

No in-app purchases

Questions

Is TT Pre free?
TT Pre is free to download, with no in-app purchases.
Is CBC Upstate free?
CBC Upstate is free to download, with no in-app purchases.
Do TT Pre or CBC Upstate have ads?
Neither TT Pre nor CBC Upstate shows ads.
Which is updated more often, TT Pre or CBC Upstate?
TT Pre ships an update every 2 months, and CBC Upstate every 2 months. Most recently, TT Pre was updated on November 3, 2026 and CBC Upstate on November 3, 2026.

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