Comparison

78Bart vs TT Geometry

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

Head to head
About

78Bart

This application is designed exclusively for users of Levels 7 and 8 of the Barton Reading & Spelling System. It serves as a digital tool to enhance tutoring sessions, saving valuable time. Users must already own the specified levels of the Barton System to access its features.

Highlights
  • Digital Barton Reading & Spelling System tool
  • Enhances tutoring sessions
  • Saves tutor time
  • Requires ownership of Levels 7 & 8
  • Login credentials required
Read full description

This app is only for people who own or use Levels 7 and 8 of the Barton Reading & Spelling System. You will be charged $29.99 as soon as you download this app. This app is only a small part of the Barton Reading & Spelling System. So, if you do NOT already own Levels 7 and 8 of the Barton System, do NOT download this app. If you own, Barton Reading and Spelling System Level 7 and Level 8, please contact 408-559-3652 or info@BartonReading.com to get login credentials. More than just tiles on an iPad, this app will save Barton tutors at least 10 minutes each session. To see how, watch the demo videos that are on www.BartonTiles.com.

About

TT Geometry

This app enhances a geometry course with independent learning and on-the-go access, even offline for up to six lessons. It offers audiovisual lectures, practice problems, automated grading, and detailed explanations, making math engaging for students.

Highlights
  • Offline access for up to 6 lessons
  • 110 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 Geometry 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… • 110 audiovisual lectures that teach every core concept in the standard 10th 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 Geometry 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.

Screenshots

TT Geometry4 screens

Verdict

The call

The clearest difference is review sentiment: TT Geometry at 78% against 78Bart's 0%. TT Geometry also leads on price (Free vs $29.99) and rating (3.6 vs 1.0). On ads and in-app purchases 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

TT Geometry is free to download; 78Bart costs $29.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

TT Geometry holds the better App Store score, 3.6 against 1.0. That said, the two scores are not equally well evidenced: TT Geometry has 44 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 0% of 78Bart's written reviews are positive against 78% of TT Geometry's.

UpkeepUpdate frequency

78Bart ships an update every 6 months, TT Geometry every 2 months. The most recent releases landed on June 1, 2026 and September 15, 2026 respectively.

Scorecard8 real differences · 2 level
78Bart versus TT Geometry: the parameters behind the verdict, then further details
Parameter78BartTT Geometry
Price$29.99Free — better
Rating1.0 (1 ratings)3.6 (44 ratings) — better
Positive reviews0.0% of reviews78.3% of reviews — better
Number of ratings144 — better
Update frequencyEvery 6 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidFree — better
DevicesiPadiPhone, iPad, iPod, Mac — better
Requires iOS15.012.0 — better
Further details — not scored
Size29 MB99 MB
Age rating4+4+
DeveloperBright Solutions for Dyslexia, Inc.Teaching Textbooks, Inc.

Customer experience

78Bart

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

TT Geometry

All ratings44 ratings
Positive65.9%
Neutral6.8%
Negative27.3%
Written reviews23 reviews
Positive78.3%
Neutral8.7%
Negative13.0%

In-app purchases

None

78Bart

No in-app purchases

None

TT Geometry

No in-app purchases

Questions

Is 78Bart free?
78Bart costs $29.99, with no in-app purchases.
Is TT Geometry free?
TT Geometry is free to download, with no in-app purchases.
Which has better reviews, 78Bart or TT Geometry?
TT Geometry is rated higher. 78Bart averages 1.0 out of 5 from 1 ratings, while TT Geometry averages 3.6 from 44 ratings.
Do 78Bart or TT Geometry have ads?
Neither 78Bart nor TT Geometry shows ads.
Which is updated more often, 78Bart or TT Geometry?
78Bart ships an update every 6 months, and TT Geometry every 2 months. Most recently, 78Bart was updated on June 1, 2026 and TT Geometry on September 15, 2026.

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