# 78Bart vs TT Geometry

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.

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.

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.

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.

## The numbers

| Metric | 78Bart | TT Geometry |
| --- | --- | --- |
| Price | $29.99 | **Free** |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/78bart/id1130844882/reviews) | **[3.6 (44 ratings)](https://appshunter.io/ios/app/tt-geometry/id1516357927/reviews)** |
| Number of ratings | 1 | **44** |
| Positive reviews | 0.0% of reviews | **78.3% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 2 months** |
| Monetization | Paid | **Free** |
| Size | 29 MB | 99 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPad | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Bright Solutions for Dyslexia, Inc.](https://appshunter.io/developer/637391425) | [Teaching Textbooks, Inc.](https://appshunter.io/developer/1516345361) |

## What reviewers say

### 78Bart

[App page](https://appshunter.io/ios/app/78bart/id1130844882)

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

**In-app purchases:** none


### TT Geometry

[App page](https://appshunter.io/ios/app/tt-geometry/id1516357927)

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

**In-app purchases:** none


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*