# CB1 Blockly vs TT Pre

CB1 Blockly and TT Pre both sit at 3.3 stars, but that hides the real split: 42% of TT Pre's written reviews are positive against 17% of CB1 Blockly's. TT Pre also leads on ratings volume (141 vs 15) and device support (4 vs 1). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 3.3 for CB1 Blockly against 3.2 for TT Pre. That said, the two scores are not equally well evidenced: TT Pre has 141 ratings behind it against 15, so its average is the more settled of the two. Written reviews are what separate them: 17% of CB1 Blockly's written reviews are positive against 42% of TT Pre's.

CB1 Blockly ships an update every 4 weeks, TT Pre every 2 months. The most recent releases landed on October 15, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | CB1 Blockly | TT Pre |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.3 (15 ratings)](https://appshunter.io/ios/app/cb1-blockly/id1164453711/reviews)** | [3.2 (141 ratings)](https://appshunter.io/ios/app/tt-pre-algebra/id1516357235/reviews) |
| Number of ratings | 15 | **141** |
| Positive reviews | 16.7% of reviews | **42.3% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 weeks** | Every 2 months |
| Monetization | Free | Free |
| Size | 3 MB | 84 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPad | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [T2T Inc.](https://appshunter.io/developer/1134945229) | [Teaching Textbooks, Inc.](https://appshunter.io/developer/1516345361) |

## What reviewers say

### CB1 Blockly

[App page](https://appshunter.io/ios/app/cb1-blockly/id1164453711)

This app enables users to program robots built with a specific engineering kit. It uses a visual, drag-and-drop interface to create commands that control motors, lights, and sounds based on sensor input.

**Highlights:** Visual programming with drag-and-drop blocks, Control motors, LEDs, and buzzer, Utilize various sensor inputs, Bluetooth connectivity to robots, Save up to 20 custom programs, Includes 10 preloaded demo programs

**Features:** macOS Compatibility

**In-app purchases:** none


### TT Pre

[App page](https://appshunter.io/ios/app/tt-pre-algebra/id1516357235)

This app provides interactive math lessons and practice problems for pre-algebra students. It offers audiovisual lectures, automated grading, and detailed explanations for every problem, allowing for independent learning and progress tracking. The app can be used offline for a limited number of lessons, making it ideal for on-the-go learning.

**Highlights:** 139 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

**What reviewers like**

- 👍 Great math curriculum
- 👍 Helps with real-life preparation
- 👍 Good for dyslexic students
- 👍 Video tutorials are helpful
- 👍 Narration for questions is appreciated

**What reviewers complain about**

- 👎 Voice is annoying/maddening
- 👎 Stickers are childish/lame
- 👎 App is buggy and glitchy
- 👎 Starts too easy
- 👎 Sometimes doesn't explain well

**Reported bugs**

- Occasional bugs and glitches
- It glitched waAaaaayyy too much
- It’s laggy and buggy
- INSANELY laggy
- Answer submission bug is back and annoying

**Requested features**

- Option to mute voice
- Teach it a little better
- Multiple voice options
- Trophies or currency instead of stickers
- Remove stickers altogether


## Frequently asked questions

### Is CB1 Blockly free?

CB1 Blockly is free to download, with no in-app purchases.

### Is TT Pre free?

TT Pre is free to download, with no in-app purchases.

### Which has better reviews, CB1 Blockly or TT Pre?

CB1 Blockly is rated higher. CB1 Blockly averages 3.3 out of 5 from 15 ratings, while TT Pre averages 3.2 from 141 ratings.

### Do CB1 Blockly or TT Pre have ads?

Neither CB1 Blockly nor TT Pre shows ads.

### Which is updated more often, CB1 Blockly or TT Pre?

CB1 Blockly ships an update every 4 weeks, and TT Pre every 2 months. Most recently, CB1 Blockly was updated on October 15, 2026 and TT Pre on October 23, 2026.

---

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