# ERB CTP Online vs VEXcode GO

The clearest difference is rating: VEXcode GO at 3.2 against ERB CTP Online's 1.6. VEXcode GO also leads on review sentiment (50% vs 19%) and update cadence (every 2 months vs every 8 months). ERB CTP Online's advantage is ratings volume (290 vs 22) and iOS requirement (10.2 vs 16.0). On price, ads, in-app purchases and monetization model there is nothing between them.

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

VEXcode GO holds the better App Store score, 3.2 against 1.6. That said, the two scores are not equally well evidenced: ERB CTP Online has 290 ratings behind it against 22, so its average is the more settled of the two. Written reviews point the same way: 19% of ERB CTP Online's written reviews are positive against 50% of VEXcode GO's.

ERB CTP Online ships an update every 8 months, VEXcode GO every 2 months. The most recent releases landed on October 13, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | ERB CTP Online | VEXcode GO |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.6 (290 ratings)](https://appshunter.io/ios/app/erb-ctp-online/id555673248/reviews) | **[3.2 (22 ratings)](https://appshunter.io/ios/app/vexcode-go/id1501754061/reviews)** |
| Number of ratings | **290** | 22 |
| Positive reviews | 19.3% of reviews | **50.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 6 MB | 727 MB |
| Requires iOS | **10.2** | 16.0 |
| Devices | iPad | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Internet Testing Systems (ITS)](https://appshunter.io/developer/546817214) | [VEX Robotics, Inc.](https://appshunter.io/developer/1162973741) |

## What reviewers say

### ERB CTP Online

[App page](https://appshunter.io/ios/app/erb-ctp-online/id555673248)

This app provides a battery of assessments in listening, reading, vocabulary, writing, and mathematics. It offers instant scoring and feedback for real-time guidance on student learning. The program also includes tests for verbal and quantitative reasoning.

**Highlights:** Listening assessment, Reading assessment, Vocabulary and writing tests, Mathematics assessment, Verbal and quantitative reasoning tests, Instant scoring and feedback

**In-app purchases:** none

**What reviewers like**

- 🤩 Engaging and addictive gameplay
- 🎓 Helpful educational content
- 👍 Intuitive user interface

**What reviewers complain about**

- 🐛 Frequent crashes and technical issues
- 🕰️ Excessively long and tedious tests
- 💤 Boring and uninspired design
- 🔒 Locked device during testing

**Reported bugs**

- Freezing and lagging during tests
- Inability to exit the app during testing
- Compatibility issues with older devices

**Requested features**

- Improved graphics and visuals
- Customizable controls and settings
- More engaging and interactive learning experiences


### VEXcode GO

[App page](https://appshunter.io/ios/app/vexcode-go/id1501754061)

This coding environment offers a consistent, intuitive interface for students of all ages to learn programming through robotics. It simplifies robot control and programming with a drag-and-drop block system, making computer science accessible and engaging.

**Highlights:** Consistent interface across devices and levels, Drag-and-drop block coding, Robot control and programming, Built-in video tutorials, Cross-language support for blocks and comments, Educator-written help resources

**In-app purchases:** none


## Frequently asked questions

### Is ERB CTP Online free?

ERB CTP Online is free to download, with no in-app purchases.

### Is VEXcode GO free?

VEXcode GO is free to download, with no in-app purchases.

### Which has better reviews, ERB CTP Online or VEXcode GO?

VEXcode GO is rated higher. ERB CTP Online averages 1.6 out of 5 from 290 ratings, while VEXcode GO averages 3.2 from 22 ratings.

### Do ERB CTP Online or VEXcode GO have ads?

Neither ERB CTP Online nor VEXcode GO shows ads.

### Which is updated more often, ERB CTP Online or VEXcode GO?

ERB CTP Online ships an update every 8 months, and VEXcode GO every 2 months. Most recently, ERB CTP Online was updated on October 13, 2026 and VEXcode GO on September 30, 2026.

---

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