# ERB CTP Online vs VEXcode IQ

The clearest difference is rating: VEXcode IQ at 3.7 against ERB CTP Online's 1.6. VEXcode IQ also leads on review sentiment (55% vs 19%) and update cadence (every 6 weeks vs every 8 months). ERB CTP Online's advantage is ratings volume (324 vs 39) 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 IQ holds the better App Store score, 3.7 against 1.6. That said, the two scores are not equally well evidenced: ERB CTP Online has 324 ratings behind it against 39, 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 55% of VEXcode IQ's.

ERB CTP Online ships an update every 8 months, VEXcode IQ every 6 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | ERB CTP Online | VEXcode IQ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.6 (324 ratings)](https://appshunter.io/ios/app/erb-ctp-online/id555673248/reviews) | **[3.7 (39 ratings)](https://appshunter.io/ios/app/vexcode-iq/id1474811207/reviews)** |
| Number of ratings | **324** | 39 |
| Positive reviews | 19.3% of reviews | **54.5% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 6 weeks** |
| Monetization | Free | Free |
| Size | 6 MB | 892 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 IQ

[App page](https://appshunter.io/ios/app/vexcode-iq/id1474811207)

This coding environment is designed for students of all ages to learn programming through robotics. Its intuitive interface, consistent across different levels and platforms, allows users to focus on creation rather than navigation. It makes computer science accessible and engaging through hands-on projects and collaborations.

**Highlights:** Intuitive drag-and-drop interface, Consistent across Blocks and Text, Robot drivetrain control blocks, Device manager for robot setup, Built-in video tutorials, Example projects for learning, Multilingual block support

**Features:** Vision Pro support

**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 IQ free?

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

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

VEXcode IQ is rated higher. ERB CTP Online averages 1.6 out of 5 from 324 ratings, while VEXcode IQ averages 3.7 from 39 ratings.

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

Neither ERB CTP Online nor VEXcode IQ shows ads.

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

ERB CTP Online ships an update every 8 months, and VEXcode IQ every 6 weeks. Most recently, ERB CTP Online was updated on October 24, 2026 and VEXcode IQ on October 24, 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.*