# ERB CTP Online vs Mathspace for Students

The clearest difference is rating: Mathspace for Students at 3.9 against ERB CTP Online's 1.6. Mathspace for Students also leads on update cadence (weekly vs every 8 months) and review sentiment (29% vs 19%). ERB CTP Online's advantage is iOS requirement (10.2 vs 17.0). On price, ratings volume, ads and in-app purchases there is nothing between them.

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

Mathspace for Students holds the better App Store score, 3.9 against 1.6. Both are backed by a comparable volume of ratings — 324 and 402 respectively. Written reviews point the same way: 19% of ERB CTP Online's written reviews are positive against 29% of Mathspace for Students's.

ERB CTP Online ships an update every 8 months, Mathspace for Students weekly. The most recent releases landed on October 24, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | ERB CTP Online | Mathspace for Students |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.6 (324 ratings)](https://appshunter.io/ios/app/erb-ctp-online/id555673248/reviews) | **[3.9 (402 ratings)](https://appshunter.io/ios/app/mathspace-for-students/id1445097311/reviews)** |
| Number of ratings | 324 | **402** |
| Positive reviews | 19.3% of reviews | **29.4% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Weekly** |
| Monetization | Free | Free |
| Size | 6 MB | 65 MB |
| Requires iOS | **10.2** | 17.0 |
| Devices | iPad | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Internet Testing Systems (ITS)](https://appshunter.io/developer/546817214) | [Mathspace Pty Ltd](https://appshunter.io/developer/586612058) |

## 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


### Mathspace for Students

[App page](https://appshunter.io/ios/app/mathspace-for-students/id1445097311)

This app offers a digital platform for students to solve math problems online, providing instant feedback and step-by-step assistance. It features a vast library of interactive questions across various math topics and supports multiple international curricula.

**Highlights:** Interactive math problems, Instant feedback, Step-by-step help, Handwriting recognition, Extensive question bank, Multiple curriculum support

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Good for students
- 💡 Adaptive learning
- 🚀 Helpful features (hints, videos)

**What reviewers complain about**

- 🐛 Handwriting recognition issues
- 🤔 Confusing UI/UX
- 🤯 Frustrating experience
- 🤖 Unhelpful AI assistant
- 🕰️ Slow and laggy

**Reported bugs**

- Incorrect answers marked as correct
- Repeated questions despite completion
- Login and account issues
- Content loading failures

**Requested features**

- Add keyboard input option
- Improve handwriting recognition
- Customize question difficulty
- Better error handling and feedback


## Frequently asked questions

### Is ERB CTP Online free?

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

### Is Mathspace for Students free?

Mathspace for Students is free to download, with no in-app purchases.

### Which has better reviews, ERB CTP Online or Mathspace for Students?

Mathspace for Students is rated higher. ERB CTP Online averages 1.6 out of 5 from 324 ratings, while Mathspace for Students averages 3.9 from 402 ratings.

### Do ERB CTP Online or Mathspace for Students have ads?

Neither ERB CTP Online nor Mathspace for Students shows ads.

### Which is updated more often, ERB CTP Online or Mathspace for Students?

ERB CTP Online ships an update every 8 months, and Mathspace for Students weekly. Most recently, ERB CTP Online was updated on October 24, 2026 and Mathspace for Students on October 23, 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.*