# Best Brains bbConnect vs Cosmo (formerly ClassUp)

The clearest difference is rating: Cosmo (formerly ClassUp) at 4.5 against Best Brains bbConnect's 3.7. Cosmo (formerly ClassUp) also leads on update cadence (every 9 days vs every 3 months) and ratings volume (914 vs 7). Best Brains bbConnect's advantage is in-app purchases (none vs 2) and review sentiment (100% vs 80%). On price, ads and iOS requirement there is nothing between them.

Both are free to download. Cosmo (formerly ClassUp) sells 2 one-off in-app purchases. Best Brains bbConnect asks for nothing beyond the download.

Cosmo (formerly ClassUp) holds the better App Store score, 4.5 against 3.7. That said, the two scores are not equally well evidenced: Cosmo (formerly ClassUp) has 914 ratings behind it against 7, so its average is the more settled of the two. Written reviews complicate that: 100% of Best Brains bbConnect's written reviews are positive against 80% of Cosmo (formerly ClassUp)'s, so the app with the better star average is not the one people write more warmly about.

Best Brains bbConnect ships an update every 3 months, Cosmo (formerly ClassUp) every 9 days. The most recent releases landed on September 22, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Best Brains bbConnect | Cosmo (formerly ClassUp) |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (7 ratings)](https://appshunter.io/ios/app/best-brains-bbconnect/id1526879337/reviews) | **[4.5 (914 ratings)](https://appshunter.io/ios/app/cosmo-formerly-classup/id1624007748/reviews)** |
| Number of ratings | 7 | **914** |
| Positive reviews | **100.0% of reviews** | 80.1% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 9 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 52 MB | 408 MB |
| Requires iOS | 15 | 15.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Advansoft Internatinal Inc](https://appshunter.io/developer/1524339129) | [Algorithm of Learning Inc.](https://appshunter.io/developer/1787524245) |

## What reviewers say

### Best Brains bbConnect

[App page](https://appshunter.io/ios/app/best-brains-bbconnect/id1526879337)

This virtual classroom app connects young learners with certified teachers for personalized Math and English lessons. It features interactive daily homework, real-time feedback, and progress tracking to enhance academic performance.

**Highlights:** Weekly online classes, 1-on-1 teacher instruction, Interactive daily homework, Real-time feedback, Progress tracking, Periodic testing

**Features:** macOS Compatibility

**In-app purchases:** none


### Cosmo (formerly ClassUp)

[App page](https://appshunter.io/ios/app/cosmo-formerly-classup/id1624007748)

This app offers a future-ready education system combining AI and real teachers for personalized learning. It provides live 1-on-1 classes, flexible scheduling, AI-powered study assistance, and progress tracking to foster confident, motivated learners.

**Highlights:** Live 1-on-1 classes with AI and human teachers, AI-powered personalized learning plans, Instant homework help and chat support, AI writing assistant for assignments, Unlimited math and ELA practice, Progress tracking dashboard, Flexible 24/7 scheduling

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| First Class | $0.99 | one-time |
| Test 20 lessons package | $0.99 | one-time |

**What reviewers like**

- 👍 Awesome teachers
- 🚀 Personalized learning
- 💡 Engaging and fun lessons
- 🚀 Flexible scheduling
- 👍 Knowledgeable and professional tutors

**What reviewers complain about**

- 🐛 Scheduling issues and class cancellations
- 💰 Expensive pricing
- 🤯 Poor customer service and communication
- 🐛 Technical issues with app and connectivity

**Reported bugs**

- Frequent class cancellations
- Billing and refund issues
- Unreliable internet connectivity during classes

**Requested features**

- More affordable pricing options
- Improved scheduling and class management
- Better communication with parents
- Enhanced technical stability and reliability


## Frequently asked questions

### Is Best Brains bbConnect free?

Best Brains bbConnect is free to download, with no in-app purchases.

### Is Cosmo (formerly ClassUp) free?

Cosmo (formerly ClassUp) is free to download, with in-app purchases available.

### Which has better reviews, Best Brains bbConnect or Cosmo (formerly ClassUp)?

Cosmo (formerly ClassUp) is rated higher. Best Brains bbConnect averages 3.7 out of 5 from 7 ratings, while Cosmo (formerly ClassUp) averages 4.5 from 914 ratings.

### Do Best Brains bbConnect or Cosmo (formerly ClassUp) have ads?

Neither Best Brains bbConnect nor Cosmo (formerly ClassUp) shows ads.

### Which is updated more often, Best Brains bbConnect or Cosmo (formerly ClassUp)?

Best Brains bbConnect ships an update every 3 months, and Cosmo (formerly ClassUp) every 9 days. Most recently, Best Brains bbConnect was updated on September 22, 2026 and Cosmo (formerly ClassUp) on October 30, 2026.

---

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