# Cosmo (formerly ClassUp) vs Bloomster

The clearest difference is rating: Bloomster at 5.0 against Cosmo (formerly ClassUp)'s 4.5. Bloomster also leads on review sentiment (100% vs 80%). Cosmo (formerly ClassUp)'s advantage is ratings volume (879 vs 1) and update cadence (every 9 days vs every 3 weeks). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Cosmo (formerly ClassUp) sells 3 one-off in-app purchases and Bloomster sells 4 in-app purchases, starting at $19.99 per month. Whichever you choose, the download price is not the number that matters.

Bloomster holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Cosmo (formerly ClassUp) has 879 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 80% of Cosmo (formerly ClassUp)'s written reviews are positive against 100% of Bloomster's.

Cosmo (formerly ClassUp) ships an update every 9 days, Bloomster every 3 weeks. The most recent releases landed on October 2, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Cosmo (formerly ClassUp) | Bloomster |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (879 ratings)](https://appshunter.io/ios/app/cosmo-formerly-classup/id1624007748/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/bloomster/id6474612652/reviews)** |
| Number of ratings | **879** | 1 |
| Positive reviews | 79.8% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 3 weeks |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 408 MB | 73 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Algorithm of Learning Inc.](https://appshunter.io/developer/1787524245) | [Balanced Tech Inc.](https://appshunter.io/developer/1722071814) |

## What reviewers say

### Cosmo (formerly ClassUp)

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

This app offers AI-powered, personalized learning experiences guided by real teachers. It provides live 1-on-1 classes, instant homework help, and adaptive learning plans to foster confident and 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 tool for assignments, Unlimited practice for Math & ELA, Progress tracking dashboard

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| First Class | $0.99 | one-time |
| Test 20 lessons package | $0.99 | one-time |
| 3 one-on-one classes | $74.99 | 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


### Bloomster

[App page](https://appshunter.io/ios/app/bloomster/id6474612652)

This app helps children aged 9-14 develop essential life skills like confidence, focus, and emotional regulation through engaging animated lessons and practical exercises. It provides parents with tools to support their child's growth and track progress in areas academics often miss.

**Highlights:** Expert-designed skill courses, Growth plans for challenges, Life event support plans, Scenario-based knowledge checks, Parent lesson guides, Reflections and journaling, Progress tracking

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Single Child - Monthly | $19.99 | per month |
| Family - Monthly | $29.99 | per month |
| Single Child - Annually | $199.99 | per year |
| Family - Annually | $299.99 | per year |


## Frequently asked questions

### Is Cosmo (formerly ClassUp) free?

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

### Is Bloomster free?

Bloomster is free to download, with in-app purchases available.

### Which has better reviews, Cosmo (formerly ClassUp) or Bloomster?

Bloomster is rated higher. Cosmo (formerly ClassUp) averages 4.5 out of 5 from 879 ratings, while Bloomster averages 5.0 from 1 ratings.

### Do Cosmo (formerly ClassUp) or Bloomster have ads?

Neither Cosmo (formerly ClassUp) nor Bloomster shows ads.

### Which is updated more often, Cosmo (formerly ClassUp) or Bloomster?

Cosmo (formerly ClassUp) ships an update every 9 days, and Bloomster every 3 weeks. Most recently, Cosmo (formerly ClassUp) was updated on October 2, 2026 and Bloomster on September 17, 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.*