# Cosmo (formerly ClassUp) vs UsArts

The clearest difference is in-app purchases: UsArts at none against Cosmo (formerly ClassUp)'s 3. UsArts also leads on iOS requirement (12.0 vs 15.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Cosmo (formerly ClassUp) sells 3 one-off in-app purchases. UsArts asks for nothing beyond the download.

Cosmo (formerly ClassUp) ships an update every 9 days, UsArts every 8 days. The most recent releases landed on October 15, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Cosmo (formerly ClassUp) | UsArts |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (879 ratings)](https://appshunter.io/ios/app/cosmo-formerly-classup/id1624007748/reviews)** | — |
| Number of ratings | **879** | — |
| Positive reviews | 79.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 9 days | **Every 8 days** |
| Monetization | Free with in-app purchases | — |
| Size | 408 MB | 29 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Algorithm of Learning Inc.](https://appshunter.io/developer/1787524245) | [Xiaoyi Zhong](https://appshunter.io/developer/1790131906) |

## 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


### UsArts

[App page](https://appshunter.io/ios/app/usarts/id6740471209)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Cosmo (formerly ClassUp) free?

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

### Is UsArts free?

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

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

Neither Cosmo (formerly ClassUp) nor UsArts shows ads.

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

Cosmo (formerly ClassUp) ships an update every 9 days, and UsArts every 8 days. Most recently, Cosmo (formerly ClassUp) was updated on October 15, 2026 and UsArts on October 4, 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.*