# Cosmo (formerly ClassUp) vs SessionUp Go

The clearest difference is rating: Cosmo (formerly ClassUp) at 4.5 against SessionUp Go's 3.4. Cosmo (formerly ClassUp) also leads on ratings volume (879 vs 5). SessionUp Go's advantage is in-app purchases (none vs 3) and update cadence (every 3 days vs every 9 days). On price, ads, device support and iOS requirement there is nothing between them.

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

Cosmo (formerly ClassUp) holds the better App Store score, 4.5 against 3.4. That said, the two scores are not equally well evidenced: Cosmo (formerly ClassUp) has 879 ratings behind it against 5, so its average is the more settled of the two.

Cosmo (formerly ClassUp) ships an update every 9 days, SessionUp Go every 3 days. The most recent releases landed on October 15, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Cosmo (formerly ClassUp) | SessionUp Go |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (879 ratings)](https://appshunter.io/ios/app/cosmo-formerly-classup/id1624007748/reviews)** | [3.4 (5 ratings)](https://appshunter.io/ios/app/sessionup-go/id6759131837/reviews) |
| Number of ratings | **879** | 5 |
| Positive reviews | 79.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 9 days | **Every 3 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 408 MB | 81 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Algorithm of Learning Inc.](https://appshunter.io/developer/1787524245) | [TeacherZone](https://appshunter.io/developer/1352306535) |

## 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


### SessionUp Go

[App page](https://appshunter.io/ios/app/sessionup-go/id6759131837)

This app provides a unified platform for session-based businesses, connecting administrators, instructors, members, and guardians. It streamlines scheduling, communication, and check-ins with role-specific views and features for enhanced operational efficiency and community engagement.

**Highlights:** Unified access for all user roles, Seamless role switching, Streamlined scheduling and check-ins, Front desk kiosk functionality, Real-time attendance and schedule monitoring, Multimedia learning materials, Secure direct communication

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

**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 SessionUp Go free?

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

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

Cosmo (formerly ClassUp) is rated higher. Cosmo (formerly ClassUp) averages 4.5 out of 5 from 879 ratings, while SessionUp Go averages 3.4 from 5 ratings.

### Do Cosmo (formerly ClassUp) or SessionUp Go have ads?

Neither Cosmo (formerly ClassUp) nor SessionUp Go shows ads.

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

Cosmo (formerly ClassUp) ships an update every 9 days, and SessionUp Go every 3 days. Most recently, Cosmo (formerly ClassUp) was updated on October 15, 2026 and SessionUp Go on October 1, 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.*