# Cosmo (formerly ClassUp) vs Kids Learning Lab!

The clearest difference is rating: Kids Learning Lab! at 5.0 against Cosmo (formerly ClassUp)'s 4.5. Kids Learning Lab! also leads on update cadence (every 2 days vs every 9 days). Cosmo (formerly ClassUp)'s advantage is ratings volume (879 vs 1). 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 Kids Learning Lab! sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Kids Learning Lab! 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.

Cosmo (formerly ClassUp) ships an update every 9 days, Kids Learning Lab! every 2 days. The most recent releases landed on October 18, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Cosmo (formerly ClassUp) | Kids Learning Lab! |
| --- | --- | --- |
| 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/kids-learning-lab/id6795386180/reviews)** |
| Number of ratings | **879** | 1 |
| Positive reviews | 79.8% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 9 days | **Every 2 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 408 MB | 89 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Algorithm of Learning Inc.](https://appshunter.io/developer/1787524245) | [Kids Learning Lab](https://appshunter.io/developer/1895562199) |

## 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


### Kids Learning Lab!

[App page](https://appshunter.io/ios/app/kids-learning-lab/id6795386180)

This app makes learning an adventure with bite-sized lessons in science, math, and more. Earn XP, build streaks, and track progress through interactive games and challenges. Customize your avatar and unlock achievements on a rewarding educational journey.

**Highlights:** Bite-sized lessons, Interactive games, Progress tracking, Avatar customization, Achievements and badges, Multiplayer challenges

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Kids Learning Lab! Premium | $2.49 | one-time |


## Frequently asked questions

### Is Cosmo (formerly ClassUp) free?

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

### Is Kids Learning Lab! free?

Kids Learning Lab! is free to download, with in-app purchases available.

### Which has better reviews, Cosmo (formerly ClassUp) or Kids Learning Lab!?

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

### Do Cosmo (formerly ClassUp) or Kids Learning Lab! have ads?

Neither Cosmo (formerly ClassUp) nor Kids Learning Lab! shows ads.

### Which is updated more often, Cosmo (formerly ClassUp) or Kids Learning Lab!?

Cosmo (formerly ClassUp) ships an update every 9 days, and Kids Learning Lab! every 2 days. Most recently, Cosmo (formerly ClassUp) was updated on October 18, 2026 and Kids Learning Lab! on October 7, 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.*