# Cosmo (formerly ClassUp) vs Cretapedia

Cosmo (formerly ClassUp) and Cretapedia both sit at 4.5 stars, but that hides the real split: 80% of Cosmo (formerly ClassUp)'s written reviews are positive against 44% of Cretapedia's. Cosmo (formerly ClassUp) also leads on update cadence (every 9 days vs monthly). Cretapedia's advantage is iOS requirement (13.0 vs 15.0). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Cosmo (formerly ClassUp) sells 3 one-off in-app purchases and Cretapedia sells 10 in-app purchases, starting at $13.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.5 for Cosmo (formerly ClassUp) against 4.6 for Cretapedia. Both are backed by a comparable volume of ratings — 879 and 1.7K respectively. Written reviews are what separate them: 80% of Cosmo (formerly ClassUp)'s written reviews are positive against 44% of Cretapedia's.

Cosmo (formerly ClassUp) ships an update every 9 days, Cretapedia monthly. The most recent releases landed on September 24, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Cosmo (formerly ClassUp) | Cretapedia |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (879 ratings)](https://appshunter.io/ios/app/cosmo-formerly-classup/id1624007748/reviews) | **[4.6 (1.7K ratings)](https://appshunter.io/ios/app/cretapedia-science-learning/id6446936735/reviews)** |
| Number of ratings | 879 | **1.7K** |
| Positive reviews | **80.1% of reviews** | 43.7% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 9 days** | Monthly |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 408 MB | 227 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Algorithm of Learning Inc.](https://appshunter.io/developer/1787524245) | [AMAZING EDTECH PTE. LTD.](https://appshunter.io/developer/1597060777) |

## 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


### Cretapedia

[App page](https://appshunter.io/ios/app/cretapedia-science-learning/id6446936735)

An ad-free educational app for children aged 5-12, offering engaging science lessons through interactive 3D animations and fun quizzes. It covers over 20 topics, fostering curiosity and developing critical thinking skills in a playful, story-driven environment.

**Highlights:** 20+ science topics, Bite-sized lessons, Fun quizzes, 3D animations, Interactive models, Develops critical thinking, Story-driven content

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MONTHLY-30 DAYS FREE | $13.99 | per month |
| MONTHLY-7 DAYS FREE | $13.99 | per month |
| MONTHLY-BASIC | $13.99 | per month |
| YEARLY-PROMOTION | $119.99 | per year |
| YEARLY-PROMOTION | $119.99 | per year |
| YEARLY-BASIC | $119.99 | per year |
| YEARLY-7 DAYS FREE | $119.99 | per year |
| Ccoin | $10.00 | one-time |
| Ccoins | $20.00 | one-time |
| Ccoins | $50.00 | one-time |

**What reviewers like**

- 👍 Great learning app for kids
- 🚀 Amazing way to learn
- 💡 Engaging and interactive content
- 👍 Excellent for homeschooling
- 👍 Teaches advanced content in an easy-to-understand way

**What reviewers complain about**

- 🐛 Glitches and crashes
- 🔒 Misleading subscription practices
- 💡 Limited content and features
- 💡 Not available in other languages
- 🔒 Poor customer support

**Reported bugs**

- Subscription issues and inability to access paid content
- App closing during sign-up process
- Compatibility issues with older devices

**Requested features**

- Add more dinosaur content and battles
- Improve quiz and review features
- Offer a more affordable subscription model
- Provide a neutral perspective on religious topics


## Frequently asked questions

### Is Cosmo (formerly ClassUp) free?

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

### Is Cretapedia free?

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

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

Cretapedia is rated higher. Cosmo (formerly ClassUp) averages 4.5 out of 5 from 879 ratings, while Cretapedia averages 4.6 from 1.7K ratings.

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

Neither Cosmo (formerly ClassUp) nor Cretapedia shows ads.

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

Cosmo (formerly ClassUp) ships an update every 9 days, and Cretapedia monthly. Most recently, Cosmo (formerly ClassUp) was updated on September 24, 2026 and Cretapedia on September 21, 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.*