# Chitti One vs Cosmo (formerly ClassUp)

The clearest difference is in-app purchases: Chitti One at none against Cosmo (formerly ClassUp)'s 3. Cosmo (formerly ClassUp)'s advantage is ratings volume (879 vs 45) and update cadence (every 9 days vs every 4 weeks). On price, rating, ads and device support there is nothing between them.

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

On the App Store both sit at effectively the same score — 4.5 for Chitti One against 4.5 for Cosmo (formerly ClassUp). That said, the two scores are not equally well evidenced: Cosmo (formerly ClassUp) has 879 ratings behind it against 45, so its average is the more settled of the two. Written reviews are what separate them: 65% of Chitti One's written reviews are positive against 80% of Cosmo (formerly ClassUp)'s.

Chitti One ships an update every 4 weeks, Cosmo (formerly ClassUp) every 9 days. The most recent releases landed on October 13, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Chitti One | Cosmo (formerly ClassUp) |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (45 ratings)](https://appshunter.io/ios/app/chitti-one/id1486872303/reviews)** | [4.5 (879 ratings)](https://appshunter.io/ios/app/cosmo-formerly-classup/id1624007748/reviews) |
| Number of ratings | 45 | **879** |
| Positive reviews | 64.9% of reviews | **79.8% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 9 days** |
| Monetization | Subscription | **Free with in-app purchases** |
| Size | 59 MB | 408 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [LMES Academy Private Limited](https://appshunter.io/developer/1461765584) | [Algorithm of Learning Inc.](https://appshunter.io/developer/1787524245) |

## What reviewers say

### Chitti One

[App page](https://appshunter.io/ios/app/chitti-one/id1486872303)

This educational app offers engaging video lessons for K-12 students, explained in regional languages with animation and real-life stories. It covers subjects like math, science, physics, chemistry, and biology, making complex concepts easy to grasp and apply.

**Highlights:** Animated video lessons, Regional language explanations, Real-life story explanations, Practice quizzes, Skill points for evaluation, Subject-specific chapters

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to understand teaching
- 🤩 Great initiative for learning
- 💰 Worth the money
- 🚀 Excellent app creation
- 💡 Innovative teaching methods

**What reviewers complain about**

- 💸 Waste of money
- 📉 Expensive subscription
- 🚫 No response from support
- 🤷‍♀️ Content not accessible
- ❌ App not working after subscription

**Reported bugs**

- Unable to login using Gmail on iPhone
- App not opening after subscription
- No response from phone numbers for login credentials
- No way to access recorded videos
- Aspect ratio not fitting well on new iPhone models

**Requested features**

- Support for 11th standard students
- Aspect ratio fix for new iPhones
- Screen tilt fix for iPhones
- Cast option to TV
- iPad support


### 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


## Frequently asked questions

### Is Chitti One free?

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

### Is Cosmo (formerly ClassUp) free?

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

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

Chitti One is rated higher. Chitti One averages 4.5 out of 5 from 45 ratings, while Cosmo (formerly ClassUp) averages 4.5 from 879 ratings.

### Do Chitti One or Cosmo (formerly ClassUp) have ads?

Neither Chitti One nor Cosmo (formerly ClassUp) shows ads.

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

Chitti One ships an update every 4 weeks, and Cosmo (formerly ClassUp) every 9 days. Most recently, Chitti One was updated on October 13, 2026 and Cosmo (formerly ClassUp) on October 18, 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.*