# UniKaksha vs Ostello

The clearest difference is in-app purchases: UniKaksha at none against Ostello's 5. UniKaksha also leads on iOS requirement (13.0 vs 15.0). Ostello's advantage is update cadence (every 4 days vs every 10 days). On price, ads and device support there is nothing between them.

Both are free to download. Ostello sells 5 one-off in-app purchases. UniKaksha asks for nothing beyond the download.

UniKaksha ships an update every 10 days, Ostello every 4 days. The most recent releases landed on September 10, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | UniKaksha | Ostello |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/ostello/id6451157739/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 10 days | **Every 4 days** |
| Monetization | — | Free with in-app purchases |
| Size | 75 MB | 176 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Code Shastra Private Limited](https://appshunter.io/developer/1646004945) | [Ostello AI](https://appshunter.io/developer/1695110073) |

## What reviewers say

### UniKaksha

[App page](https://appshunter.io/ios/app/unikaksha/id1659597447)

**In-app purchases:** none


### Ostello

[App page](https://appshunter.io/ios/app/ostello/id6451157739)

This app offers goal-oriented learning for competitive entrance exams with short videos, expert content, and admission assistance. It provides exam-specific courses, personalized learning paths, and progress tracking to help students build knowledge and confidence.

**Highlights:** Exam-specific courses, Personalized learning paths, Expert-led lessons, Admission assistance, Progress tracking, Mock tests and quizzes

**Features:** Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Live Session Slot | $2.99 | one-time |
| Live Session Plan | $9.99 | one-time |
| Confidence Plus | $39.99 | one-time |
| Fluency Pro | $59.99 | one-time |
| Confidence Pro | $79.99 | one-time |


## Frequently asked questions

### Is UniKaksha free?

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

### Is Ostello free?

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

### Do UniKaksha or Ostello have ads?

Neither UniKaksha nor Ostello shows ads.

### Which is updated more often, UniKaksha or Ostello?

UniKaksha ships an update every 10 days, and Ostello every 4 days. Most recently, UniKaksha was updated on September 10, 2026 and Ostello on September 22, 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.*