# Klugr vs Octa

The clearest difference is ads: Octa at none against Klugr's shown. On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Klugr sells 2 in-app purchases, starting at $7.99 per month and Octa sells 10 in-app purchases, starting at $3.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Klugr ships an update every 9 days, Octa every 2 weeks. Both last shipped on October 30, 2026.

## The numbers

| Metric | Klugr | Octa |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 9 days** | Every 2 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 33 MB | 123 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Perjan ProfessionalProductPartners FlexKapG](https://appshunter.io/developer/1799564039) | [Mathias Kurt Horner](https://appshunter.io/developer/1755450568) |

## What reviewers say

### Klugr

[App page](https://appshunter.io/ios/app/klugr/id6742713131)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Klügr Premium Monthly | $7.99 | per month |
| Klugr Premium Yearly (30% off) | $69.90 | per year |


### Octa

[App page](https://appshunter.io/ios/app/octa-ai-tutor-and-study-plan/id6751514384)

This AI-powered study assistant transforms study materials into summaries, flashcards, and quizzes. It offers step-by-step explanations for complex topics and helps organize notes and deadlines with personalized study plans. Ideal for students seeking a more efficient and less stressful learning experience.

**Highlights:** AI explanations for complex topics, Convert PDFs/notes to flashcards and quizzes, Step-by-step problem solving, Personalized study plans, Organize materials with folders, Import from any app via Share Sheet

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| sub_weekly | $3.99 | per 7 days |
| Monthly - Introduction Offer | $6.99 | per month |
| Intro Offer - Monthly | $9.99 | per month |
| Monthly Unlimited - Special Offer | $12.99 | per month |
| Monthly Unlimited | $14.99 | per month |
| Yearly Special | $29.99 | per year |
| Yearly Unlimited | $69.99 | per year |
| Yearly Unlimited | $79.99 | per year |
| Yearly | $89.99 | per year |
| Pro Pack 3M | $59.99 | one-time |


## Frequently asked questions

### Is Klugr free?

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

### Is Octa free?

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

### Do Klugr or Octa have ads?

Klugr shows ads; Octa does not.

### Which is updated more often, Klugr or Octa?

Klugr ships an update every 9 days, and Octa every 2 weeks. Most recently, Klugr was updated on October 30, 2026 and Octa on October 30, 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.*