# Klugr vs Focus on Prep

The clearest difference is ads: Focus on Prep at none against Klugr's shown. Klugr's advantage is update cadence (every 9 days vs monthly). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Klugr sells 2 in-app purchases, starting at $7.99 per month and Focus on Prep sells 5 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

Klugr ships an update every 9 days, Focus on Prep monthly. Both last shipped on October 28, 2026.

## The numbers

| Metric | Klugr | Focus on Prep |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 9 days** | Monthly |
| Size | 33 MB | 48 MB |
| Requires iOS | **15.1** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Perjan ProfessionalProductPartners FlexKapG](https://appshunter.io/developer/1799564039) | [WOON JAE NA](https://appshunter.io/developer/1889922512) |

## 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 |


### Focus on Prep

[App page](https://appshunter.io/ios/app/focus-on-prep-sat-prep/id6761488821)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SAT Premium Monthly | $5.99 | per month |
| SAT Premium Yearly | $49.99 | per year |
| The Sprint (1-Month) | $29.99 | one-time |
| Target-Score Pass (3-Month) | $79.99 | one-time |
| Elite Mastery (6-Month) | $139.99 | one-time |


## Frequently asked questions

### Is Klugr free?

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

### Is Focus on Prep free?

Focus on Prep is free to download, with in-app purchases available.

### Do Klugr or Focus on Prep have ads?

Klugr shows ads; Focus on Prep does not.

### Which is updated more often, Klugr or Focus on Prep?

Klugr ships an update every 9 days, and Focus on Prep monthly. Most recently, Klugr was updated on October 28, 2026 and Focus on Prep on October 28, 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.*