# OPOR vs Kattutharai

The clearest difference is ads: OPOR at none against Kattutharai's shown. Kattutharai's advantage is update cadence (every 4 days vs every 5 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

OPOR ships an update every 5 months, Kattutharai every 4 days. The most recent releases landed on October 3, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | OPOR | Kattutharai |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 5 months | **Every 4 days** |
| Size | 15 MB | 50 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Vijay Narayanan](https://appshunter.io/developer/1493046382) | [Suryaprakash Shanmugam](https://appshunter.io/developer/1833660008) |

## What reviewers say

### OPOR

[App page](https://appshunter.io/ios/app/opor/id1493046383)

**Features:** macOS Compatibility

**In-app purchases:** none


### Kattutharai

[App page](https://appshunter.io/ios/app/kattutharai/id6787168548)

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

**In-app purchases:** none


## Frequently asked questions

### Is OPOR free?

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

### Is Kattutharai free?

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

### Do OPOR or Kattutharai have ads?

Kattutharai shows ads; OPOR does not.

### Which is updated more often, OPOR or Kattutharai?

OPOR ships an update every 5 months, and Kattutharai every 4 days. Most recently, OPOR was updated on October 3, 2026 and Kattutharai on October 8, 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.*