# NNAT vs Kitaboo One

The clearest difference is in-app purchases: Kitaboo One at none against NNAT's 1. NNAT's advantage is update cadence (every 2 weeks vs every 4 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. NNAT sells 1 one-off in-app purchase. Kitaboo One asks for nothing beyond the download.

NNAT ships an update every 2 weeks, Kitaboo One every 4 months. The most recent releases landed on October 17, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | NNAT | Kitaboo One |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 4 months |
| Size | 138 MB | 76 MB |
| Requires iOS | **13.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Perfect Consulting B.V.](https://appshunter.io/developer/1562668783) | [Hurix Systems Pvt. Ltd.](https://appshunter.io/developer/429900405) |

## What reviewers say

### NNAT

[App page](https://appshunter.io/ios/app/nnat-3-practice/id6740410497)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Get PRO with On-Time Payment! | $9.99 | one-time |


### Kitaboo One

[App page](https://appshunter.io/ios/app/kitaboo-one/id6749898946)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is NNAT free?

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

### Is Kitaboo One free?

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

### Do NNAT or Kitaboo One have ads?

Neither NNAT nor Kitaboo One shows ads.

### Which is updated more often, NNAT or Kitaboo One?

NNAT ships an update every 2 weeks, and Kitaboo One every 4 months. Most recently, NNAT was updated on October 17, 2026 and Kitaboo One on October 16, 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.*