# NATTT vs SEIONA (JEXtream) i

The clearest difference is iOS requirement: NATTT at 13.0 against SEIONA (JEXtream) i's 15.2. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on November 7, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | NATTT | SEIONA (JEXtream) i |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | Every 3 months |
| Size | 20 MB | 90 MB |
| Requires iOS | **13.0** | 15.2 |
| Devices | **iPhone, iPod, Mac** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ShipBit UG (haftungsbeschrankt)](https://appshunter.io/developer/1607896313) | [Franklin Wireless Corp.](https://appshunter.io/developer/1396154456) |

## What reviewers say

### NATTT

[App page](https://appshunter.io/ios/app/nattt/id1607896311)

**In-app purchases:** none


### SEIONA (JEXtream) i

[App page](https://appshunter.io/ios/app/seiona-jextream-i/id6736499119)

**In-app purchases:** none


## Frequently asked questions

### Is NATTT free?

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

### Is SEIONA (JEXtream) i free?

SEIONA (JEXtream) i is free to download, with no in-app purchases.

### Do NATTT or SEIONA (JEXtream) i have ads?

Neither NATTT nor SEIONA (JEXtream) i shows ads.

### Which is updated more often, NATTT or SEIONA (JEXtream) i?

NATTT ships an update every 3 months, and SEIONA (JEXtream) i every 3 months. Most recently, NATTT was updated on November 7, 2026 and SEIONA (JEXtream) i 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.*