# NTS SR vs 4n6 Tools Lite

The clearest difference is update cadence: 4n6 Tools Lite at every 8 days against NTS SR's every 6 weeks. On price, ads, in-app purchases and device support there is nothing between them.

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

NTS SR ships an update every 6 weeks, 4n6 Tools Lite every 8 days. The most recent releases landed on September 22, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | NTS SR | 4n6 Tools Lite |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 8 days** |
| Size | 57 MB | 1 MB |
| Requires iOS | 15.5 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 12+ |
| Developer | [Narodna Transfuzna Sluzba SR](https://appshunter.io/developer/1685822177) | [Jan Sikuta](https://appshunter.io/developer/6782549504) |

## What reviewers say

### NTS SR

[App page](https://appshunter.io/ios/app/nts-sr/id6443469159)

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

**In-app purchases:** none


### 4n6 Tools Lite

[App page](https://appshunter.io/ios/app/4n6-tools-lite/id6783425913)

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

**In-app purchases:** none


## Frequently asked questions

### Is NTS SR free?

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

### Is 4n6 Tools Lite free?

4n6 Tools Lite is free to download, with no in-app purchases.

### Do NTS SR or 4n6 Tools Lite have ads?

Neither NTS SR nor 4n6 Tools Lite shows ads.

### Which is updated more often, NTS SR or 4n6 Tools Lite?

NTS SR ships an update every 6 weeks, and 4n6 Tools Lite every 8 days. Most recently, NTS SR was updated on September 22, 2026 and 4n6 Tools Lite on September 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.*