# NTS SR vs littlEye AI

The clearest difference is in-app purchases: NTS SR at none against littlEye AI's 5. NTS SR also leads on iOS requirement (15.5 vs 17.0). littlEye AI's advantage is update cadence (every 4 days vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. littlEye AI sells 5 one-off in-app purchases. NTS SR asks for nothing beyond the download.

NTS SR ships an update every 2 months, littlEye AI every 4 days. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | NTS SR | littlEye AI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 days** |
| Size | 52 MB | 16 MB |
| Requires iOS | **15.5** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| 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


### littlEye AI

[App page](https://appshunter.io/ios/app/littleye-ai/id6799417580)

**Features:** Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Coffee | $2.99 | one-time |
| Lunch | $8.99 | one-time |
| Dinner | $17.99 | one-time |
| Generous donor | $44.99 | one-time |
| Annual donor | $89.99 | one-time |


## Frequently asked questions

### Is NTS SR free?

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

### Is littlEye AI free?

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

### Do NTS SR or littlEye AI have ads?

Neither NTS SR nor littlEye AI shows ads.

### Which is updated more often, NTS SR or littlEye AI?

NTS SR ships an update every 2 months, and littlEye AI every 4 days. Most recently, NTS SR was updated on October 30, 2026 and littlEye AI on October 31, 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.*