# NRK87. vs ScreenLines

The clearest difference is in-app purchases: NRK87. at none against ScreenLines's 2. NRK87. also leads on iOS requirement (11.0 vs 15.0). ScreenLines's advantage is update cadence (every 5 weeks vs every 4 months). On price, review sentiment, ads and monetization model there is nothing between them.

Both are free to download. ScreenLines sells 2 in-app purchases, starting at $2.99 per year. NRK87. asks for nothing beyond the download.

NRK87. ships an update every 4 months, ScreenLines every 5 weeks. The most recent releases landed on October 6, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | NRK87. | ScreenLines |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (19 ratings)](https://appshunter.io/ios/app/screenlines/id6739783494/reviews)** |
| Number of ratings | — | **19** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 5 weeks** |
| Monetization | Free | Free |
| Size | 63 MB | 8 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Sessia Limited](https://appshunter.io/developer/1220488837) | [Artem Bolotov](https://appshunter.io/developer/901756576) |

## What reviewers say

### NRK87.

[App page](https://appshunter.io/ios/app/nrk87/id1602546975)

This app allows parents to track their children's location using built-in GPS trackers in clothing. It provides peace of mind by enabling easy person-finding and instant contact.

**Highlights:** Real-time GPS tracking, Instant contact functionality, Location monitoring, Child safety focus, Integrated with clothing

**In-app purchases:** none


### ScreenLines

[App page](https://appshunter.io/ios/app/screenlines/id6739783494)

This utility app provides a visual guide to perfectly align screen protectors on your device. It displays a white guideline around the screen edges, helping you position the protector with precision for a flawless installation.

**Highlights:** On-screen alignment guideline, Edge-to-edge white border, Step-by-step installation instructions, Tutorial video, Preparation tips, Keeps screen awake

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Yearly | $2.99 | per year |
| Premium Forever | $6.99 | one-time |


## Frequently asked questions

### Is NRK87. free?

NRK87. is free to download, with no in-app purchases.

### Is ScreenLines free?

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

### Do NRK87. or ScreenLines have ads?

Neither NRK87. nor ScreenLines shows ads.

### Which is updated more often, NRK87. or ScreenLines?

NRK87. ships an update every 4 months, and ScreenLines every 5 weeks. Most recently, NRK87. was updated on October 6, 2026 and ScreenLines on October 5, 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.*