# Ntrip checker vs TopLayout

Ntrip checker and TopLayout are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Ntrip checker ships an update every 4 months, TopLayout every 3 months. The most recent releases landed on October 7, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Ntrip checker | TopLayout |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (2 ratings)](https://appshunter.io/ios/app/ntrip-checker/id1459504498/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 months** |
| Monetization | Ad-supported | — |
| Size | 59 MB | 47 MB |
| Requires iOS | 15.6 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Navmatix](https://appshunter.io/developer/921372764) | [TOPCON CORPORATION](https://appshunter.io/developer/1518903564) |

## What reviewers say

### Ntrip checker

[App page](https://appshunter.io/ios/app/ntrip-checker/id1459504498)

This app tests NTRIP Client connections to NTRIP Casters and analyzes RTCM streams. It allows users to configure connection parameters, select mountpoints, and view received RTCM messages, satellite data, and base station proximity.

**Highlights:** Test NTRIP Client connection, Analyze RTCM stream, Configure connection parameters, Select mountpoint, View RTCM message statistics, See GNSS satellite data

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

**In-app purchases:** none


### TopLayout

[App page](https://appshunter.io/ios/app/toplayout/id1518903562)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Ntrip checker free?

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

### Is TopLayout free?

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

### Do Ntrip checker or TopLayout have ads?

Neither Ntrip checker nor TopLayout shows ads.

### Which is updated more often, Ntrip checker or TopLayout?

Ntrip checker ships an update every 4 months, and TopLayout every 3 months. Most recently, Ntrip checker was updated on October 7, 2026 and TopLayout on October 8, 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.*