Comparison

GNSS Analyzer vs NTRIP STX

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

GNSS Analyzer

Record and analyze positioning data from QZSS-supported receivers. View satellite radar, signal strength, and current location on a map. Import logs to review past data and receive disaster management reports.

Highlights
  • Record NMEA positioning data
  • View satellite radar and signal level
  • Display current position on map
  • Import and preview recorded NMEA logs
  • Receive QZSS DC Reports
  • Share NMEA log files via email
Read full description

This application enables you to record positioning data by the Quasi-Zenith Satellite System (QZSS) supported receiver. ●What is GNSS Analyzer? GNSS Analyzer enables you to record positioning data (NMEA log) by the QZSS supported receiver. It is provided satellites radar and signal level (C/N). You can also see the current position on the map. In addition, you can import the recorded NMEA log and display on the radar and the map. Furthermore, you can receive messages of Satellite Report for Disaster and Crisis Management "DC Report" that is known as QZSS services. ※You need QZSS supported receiver that is leased for free in the website below. URL: https://qzss.go.jp/appli-demo/appli01_info.html ●GNSS Analyzer main functions 【NMEA】 ・It shows positioning data as NMEA log by the receiver that are connected to your device (BLE connection). ・You can record output NMEA log in your device. ・Those recorded NMEA log file can be shared by e-mail. 【MapSky】 ・It is provided satellites radar and signal level (C/N). ・You can also see the current position on the map. 【Preview】 ・You can import the recorded NMEA log and display satellites radar, signal level and map position of time that you select. 【DC Report】 ・It shows messages of "DC Report" from QZSS. ・You can select display language (English or Japanese) and filter massages by current location. ●Support version -iOS 26 -iOS 18 -iOS 17 -iOS 16 -iOS 15 -iOS 14

About

NTRIP STX

Features
Read full description

NTRIP STX is a Ntrip client, capable of delivering RTK corrections to connected Stonex GNSS receivers to provide centimeter accuracy. You can then connect other mapping and surveying apps to these receivers for precise data collection and stakeout. NTRIP STX includes a world-wide database of available Ntrip casters. Free subscription: - Run the Ntrip connection for 10 minutes per day - Free 7 days trial of all “Professional" subscription features Paid "Professional" subscription: - no time limits on connection to Ntrip caster Purchase of a NTRIP STX subscription allows you to run the NTRIP STX App on all supported platforms. Subscription payments will be charged to your iTunes Account at confirmation of purchase and will automatically renew unless you cancel your subscription or turn off auto-renewal at least 24-hours prior to the end of the current subscription period. A cancelled subscription remains active until the end of the current period, at which time your account reverts to the “Free" subscription functionality. Customers selecting the Free Trial will enjoy “Professional" subscription features for a period of 7 days, after which they can elect to purchase a paid subscription. In the absence of a purchase, their account will revert to “Free" subscription functionality. For further information: • NTRIP STX Privacy Policy: https://its-geo.eu/Privacy.html • NTRIP STX Terms of Use: https://its-geo.eu/terms-of-service.html

Screenshots

GNSS Analyzer3 screens
NTRIP STX4 screens

Verdict

The call

The clearest difference is in-app purchases: GNSS Analyzer at none against NTRIP STX's 2. On price, update cadence, ads and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. NTRIP STX sells 2 in-app purchases, starting at $4.49 per month. GNSS Analyzer asks for nothing beyond the download.

UpkeepUpdate frequency

GNSS Analyzer ships an update every 12 months, NTRIP STX every 10 months. The most recent releases landed on September 18, 2026 and September 8, 2026 respectively.

Scorecard1 real difference · 9 level
GNSS Analyzer versus NTRIP STX: the parameters behind the verdict, then further details
ParameterGNSS AnalyzerNTRIP STX
PriceFreeFree
Rating1.0 (1 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings1 — better—
Update frequencyEvery 12 monthsEvery 10 months — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS14.0 — better15.0
Further details — not scored
Size24 MB109 MB
Age rating4+4+
DeveloperNEC CorporationITS Geo Solutions GmbH

In-app purchases

None

GNSS Analyzer

No in-app purchases

2 purchases

NTRIP STX

Subscriptions2
  • Professional - Monthly$4.491 Month
  • Professional - Annual$46.991 Year

Questions

Is GNSS Analyzer free?
GNSS Analyzer is free to download, with no in-app purchases.
Is NTRIP STX free?
NTRIP STX is free to download, with in-app purchases available.
Do GNSS Analyzer or NTRIP STX have ads?
Neither GNSS Analyzer nor NTRIP STX shows ads.
Which is updated more often, GNSS Analyzer or NTRIP STX?
GNSS Analyzer ships an update every 12 months, and NTRIP STX every 10 months. Most recently, GNSS Analyzer was updated on September 18, 2026 and NTRIP STX on September 8, 2026.

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