Emlid Flow vs NTRIP STX
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Emlid Flow
Manage Emlid Reach receivers and perform positioning tasks like data collection and mapping. Offers free and pro plans for various survey workflows, with cloud sync and team collaboration features.
- Receiver management (base/rover setup)
- RTK/PPK configuration
- Point collection and stakeout
- Import/export various file formats
- Coordinate system library
- Cloud sync with Emlid Flow 360
- Team collaboration
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Emlid Flow is a companion app for Emlid Reach receivers, designed to manage devices and handle all your positioning tasks in one place. The app has Free and Pro plans for a wide range of applications, from ground control point collection to topographic mapping and earthworks. What you get with the free version: - Full control of your receivers: set up base and rover, update, configure RTK and PPK. - Point collection and stakeout. - Import/Export CSV, DXF, KML, or Shapefile files. - Built-in coordinate system library with over 1000 systems. - Ability to create custom coordinate systems. - Base shift. - Cloud sync with Emlid Flow 360. - Team collaboration with up to 10 members. Emlid Flow 360 is the web platform where you can access all data from the app and vice versa! Sync works instantly, allowing you to prepare, manage, and export projects in the office without manual file transfers and even with the receiver at hand. For more advanced survey workflows, Emlid Flow offers Pro Plan: - Collect and stakeout lines and polygons. - Stakeout reports and collect rules for accuracy control. - Survey codes to better differentiate data. - DTM support. - Auto collection tool to free your hands. - Inverse & Traverse for geometry calculations. - Team collaboration with an unlimited number of members. And much more with continuous updates! Try Pro Plan with a 30-day trial available on all platforms. Terms of use: https://emlid.com/legal/#apps-terms Privacy Policy: https://emlid.com/legal/#privacy
NTRIP STX
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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
Verdict
The clearest difference is update cadence: Emlid Flow at every 10 days against NTRIP STX's every 10 months. On price, ads, in-app purchases 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
Both are free to download. Emlid Flow sells 1 in-app purchase, starting at $24.99 per month and NTRIP STX sells 2 in-app purchases, starting at $4.49 per month. Whichever you choose, the download price is not the number that matters.
Emlid Flow ships an update every 10 days, NTRIP STX every 10 months. The most recent releases landed on October 29, 2026 and October 25, 2026 respectively.
| Parameter | Emlid Flow | NTRIP STX |
|---|---|---|
| Price | Free | Free |
| Rating | 3.9 (37 ratings) — better | — |
| Positive reviews | 55.0% of reviews | — |
| Number of ratings | 37 — better | — |
| Update frequency | Every 10 days — better | Every 10 months |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Freemium | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 205 MB | 109 MB |
| Age rating | 4+ | 4+ |
| Developer | Emlid Tech Kft. | ITS Geo Solutions GmbH |
In-app purchases
Emlid Flow
- Pro Plan Individual Monthly1 Month trial$24.991 Month
NTRIP STX
- Professional - Monthly$4.491 Month
- Professional - Annual$46.991 Year









