BluetoothLE RTK vs Photogram Platform
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
BluetoothLE RTK
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1. Support GR-9029/GR-9028 Bluetooth LE GNSS receiver 2. App receive correction data from reference station and forward to receiver. 3. Receiver calculate the data and decide it's precision position, then send GGA to App 4.Finally App draw the position in map. App is a utility tool for testing the receiver. a.Relative position measurement GR-9029 have a button in it. User press the button ,then App will draw a pin in map. When user press again , the App draw a new pin and show the distance between two pin (If "distance measurement" function is enable) b. Absolute position measurement. Receiver is placed on a known position. User can compare the known position with the coordinate show in map. c.Benchmark with other receiver App support "Log" function , it can record entire path . User can compare the path with others and check the deviation
Photogram Platform
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The Photogrma Platform app lets you connect your Photopoint RTK Antenna wirelessly to your iPhone or iPad. You can create measurements directly in your project and manage your projects.
Screenshots
Verdict
The clearest difference is iOS requirement: BluetoothLE RTK at 12.4 against Photogram Platform's 15.0. On price, update cadence, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
BluetoothLE RTK ships an update every 2 weeks, Photogram Platform every 3 weeks. The most recent releases landed on May 14, 2026 and August 26, 2026 respectively.
| Parameter | BluetoothLE RTK | Photogram Platform |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 weeks — better | Every 3 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.4 — better | 15.0 |
| Further details — not scored | ||
| Size | 13 MB | 28 MB |
| Age rating | 4+ | 4+ |
| Developer | Navisys Technology Corp. | Photogram Srl |
In-app purchases
BluetoothLE RTK
No in-app purchases
Photogram Platform
No in-app purchases
Questions
Is BluetoothLE RTK free?
Is Photogram Platform free?
Do BluetoothLE RTK or Photogram Platform have ads?
Which is updated more often, BluetoothLE RTK or Photogram Platform?
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