ST vs ST
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ST
This app converts photos and images into a format compatible with D-STAR transceivers for the Share Picture function. Users can crop images, add text like call signs, and transfer them wirelessly or via Bluetooth to supported transceivers.
- Image conversion for D-STAR Share Picture
- Image cropping
- Add text (call signs)
- Wireless transfer to transceiver
- Bluetooth transfer to transceiver
- Save cropped image as file
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The ST-4001I is an application to crop an image used for the Share Picture function of a D-STAR transceiver, and transfers it to the transceiver. ・Photos taken, or photos/images saved on the iPhone and iPad can be converted into the format used for the Share Picture function of the D-STAR transceiver. ・You can crop the image and enter text such as a call sign. ・The cropped image can be transferred through a network to the D-STAR transceiver. ・The cropped image can be transferred through a network or using Bluetooth to the D-STAR transceiver. ・You can also save the cropped image as a file. Refer to the INSTRUCTIONS for details. Device requirements: iOS12 or later Supported transceiver (As of July 2024) Transceivers that can transfer via Bluetooth Icom ID-52A/E Icom ID-52A/E PLUS Transceivers that can transfer via network Icom IC-705 Icom IC-905 Icom IC-9700* *Firmware version 1.20 or higher NOTE • Icom does not guarantee that the ST-4001I works on all iPhone and iPad. It may not work properly, depending on the OS version, installed applications, or other reasons. • The transceiver and iPhone and iPad must be connected to the same network to transfer an image to a transceiver through a network. • Bluetooth LE is used to connect to a transceiver using Bluetooth. Transferring an image may take some time due to a slow data transfer rate.
ST
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This is a Bluetooth low energy (BLE) application for Globalsat ST-20 Series configuration. By synchronizing with your ST-20, you can check the battery capacity, FW/ APP version and current settings. Also, you can adjust GPS setting to fulfill different user scenarios. With this application and ST-20, we believe you will have a better experience. Functions: - Basic Information: Battery capacity/ FW version/ APP version - GPS Setting: Always on or not/ GPS open time - Operation Mode: Periodic or Motion mode/ Report interval - Other Setting: G-Sensor sensitivity/ Enable or disable power off …etc. - Firmware Upgrade - Restore support iOS 11 or above.
Screenshots
Verdict
ST and ST 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.
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.
ST ships an update every 27 months, ST every 39 months. Both last shipped on November 3, 2026.
| Parameter | ST | ST |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (4 ratings) — better | — |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 4 — better | — |
| Update frequency | Every 27 months — better | Every 39 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 12.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 12 MB | 10 MB |
| Age rating | 4+ | 4+ |
| Developer | ICOM INCORPORATED | Globalsat Technology Corporation. |
In-app purchases
ST
No in-app purchases
ST
No in-app purchases









