Image Sync vs GR Linker
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Image Sync
Control compatible cameras remotely, view live feeds, and transfer images directly to your mobile device. Upload photos to social media or copy them for safekeeping. Offers full camera control for enhanced shooting experiences.
- Remote shooting with live view
- View and copy images to mobile
- Upload images to social media
- Control camera settings remotely
- Transfer photos wirelessly
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Paired with a RICOH IMAGING's compatible camera, "Image Sync" application enables your mobile device to remotely shoot, view and copy images and upload them to SNS sites. 【Feature】 1.View and Copy Images You can view images taken with your camera and copy them to your mobile device. You can also upload them to SNS sites. 2.Remote Shooting You can monitor the live view image on your mobile device. Various camera operations including EV compensation and shutter release are possible from a mobile device. 【Supported Digital Cameras】 PENTAX K-1 PENTAX K-1 Mark II PENTAX K-3 Mark III PENTAX KP PENTAX KF PENTAX K-S2 PENTAX K-70 RICOH GR II RICOH GR III RICOH GR IIIx RICOH WG-M2 RICOH G900SE RICOH G900SE II 【Supported OS】 iOS 16 – 18, iOS 26 * Operation is not guaranteed on all devices. * Operation is confirmed on these devices as of May 2026, but this information may be changed at any time in the future without prior notice. 【Note】 For detail about ImageSync, refer to the website. http://www.ricoh-imaging.co.jp/english/products/app/image-sync2/ RICOH WG-M1 is not supported by Image Sync. For details, refer to the the website; http://www.ricoh-imaging.co.jp/english/products/wg-m1/
GR Linker
Wirelessly transfer photos and videos from your Ricoh GR II, GR III, or GR IIIx camera to your phone. Browse, select, and download JPG, RAW, and MOV files with support for multitasking and quick connections.
- Wireless photo and video transfer
- Supports JPG, RAW, and MOV formats
- Browse camera photos and Exif data
- Swipe to select multiple photos
- Multitasking concurrent downloads
- Quick camera connection
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GR Linker is a specialized tool for Wi-Fi wireless photo transfer for Ricoh GR II, GR III, GR IIIx and GR IV cameras (including the HDF Edition). With this tool, you can wirelessly transfer photos and videos from your camera to your phone. It supports browsing and downloading of JPG, RAW, and MOV format photos and videos. It also supports quick camera connection, swipe to select multiple photos, and multitasking concurrent downloads. - Connect Easily configure for a quick connection. - Browse Browse photos on your camera and view photo Exif information. - Select Swipe to select multiple photos and quickly add them to the download list. - Download Download multiple items concurrently and save them to the system album. --------------- Terms of Use: https://solotechstudio.com/terms/english Privacy Policy: https://solotechstudio.com/privacy/english Contact Us: If you have any questions, please email support@solotechstudio.com ：）
Screenshots
Verdict
The clearest difference is price: Image Sync at Free against GR Linker's $7.99. GR Linker's advantage is review sentiment (58% vs 13%) and rating (4.5 vs 1.8). On ratings volume, 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
Image Sync is free to download; GR Linker costs $7.99 up front. Neither carries in-app purchases, so what you see is what you pay.
GR Linker holds the better App Store score, 4.5 against 1.8. Both are backed by a comparable volume of ratings — 197 and 112 respectively. Written reviews point the same way: 13% of Image Sync's written reviews are positive against 58% of GR Linker's.
Image Sync ships an update every 3 months, GR Linker every 2 months. The most recent releases landed on September 23, 2026 and September 21, 2026 respectively.
| Parameter | Image Sync | GR Linker |
|---|---|---|
| Price | Free — better | $7.99 |
| Rating | 1.8 (197 ratings) | 4.5 (112 ratings) — better |
| Positive reviews | 13.1% of reviews | 57.6% of reviews — better |
| Number of ratings | 197 — better | 112 |
| Update frequency | Every 3 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Best chart rank | — | #112 — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 14.0 |
| Further details — not scored | ||
| Size | 25 MB | 13 MB |
| Age rating | 4+ | 4+ |
| Developer | RICOH IMAGING COMPANY,LTD | Hangzhou Yuhang Solo Tech Studio (Individually Owned Business) |
Customer experience
Image Sync
GR Linker
Bugs and requests
Image Sync
Reported bugs
4 issues- App doesn't recognize camera's WiFi
- Bluetooth connection not working
- Fails to transfer RAW images
- Crashes when transferring photos
Requested features
4 requests- Add landscape mode for iPad
- Improve file management and cloud integration
- Add self-timer feature
- Provide firmware update capability
GR Linker
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Image Sync
No in-app purchases
GR Linker
No in-app purchases
