GR Viewer for GR2 & GR3 vs Image Sync
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
GR Viewer for GR2 & GR3
Wirelessly connect to your Ricoh GR II, GR III, or GR IIIx camera to browse, download, and manage your photos. Supports RAW, JPG, and MOV formats, with options for remote control and geotagging.
- WiFi camera connection
- Browse photos remotely
- Download photos (RAW, JPG, MOV)
- Remote camera control
- Geotag JPG photos
- Access photos via iCloud/FTP/WebDAV
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The must-have app for you Ricoh GR II, GR III, and GR IIIx * Connect to you Ricoh GR II, GR III, and GR IIIx's WiFi and browse all photos inside. You can use NFC to join the WiFi, on NFC supported iPhone models(GR II only). * Connect History is saved so next time you just need one tap to connect to camera. * Download the best shots to iPhone's camera roll or app's inside storage, in the format you choose. Creation Date can be saved optionally. * Use swipe gesture to easily select mutiple photos to download or share. * Assign geo location info to JPG photos. * JPG, RAW and MOV formats are supported. * Access photos saved in app from iCloud Drive or visiting FTP/WebDAV servers on your PC/Mac. * Remote control your camera to adjust focus/parameters and take photo. Terms of Use: https://storepal.app/gr-viewer/terms
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/
Screenshots
Verdict
The clearest difference is price: Image Sync at Free against GR Viewer for GR2 & GR3's $9.99. Image Sync also leads on iOS requirement (13.0 vs 18.0). GR Viewer for GR2 & GR3's advantage is rating (4.2 vs 1.8) and review sentiment (48% vs 13%). On ratings volume, ads, in-app purchases and monetization model 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 Viewer for GR2 & GR3 costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.
GR Viewer for GR2 & GR3 holds the better App Store score, 4.2 against 1.8. Both are backed by a comparable volume of ratings — 216 and 200 respectively. Written reviews point the same way: 48% of GR Viewer for GR2 & GR3's written reviews are positive against 13% of Image Sync's.
GR Viewer for GR2 & GR3 ships an update every 5 days, Image Sync every 3 months. Both last shipped on October 29, 2026.
| Parameter | GR Viewer for GR2 & GR3 | Image Sync |
|---|---|---|
| Price | $9.99 | Free — better |
| Rating | 4.2 (216 ratings) — better | 1.8 (200 ratings) |
| Positive reviews | 48.2% of reviews — better | 13.1% of reviews |
| Number of ratings | 216 — better | 200 |
| Update frequency | Every 5 days — better | Every 3 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Requires iOS | 18.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 13 MB | 25 MB |
| Age rating | 4+ | 4+ |
| Developer | Xiao Xiao | RICOH IMAGING COMPANY,LTD |
Customer experience
GR Viewer for GR2 & GR3
Image Sync
Bugs and requests
GR Viewer for GR2 & GR3
Not enough reviews yet to summarise bugs or 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
In-app purchases
GR Viewer for GR2 & GR3
No in-app purchases
Image Sync
No in-app purchases
Questions
Is GR Viewer for GR2 & GR3 free?
Is Image Sync free?
Which has better reviews, GR Viewer for GR2 & GR3 or Image Sync?
Do GR Viewer for GR2 & GR3 or Image Sync have ads?
Which is updated more often, GR Viewer for GR2 & GR3 or Image Sync?
Other comparisons
