# Image Sync vs GRImageViewer

The clearest difference is rating: GRImageViewer at 3.4 against Image Sync's 1.8. GRImageViewer also leads on review sentiment (52% vs 13%) and update cadence (every 3 weeks vs every 3 months). Image Sync's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. GRImageViewer sells 1 one-off in-app purchase. Image Sync asks for nothing beyond the download.

GRImageViewer holds the better App Store score, 3.4 against 1.8. Both are backed by a comparable volume of ratings — 197 and 42 respectively. Written reviews point the same way: 13% of Image Sync's written reviews are positive against 52% of GRImageViewer's.

Image Sync ships an update every 3 months, GRImageViewer every 3 weeks. The most recent releases landed on September 23, 2026 and August 23, 2026 respectively.

## The numbers

| Metric | Image Sync | GRImageViewer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.8 (197 ratings)](https://appshunter.io/ios/app/image-sync/id959773524/reviews) | **[3.4 (42 ratings)](https://appshunter.io/ios/app/grimageviewer/id1530691089/reviews)** |
| Number of ratings | **197** | 42 |
| Positive reviews | 13.1% of reviews | **51.9% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 25 MB | 26 MB |
| Requires iOS | **13.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [RICOH IMAGING COMPANY,LTD](https://appshunter.io/developer/715478020) | [Pin Chih Lin](https://appshunter.io/developer/999376709) |

## What reviewers say

### Image Sync

[App page](https://appshunter.io/ios/app/image-sync/id959773524)

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.

**Highlights:** Remote shooting with live view, View and copy images to mobile, Upload images to social media, Control camera settings remotely, Transfer photos wirelessly

**In-app purchases:** none

**What reviewers like**

- 👍 Works well
- 🚀 Fast and reliable downloading
- 💡 Geo tagging RAW images
- 👍 Good app, UI could use an update

**What reviewers complain about**

- 🐛 Frequent connection issues
- 🐛 Crashes and freezes
- 🐛 Slow and unreliable file transfer
- 👎 Confusing and unintuitive UI
- 🐛 Compatibility issues with newer devices

**Reported bugs**

- App doesn't recognize camera's WiFi
- Bluetooth connection not working
- Fails to transfer RAW images
- Crashes when transferring photos

**Requested features**

- Add landscape mode for iPad
- Improve file management and cloud integration
- Add self-timer feature
- Provide firmware update capability


### GRImageViewer

[App page](https://appshunter.io/ios/app/grimageviewer/id1530691089)

Easily browse, view, and transfer photos from your Ricoh GR III/x camera wirelessly. This app offers remote capture, metadata viewing, and efficient photo management with features like grid layout and date sorting.

**Highlights:** Browse GR III/x photos via WiFi, Remote camera capture, Grid layout for photo browsing, Transfer photos to device, View photo metadata, Geotagging support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $4.99 | one-time |


## Frequently asked questions

### Is Image Sync free?

Image Sync is free to download, with no in-app purchases.

### Is GRImageViewer free?

GRImageViewer is free to download, with in-app purchases available.

### Which has better reviews, Image Sync or GRImageViewer?

GRImageViewer is rated higher. Image Sync averages 1.8 out of 5 from 197 ratings, while GRImageViewer averages 3.4 from 42 ratings.

### Do Image Sync or GRImageViewer have ads?

GRImageViewer shows ads; Image Sync does not.

### Which is updated more often, Image Sync or GRImageViewer?

Image Sync ships an update every 3 months, and GRImageViewer every 3 weeks. Most recently, Image Sync was updated on September 23, 2026 and GRImageViewer on August 23, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*