# GRImageViewer vs GR Lab

The clearest difference is rating: GR Lab at 4.0 against GRImageViewer's 3.4. GR Lab also leads on ads (none vs shown). GRImageViewer's advantage is iOS requirement (14.0 vs 16.4). On price, review sentiment, ratings volume and update cadence there is nothing between them.

Both are free to download. GRImageViewer sells 1 one-off in-app purchase and GR Lab sells 6 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.

GR Lab holds the better App Store score, 4.0 against 3.4. Both are backed by a comparable volume of ratings — 42 and 21 respectively. Written reviews complicate that: 52% of GRImageViewer's written reviews are positive against 50% of GR Lab's, so the app with the better star average is not the one people write more warmly about.

GRImageViewer ships an update every 3 weeks, GR Lab every 2 weeks. The most recent releases landed on August 23, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | GRImageViewer | GR Lab |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.4 (42 ratings)](https://appshunter.io/ios/app/grimageviewer/id1530691089/reviews) | **[4.0 (21 ratings)](https://appshunter.io/ios/app/gr-lab-ricoh-image-sync/id6739606956/reviews)** |
| Number of ratings | **42** | 21 |
| Positive reviews | **51.9% of reviews** | 50.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 26 MB | 44 MB |
| Requires iOS | **14.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Pin Chih Lin](https://appshunter.io/developer/999376709) | [定康 王](https://appshunter.io/developer/1786274949) |

## What reviewers say

### 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 |


### GR Lab

[App page](https://appshunter.io/ios/app/gr-lab-ricoh-image-sync/id6739606956)

Enhance your Ricoh GR camera experience with this app. Create and manage custom presets, organize your photos in an aesthetic album, and extract images from social media. Connect and control your camera remotely, and track your shooting history.

**Highlights:** Custom preset library, Aesthetic photo album with tags/notes, AI-powered image extraction, Wi-Fi/Bluetooth camera connection, Remote camera control with live view, Shooting log and history visualization, Preset card sharing

**Features:** macOS Compatibility, Family Sharing, Vision Pro support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| GR Lab-7-day member | $1.99 | per 7 days |
| GR Lab-Monthly Membership | $2.99 | per month |
| GR Lab - Pro Annual Member | $9.99 | per year |
| GR Lab-年度会员 | $14.99 | per year |
| GR Lab-Pro Lifetime | $9.99 | one-time |
| GR Lab-LIfetime Pro | $24.99 | one-time |


## Frequently asked questions

### Is GRImageViewer free?

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

### Is GR Lab free?

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

### Which has better reviews, GRImageViewer or GR Lab?

GR Lab is rated higher. GRImageViewer averages 3.4 out of 5 from 42 ratings, while GR Lab averages 4.0 from 21 ratings.

### Do GRImageViewer or GR Lab have ads?

GRImageViewer shows ads; GR Lab does not.

### Which is updated more often, GRImageViewer or GR Lab?

GRImageViewer ships an update every 3 weeks, and GR Lab every 2 weeks. Most recently, GRImageViewer was updated on August 23, 2026 and GR Lab on September 24, 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.*