Comparison

GRImageViewer vs GR Lab

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

GRImageViewer

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
Read full description

A simple yet handy app made for all Ricoh GR III/x lovers (myself included). Features: - Browse photos of your GR III/x camera via WiFi. - Remote capture supported - Beautiful grid layout for photo browsing. - View photos by date. - Transfer photo or a collection of photos from your GR III to your device. - Multitask photo transferring (4 downloads simultaneously). - View photo meta data: iso, aperture, file size, etc. - Show new photo(s) since last time connected to the same camera. - Geotagging feature (You will need the latest camera firmware). - OCR(optical character recognition) to capture SSID and password. - Change app icon feature. More features coming in the future, stay tuned!

About

GR Lab

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
Read full description

Complete support for Ricoh GR II, GR III, GR IV series cameras! We are dedicated to creating an app that makes your Ricoh GR camera even better to use :) --- ■ Preset Library · Build your exclusive preset library. · Identify preset parameters from sample photos with one click. · Easily record each parameter with a single tap. ■ Aesthetic Album: Of course, beautiful photos deserve to be saved! · Beyond color filter presets, you can also simply save photos. Record all the beautiful, interesting, and personally loved photos! Easily build your own aesthetic album. · Supports adding tags and notes. · Adapts to multiple image list layouts, switchable based on user preference. ■ Image Extraction: · Quickly extract images from social media platforms with one click, apply them instantly, and save them to your projects. Recording presets has never been easier! · High-definition extraction, watermark-free, simple and convenient. · Extracted images can be saved to your phone's album or project lists. · Powered by AI large models for smarter and easier recognition. ■ Camera Connection: Supports connecting Ricoh GR2, GR3, GR3x, GR3 HDF, GR3x HDF, GR4, and GR4 HDF cameras. · Wi-Fi and Bluetooth connection. · Connect to your camera anytime, anywhere for fast photo transfer. · Browse and view camera images in high definition. · Transfer photos quickly and stably. · Supports up to 10 simultaneous high-speed download tasks. · Automatically checks for camera firmware updates. · Multiple settings to meet your different needs. · Supports background transfer; no need to wait and watch. · Automatically syncs time and geolocation data to the camera. ■ Camera Remote Control · A fully-featured camera remote. · Supports live view preview. · Supports tap-to-focus on the screen. · Supports adjustment of various parameters. · You are in full control of your camera. ■ Apply Presets to Camera · Easily sync saved presets to your camera. · One-tap synchronization saves manual adjustments. · Currently supports GR2 and GR4 series cameras only. ■ Multiple Utility Tools · Preset parameter identification. · Shutter count inquiry. · Original image verification. · Camera serial number inquiry. · Camera manufacturing date inquiry. ■ "Did You Shoot Today?" Log A shooting log feature, inspired by the Xiaohongshu topic #今天用理光拍照了吗 (Did you shoot with your Ricoh today?), to record your daily shooting moments with your camera. · Supports logging photos, location, shooting type, mood, and notes. · Shooting Map for visualizing shooting locations. · Various data charts for an overview of your shooting history. · Supports logging for multiple cameras or custom entries. ■ Preset Card Sharing · Generate stylish preset cards for easy sharing. · Multiple card styles to choose from to suit your needs. · More styles are in development... ■ Live Activities & Dynamic Island · Photo download tasks are visible in real-time (for supported iPhones). ■ iCloud Data Backup & Sync: · Supports syncing project data across multiple devices! · Sync Panel: Clearly displays network status, iCloud connection, upload, and import progress. · Manual Sync: Sync project data with one tap! You decide when. ■ Other Features: · Supports Light and Dark theme switching. · Adapts to multiple project list layout styles, switchable by user preference! · Supports customizable App Icons! More styles and varieties are continuously being added.... · We will continue to develop more interesting new features for GR Lab in the future! --- ■ Suggestions & Feedback: · Xiaohongshu: 若水 · Email: wdklog@gmail.com --- Privacy Policy: https://www.privacypolicies.com/live/7c5b1603-e0c0-4bc9-b1a0-0155da718feb Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Disclaimer: This product is not affiliated with Ricoh Company, Ltd.

Screenshots

GRImageViewer4 screens
GR Lab4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard3 real differences · 7 level
GRImageViewer versus GR Lab: the parameters behind the verdict, then further details
ParameterGRImageViewerGR Lab
PriceFreeFree
Rating3.4 (42 ratings)4.0 (21 ratings) — better
Positive reviews51.9% of reviews — better50.0% of reviews
Number of ratings42 — better21
Update frequencyEvery 3 weeksEvery 2 weeks — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFreemium
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS14.0 — better16.4
Further details — not scored
Size26 MB44 MB
Age rating4+4+
DeveloperPin Chih Lin定康 王

Customer experience

GRImageViewer

All ratings41 ratings
Positive61.0%
Neutral2.4%
Negative36.6%
Written reviews27 reviews
Positive51.9%
Neutral3.7%
Negative44.4%

GR Lab

All ratings21 ratings
Positive71.4%
Neutral4.8%
Negative23.8%
Written reviews10 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

In-app purchases

1 purchases

GRImageViewer

One-time1
  • Remove Ads$4.99
6 purchases

GR Lab

Subscriptions4
  • GR Lab-7-day member$1.997 Days
  • GR Lab-Monthly Membership3 Days trial$2.991 Month
  • GR Lab - Pro Annual Member3 Days trial$9.991 Year
Show 1 more
  • GR Lab-年度会员$14.991 Year
One-time2
  • GR Lab-Pro Lifetime$9.99
  • GR Lab-LIfetime Pro$24.99

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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