Comparison

I'm Back vs GR WORLD

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

Head to head
About

I'm Back

Features
Read full description

This is a custom app for sports cameras Includes the following functions 1. Connect the machine to the real-time preview screen 2. Set the machine parameters 3. Take photos and video, save video files to the mobile phone album

About

GR WORLD

This app enables remote camera control and image import from compatible GR series cameras to your smartphone. Organize photos into albums, display them as a widget, and even send location data to your camera for geotagging.

Highlights
  • Import images to smartphone
  • Organize photos into albums
  • Display images as a home screen widget
  • Remote shutter release
  • Set self-timer
  • Send location information to camera
Read full description

GR WORLD is an app that allows you to import images and perform shooting remotely by connecting a GR series camera to a smartphone. 【Feature】 1. Import images, Album, Widget You can import taken images to your smartphone. The images can be organized into albums, or displayed as a widget on the smartphone home screen, allowing you to enjoy viewing them just like a digital photo frame. 2. Remote shooting You can remotely release the camera shutter and set the self-timer. 3. Send location information to the camera. Location information acquired from the smartphone can be sent to the camera to record location information on images captured by the camera. Location information is acquired and sent to the camera even when the application is in the background or the smartphone is in sleep mode. 【Supported Digital Cameras】 RICOH GR IV RICOH GR IV HDF RICOH GR IV Monochrome RICOH GR III RICOH GR III HDF RICOH GR IIIx RICOH GR IIIx HDF RICOH GR II 【Supported OS】 iOS 16 - 18, iOS 26 * Operation is not guaranteed on all devices. * Operation is confirmed on these devices as of January 2026, but this information may be changed at any time in the future without prior notice. 【Note】 For detail about GR WORLD, refer to the website. https://www.ricoh-imaging.co.jp/english/products/app/gr-world/

Screenshots

I'm Back3 screens
GR WORLD4 screens

Verdict

The call

The clearest difference is iOS requirement: I'm Back at 9.0 against GR WORLD's 15.0. On price, ads, in-app purchases and device support 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. Neither carries in-app purchases, so what you see is what you pay.

Scorecard1 real difference · 9 level
I'm Back versus GR WORLD: the parameters behind the verdict, then further details
ParameterI'm BackGR WORLD
PriceFreeFree
Rating—2.1 (68 ratings) — better
Positive reviews—12.3% of reviews
Number of ratings—68 — better
Update frequency—Every 2 months
AdsNoNo
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPodiPhone, iPod
Requires iOS9.0 — better15.0
Further details — not scored
Size170 MB55 MB
Age rating4+4+
Developer孔九 张RICOH IMAGING COMPANY,LTD

Bugs and requests

I'm Back

Not enough reviews yet to summarise bugs or requests.

GR WORLD

Reported bugs

2 issues
  • VPN disrupts camera connection
  • Edited photos not shown as recent

Requested features

3 requests
  • Live view for remote shooting
  • Background photo sync
  • Ability to upload presets from app to camera

In-app purchases

None

I'm Back

No in-app purchases

None

GR WORLD

No in-app purchases

Questions

Is I'm Back free?
I'm Back is free to download, with no in-app purchases.
Is GR WORLD free?
GR WORLD is free to download, with no in-app purchases.
Do I'm Back or GR WORLD have ads?
Neither I'm Back nor GR WORLD shows ads.

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