Feature comparison

i2k Retina

Standard

i2k Retina

Standard Plus

i2k Retina

Professional

i2k Retina

Professional Plus

 1. Automatic image registration

Yes

Yes

Yes

Yes

 2. Automatic and configurable output cropping

Yes

Yes

Yes

Yes

 3. Automatic mask detection

Yes

Yes

Yes

Yes

 4. Automatic blending and stitched of input

     images into a montage / mosaic output

Yes

Yes

Yes

Yes

 5. Quadratic or affine alignment method

Yes

Yes

Yes

Yes

 6. Adjust blending options: fully-blended, partial

    or no blending

Yes

Yes

Yes

Yes

 7. User-selectable processing effort

Yes

Yes

Yes

Yes

 8. User-selectable target image (default is

     automatic center selection)

Yes

Yes

Yes

Yes

 9. Output aligned images to an automatically

     calculated coordinate space of a target image

No

Yes

Yes

Yes

 10. Automatic alignment of images from multiple

       modalities (color fundus, OCTA, FA, etc)

No

Yes

Yes

Yes

 11. Sequential display of aligned images

No

In i2k Viewer

In i2k Viewer

In i2k Viewer

 12. Overlapping display and comparison of

       aligned images (fusion & multi-view modes)

No

In i2k Viewer

In i2k Viewer

In i2k Viewer

 13. Output gif & .mov files from aligned images

       to illustrate sequential display

No

In i2k Viewer

In i2k Viewer

In i2k Viewer

 14. Locate a point on one image and instantly

       see the same point on any other image

       (linked view in synchronization mode)

No

No

In i2k Viewer

In i2k Viewer

 15. Save and load transformations

No

No

Yes

Yes

 16. Mosaic sequences (for multi-session

       images)

No

No

Yes

Yes

 17. Combine multiple acquisitions

No

No

Yes

Yes

 18. Adaptive optics images

No

No

Upgrade option

Upgrade option

 19. Support for non-retinal images types

No

No

Yes

Yes

 20. Surrogate image substitution

No

No

Yes

Yes

 21. Define a Region of Interest on input images

No

No

Yes

Yes

 22. Special image acquisition paths (used with

       Adaptive Optics images)

No

No

Yes

Yes

 23. Developer kit (SDK) including command line

       utility program for batch image processing

No

No

No

Yes

 24. User-selected correspondence points

No

No

Yes

Yes

 25. Input / output of in-memory images

No

No

No

Developer kit API only

 26. Number of images per processing

up to 75

up to 75

up to 1000

75 / 1000+

 27. Image formats: JPEG, BMAP, TIFF, PNG

Yes

Yes

Yes

Yes

 28. DICOM support

No

No

No

No

 29. Move license between computers

Yes

Yes

Yes

Yes

 30. MacOS 10.7 or higher (12.x for Desktop);

       Windows 10 and 11

Yes

Yes

Yes

Yes

 31. Linux OS support

no

no

no

SDK only

 32. Maximum number of registration batches

       from command line program or API

n.a.

n.a.

n.a.

500

 33. License duration

Five years

Five years

Eight years

One year

 34. Number of activation codes

One

One

One

Two (desktop & command line)

 35. User support and software updates

Two years

Two years

Eight years

One year

 36. Price

$995

$1395

$1990

$1849

 37. Extended support option: additional 3 years

$149

$149

Not needed

Not applicable

 38. User interface

Desktop application

Desktop application

Desktop application

Desktop app & SDK

 39. Recent release

V. 3.20

V. 3.20

V. 3.20

V. 3.20

 Comparison of releases

i2k Retina

Release

2.x

i2k Retina

Release

3.9 or later

 A) Core features such as automatic image

 registration; automatic mask detection;

 automatic illumination correction; quadratic

 alignment method; automatic target image

 selection

Included

No change

 B) User-selectable target image

Included

Improved desktop application interface

 C) Surrogate image substitution

Included

Improved in desktop application and API

 D) Define a Region of Interest on

     any image

Included

Improved desktop application interface

 E) Detect which images were included

     in different image groupings

Not supported in desktop application

Improved API support and available from desktop application

 F) Adaptive optics images

Not supported

Upgrade option

 G) User-selected correspondence points

Not available

Option

 H) Number of bits supported per color

8

8,10,12,16

 I) Incremental montage

Not available

Only available as an option for developers. No end-user application available.

 J) Use on iOS devices

Not available

Only available as an option for developers. No end-user application available.

 K) Move license between computers with

     deactivation command

Included

Improved desktop application interface

 L) License duration

Perpetual and defined subscriptions were available.

Desktop application only available with a defined subscription period. Developers continue to have multiple options available.

 M) User support and software updates

The last update was version 2.5. End-user support for desktop application ends in January 2026..

The SDK is not available.

Current desktop application is version 3.20.  Support available depends on configuration purchased.

 N) Are activation codes interchangeable

     between versions 2.x and 3.x?

No

No

 O) Support and updates included at time of

     purchase for perpetual activation codes

3 years for Std configuration

5 years for Pro configuration

3 years for Std configuration

5 years for Pro configuration

 P) Price for Support after the initial support

     period has ended

Depends on duration of time since the support period ended

15% for one year

25%  for five years

 Q) Upgrade price to next major version

None after January 2026.

Not needed if Support is current