Comparison

E vs Optaxis

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

Head to head
About

E

Features
Read full description

The E-INK canvas app is an app that synchronizes images with Memorycbue E-INK canvas, and it is also an app that utilizes AI for artistic creation. You can project your photos or artistic creations onto the wall without printing. Combined with the Memorycube physical E-INK canvas, this app enables AI-powered artistic creation, unlocking your inner artistic potential. It can assist you in transforming any creative spark, vision, or story into unique pixel art. You can: Upload and manage your photos, or use AI to create artworks. Your home decoration will be in your hands, allowing your vision to turn into beautiful artworks. Creating art has never been so simple and intuitive. Display your artistic taste or family love through loop display, while traditional picture frames cannot change their displayed content. Schedule and playlist, calendar displayed in the morning, and other content displayed at other times. Image preprocessing makes the image on the canvas more in line with your requirements. Photos won't be uploaded to the cloud, ensuring your privacy. Download the E-INK canvas app now and create a unique artistic space for every day of your life. Terms of Use:https://www.memorycube.net/agreement?id=10

About

Optaxis

Features
Read full description

Optaxis - Master the Axis, Connect the Like-minded This is not another filter camera app. Optaxis is a pro toolbox and community for 35mm full-frame, medium & large format, Leica, Sony, Fuji, Canon, Nikon, Panasonic, Hasselblad, Phase One, ALPA technical cameras, and film. 23 engineer-grade toolsets (40+ sub-tools), a 1500+ lens spec database, a global community, and an AI assistant - all in one app. 23 PROFESSIONAL TOOLSETS [PRE - PLANNING] - Weather & Light - live weather, golden / blue hour, moonrise & set, clouds - Aurora - regional visibility, cloud + moon factors, 3-day forecast - Burn Sky - multi-day burning-cloud index, probability model, share poster - Tide - tide forecast, photo / surf / fishing presets, multi-day charts - Specialty Weather - sea-of-clouds / rime / alpenglow probability, 28 locations - Field of View & Focal - 7 bodies x 19 backs, 35mm equiv, shift-stitch, image circle, DOF / hyperfocal - Scout - map sun / moon / Milky Way planner, azimuth, rise / set, spot check-in - Plan - pre-shoot planning, gear checklist, WeatherKit, linked log, cloud sync [SHOOT - IN THE FIELD] - Compose - multi-focal overlay, 9 grids, 6 live B&W filters, RGB histogram - AR Viewfinder - live overlay, level, light meter, sun / moon / Milky Way AR, AI Vision - Exposure - exposure triangle, EV, ND, bellows, film reciprocity - Scheimpflug Tilt / Swing - tilt / swing angle, focus distance (to f/64), linked DOF - Live Shift - real-time architectural shift, multi-back image circle, WYSIWYG - Exposure Session - reciprocity, bellows, filter & manual compensation on one screen - Timer - long-exposure countdown, safe shutter speed, cable release - Compass - true / magnetic north, declination, precise bearing [POST - DARKROOM] - Film Dev - 5-step wizard, +/-0.5C control, batch decay compensation, 11 verified recipes - Darkroom - dodge / burn notes, 4 safelights, F-stop test strips, MG filters - EI Calibration - reversal Zone VIII algorithm, community distribution, one-tap share - Reciprocity - reciprocity-failure curves, push / pull, multi-brand reference - Print Size - DPI rating, stitched megapixels, museum-grade, wall-mount preview [LOG - RECORD & SKY] - Diary - gear / params / notes, 12-field film mode, 2 clips, auto EXIF, cloud sync - Astro - star trails (500 / NPF), Milky Way, sun & moon paths, eclipse catalog 2026-2035, meteor showers, 53 stars + 5 planets AR EQUIPMENT ARCHIVE Manage bodies, backs, lenses, filters, kits, and film. Spec library: Leica M/SL/S, Hasselblad XCD/HC, Fuji GF, ALPA HR, Schneider / Rodenstock LF. Side-by-side comparison plus cloud sync. UNCOMPROMISED QUALITY Native HEIC, 10-bit Display P3, up to 80MB originals. Full dynamic range and color for medium and large format. GLOBAL PHOTOGRAPHER COMMUNITY - Multi-image posts - main + 100% detail crops, 9-image upload - Global map - discover nearby, spot check-in, meetups, community studios & dev labs - Hashtags, collections, Daily Inspiration, themed contests - Direct & group chat - text, image, file, equipment cards, params, group events - Voice & video calls - in-call photo + EXIF, equipment cards - Verification badges - ALPA, Cinema Lens, Leica, Hasselblad, Fuji, Large Format - Safety - report, block, moderation, AI pre-upload screening AI PHOTO ASSISTANT XiaoGuang AI - photo critique, captions, bio, log analysis, voice-to-text. Knowledge base across Leica, Hasselblad, Fuji GFX, ALPA, large format. Mention in group chats; CN/EN auto-translate. ARTICLES & NEWS In-depth Tips, industry News, community submissions, auto CN/EN translation. SUBSCRIPTION Free to use all calculators and community features. Pro unlocks the AI photo assistant and more. Monthly and yearly; pricing in-app. Billed through Apple ID, auto-renews, cancel anytime in Settings > Apple ID > Subscriptions. Terms of Use: https://optaxis.app/terms.html Privacy Policy: https://optaxis.app/privacy-policy.html Support: https://optaxis.app/support.html

Screenshots

E3 screens
Optaxis4 screens

Verdict

The call

The clearest difference is update cadence: Optaxis at every 4 days against E's every 5 weeks. E's advantage is iOS requirement (13.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. E sells 9 in-app purchases, starting at $4.79 per month and Optaxis sells 2 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

E ships an update every 5 weeks, Optaxis every 4 days. The most recent releases landed on September 18, 2026 and October 3, 2026 respectively.

Scorecard2 real differences ยท 4 level
E versus Optaxis: the parameters behind the verdict, then further details
ParameterEOptaxis
PriceFreeFree
Update frequencyEvery 5 weeksEvery 4 days โ€” better
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPodiPhone, iPad
Requires iOS13.0 โ€” better17.0
Further details โ€” not scored
Size27 MB123 MB
Age rating4+4+
DeveloperINTERNATIONAL SHINING STAR TECHNOLOGY CO., LIMITEDๅฏฐๅฎ‡ๆ˜Ÿ่€€็ง‘ๆŠ€ๆœ‰้™ๅ…ฌๅธXIAO MIN NI

In-app purchases

9 purchases

E

Subscriptions3
  • Monthly Sub$4.791 Month
  • Quarterly Sub$13.903 Months
  • Annual Sub$48.901 Year
One-time6
  • 100Pts$1.39
  • 200Pts$2.69
  • 500Pts$6.59
Show 3 more
  • 1000Pts$13.00
  • 1500Pts$19.49
  • 2000Pts$26.00
2 purchases

Optaxis

Subscriptions2
  • Monthly14 Days trial$5.991 Month
  • Yearly14 Days trial$49.991 Year

Questions

Is E free?
E is free to download, with in-app purchases available.
Is Optaxis free?
Optaxis is free to download, with in-app purchases available.
Do E or Optaxis have ads?
Neither E nor Optaxis shows ads.
Which is updated more often, E or Optaxis?
E ships an update every 5 weeks, and Optaxis every 4 days. Most recently, E was updated on September 18, 2026 and Optaxis on October 3, 2026.

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