Comparison

can vs Focus40

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

Head to head
About

can

This app offers specialized visual development exercises for infants and children with low vision or at risk of impairment. Developed with medical professionals, it provides tailored modules to enhance visual and cognitive skills, aiding early development and world engagement.

Highlights
  • Tailored visual development exercises
  • Modules for low vision and impairment risk
  • Aids visual and cognitive development
  • Hand-eye coordination training
  • Recognition of lights, shapes, and colors
  • Reporting functions for doctors
  • Informative screens for family
Read full description

We all want to give our children the best start in life, which is why their early stages are so crucial to their development. A child's vision is at the heart of how they first discover and engage with the world. 3 million children around the world suffer from low vision, with congenital cataracts, glaucoma, neurological diseases, and prematurity being some of the common causes that affect young children's vision. can-eye is a mobile application specifically designed to aid children who are suffering from low vision or are at risk of developing a visual impairment. can-eye was developed by engineers working in close collaboration with medical doctors, including neonatologists, ophthalmologists and occupational therapists, in order to develop functional exercises for infants and children which offer early vision-specific developmental support. can-eye serves as a powerful resource for children and infants who suffer from visual impairments. can-eye is full of stimulating exercises which are specifically tailored to your child's needs. Following some brief introductory questions, can-eye is able to recommend specific modules which will be beneficial to your child, each packed with an exciting range of exercises which aid visual and cognitive development. Each exercise is designed to develop a specific value, with some developing children's recognition of lights and shapes, others focused on developing hand-eye coordination, and others designed to develop recognition of colours, real-world objects and scenery. can-eye also features reporting functions for doctors and informative screens for family members. can-eye has the potential to be a life-changing tool for infants and children with low vision around the world. Download can-eye today to kick-start your child's bright future. can-eye won't share your data in any way with other people without your consent. Terms of use: https://www.caneyecu.com/terms-of-use

About

Focus40

This app offers interactive eye exercises and focus training to improve visual health. It utilizes AR to measure reading distance and provides personalized settings for various exercise modes. Track your progress and reduce eye strain in just a few minutes daily.

Highlights
  • AR reading distance measurement
  • 5 eye exercise modes
  • Personalized time and speed settings
  • Progress tracking
  • User-friendly interface
Features
Read full description

Focus40** is an interactive app designed to support your eye health and enhance your focus abilities. • Measure reading distance with AR technology • 5 different eye exercise modes (Circular, Zigzag, Star, etc.) • Personalisation with time and speed settings • Record and track progress • User-friendly interface • Those experiencing blurred vision • Individuals who spend long hours in front of screens • Anyone looking to increase their reading focus time • Anyone wanting to reduce eye strain Give your eyes the break they deserve in just 3 minutes with Focus40.

Screenshots

can4 screens
Focus404 screens

Verdict

The call

The clearest difference is review sentiment: can at 71% against Focus40's 0%. can also leads on update cadence (fortnightly vs every 6 months). On price, ads, in-app purchases and monetization model 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. can sells 4 in-app purchases, starting at $14.99 per month and Focus40 sells 3 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

can ships an update fortnightly, Focus40 every 6 months. The most recent releases landed on October 14, 2026 and October 20, 2026 respectively.

Scorecard2 real differences · 8 level
can versus Focus40: the parameters behind the verdict, then further details
ParametercanFocus40
PriceFreeFree
Rating—3.0 (2 ratings) — better
Positive reviews71.4% of reviews — better0.0% of reviews
Number of ratings—2 — better
Update frequencyFortnightly — betterEvery 6 months
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFreemium
DevicesiPhone, iPad, iPod, Mac — betteriPhone, iPad, Mac
Requires iOS15.0 — better16.0
Further details — not scored
Size253 MB30 MB
Age rating17+4+
DeveloperINOCER LTDMesut Akbas

Customer experience

can

Written reviews7 reviews
Positive71.4%
Neutral0.0%
Negative28.6%

Focus40

All ratings2 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

4 purchases

can

Subscriptions3
  • All Modules$14.991 Month
  • All Modules$69.006 Months
  • All Modules$129.001 Year
One-time1
  • Perpetual Licence$149.00
3 purchases

Focus40

Subscriptions2
  • Focus40 Plus Monthly Sub.7 Days trial$1.991 Month
  • Focus40 Plus – Yearly Sub.7 Days trial$4.991 Year
One-time1
  • Focus40 Plus-Lifetime$9.99

Questions

Is can free?
can is free to download, with in-app purchases available.
Is Focus40 free?
Focus40 is free to download, with in-app purchases available.
Do can or Focus40 have ads?
Neither can nor Focus40 shows ads.
Which is updated more often, can or Focus40?
can ships an update fortnightly, and Focus40 every 6 months. Most recently, can was updated on October 14, 2026 and Focus40 on October 20, 2026.

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