Comparison

3×3D Eye Training Premium vs EyeFlex

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

Head to head
About

3×3D Eye Training Premium

Improve your vision with engaging 3D stereoscopic exercises designed to train both eye muscles and intracerebral visual acuity. Enjoy game-like training sessions that take just 3 minutes each, with a built-in tool to track your progress.

Highlights
  • 3D stereoscopic vision training
  • Eye muscle and brain training
  • Game-like exercises
  • Vision measurement tool
  • Short daily sessions (approx. 3 minutes)
Features
Read full description

Sight recovery training just by looking! Eye muscle training & brain training app that can be done in 3 minutes! This is a premium version of 3x3D Eye Training, a vision recovery training app that allows you to perform 3 types of 3D stereoscopic vision as if you were playing a game. This app does not display banner ads, so you can use it comfortably. Please continue to use it every day. Choose from three trainings and take on the challenge. (It is OK to try all three) One training is about 3 minutes as a guide. 3D stereoscopic training is an eye movement, so it makes your eyes a little tired. Please refrain from using it for a long time so that your eyes do not get too tired. ◎ Recover eyesight by training eye eyesight and intracerebral eyesight Visual acuity includes eye visual acuity and intracerebral visual acuity. Eye visual acuity is what is commonly referred to as visual acuity, which is the ability of the eyes to focus on what they see. Intracerebral visual acuity is the ability of the brain to recognize and visualize what it sees. Ideally, not only eye vision but also intracerebral vision should be trained to restore vision. Use this app to train your eye and intracerebral vision with 3D stereoscopic training. ◎ Three 3D stereoscopic training ■ 3D Gabor patch It is a training performed using an image called Gabor transform. Blurred 3D Gabor-transformed images are thought to easily act on the visual cortex of the brain, and their application is used for vision recovery training. ■ 3D stereogram It is a training to see the image by the parallel method and the cross method of 3D stereogram. By consciously looking at the 3D image while focusing on it, you will train your eyesight in the brain, and the work will train the muscles of the eyes that you do not normally use. It can also be a stretch of. ■ 3D number touch It is a training to train the ciliary muscles by randomly following images with different sizes, shapes, colors, and numbers. When a person sees things with his eyes, the ciliary muscle, which is the muscle of the eye, adjusts the distance to the object and the angle of refraction of light, and the ciliary muscle is trained by number touch training. ◎ Visual acuity measurement The app also comes with a vision measurement tool. You can continue the above 3D stereoscopic training every day and check your eyesight condition with the eyesight measurement tool on a regular basis. ◎ Summary Three 3D stereoscopic trainings to train eye movements, muscle movements, and intracerebral visual acuity. This app allows you to enjoy 3D stereoscopic training as if you were playing a game, so you can continue it every day.

About

EyeFlex

Read full description

Welcome to the EyeFlex innovative eye physiotherapy workout and relaxation app. The app is designed to address myopia condition and strengthen eyes extraocular muscles. Taks include following moving objects and completing other eye coordination either in AR (Augmented-reality) mode and Simple mode. If you opt for AR (Augmented-reality) mode, ensure stability by finding a fixed spot and maintain it throughout the session. Regardless of the mode, focus your gaze on the moving objects, practicing smooth and controlled eye movements without excessive head motion. Consistent training is key to improvement, so allocate regular time slots for practice and follow instructions! Terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

3×3D Eye Training Premium4 screens
EyeFlex4 screens

Verdict

The call

The clearest difference is price: EyeFlex at Free against 3×3D Eye Training Premium's $0.99. 3×3D Eye Training Premium's advantage is in-app purchases (none vs 2) and update cadence (every 3 weeks vs every 9 months). On ads, device support and iOS requirement 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

EyeFlex is free to download; 3×3D Eye Training Premium costs $0.99 up front. EyeFlex sells 2 in-app purchases, starting at $34.99 per month. 3×3D Eye Training Premium asks for nothing beyond the download.

UpkeepUpdate frequency

3×3D Eye Training Premium ships an update every 3 weeks, EyeFlex every 9 months. The most recent releases landed on October 11, 2026 and October 4, 2026 respectively.

Scorecard3 real differences · 7 level
3×3D Eye Training Premium versus EyeFlex: the parameters behind the verdict, then further details
Parameter3×3D Eye Training PremiumEyeFlex
Price$0.99Free — better
Rating3.5 (2 ratings) — better—
Positive reviews50.0% of reviews—
Number of ratings2 — better—
Update frequencyEvery 3 weeks — betterEvery 9 months
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaid—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS11.0 — better12.0
Further details — not scored
Size51 MB475 MB
Age rating4+4+
DeveloperSHUUICHI WATANABEURSA ALBA UAB

In-app purchases

None

3×3D Eye Training Premium

No in-app purchases

2 purchases

EyeFlex

Subscriptions2
  • Monthly Training Access$34.991 Month
  • Yearly Training Access$379.001 Year

Questions

Is 3×3D Eye Training Premium free?
3×3D Eye Training Premium costs $0.99, with no in-app purchases.
Is EyeFlex free?
EyeFlex is free to download, with in-app purchases available.
Do 3×3D Eye Training Premium or EyeFlex have ads?
Neither 3×3D Eye Training Premium nor EyeFlex shows ads.
Which is updated more often, 3×3D Eye Training Premium or EyeFlex?
3×3D Eye Training Premium ships an update every 3 weeks, and EyeFlex every 9 months. Most recently, 3×3D Eye Training Premium was updated on October 11, 2026 and EyeFlex on October 4, 2026.

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