Comparison

Vision Toolbox vs Chart2020 Lite

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

Head to head
About

Vision Toolbox

This application provides eye care professionals with over 500 digital test screens and images for vision assessment and screening. It offers a comprehensive suite of tools for near vision, distance vision, patient education, and dispensing, all accessible on an iPad.

Highlights
  • Over 500 test screens and images
  • Near vision assessment tools
  • 3-meter distance vision assessment
  • Patient education images and videos
  • Digital dispensing tools
  • On-screen rulers and protractors
  • Eye-related calculation toolkit
Features
Read full description

Thomson Software Solutions is the leading provider of software for eye care professionals in Europe and has users all over the world. This application joins a family of software for vision assessment and screening originally devised by Professor David Thomson. Replace all your test types, near charts, near testing units etc. with over 500 test screens and images in one slick application. The Vision Toolbox exploits the superb graphics capabilities of the iPad to provide a huge range of vision assessment tools for eye care professionals (ophthalmologists, optometrists, orthoptists and opticians). Access different tests by simply rotating the iPad and view variations by swiping the screen. Select the test that you want directly by viewing the thumbnail gallery and draw on the screen using your finger. Pan and zoom some of the images or display as a slide show. No eye care professional can afford to be without it! The tools are divided into five categories: Near vision assessment: By holding the iPad at a normal reading distance, The Vision Toolbox can be used to assess a wide range of near vision functions including: - Test types (Adult and children's test types) - LogMAR reading test - LogMAR near charts - Task images (Maps, books, newspaper etc. to ensure the patient can perform these real world tasks) - Binocular vision tests (fixation disparity, binocularity, suppression, stereopsis, 3D red/green anaglyphs) - Duochrome (dots, letters, rings) - Amsler (positive and negative contrast, draw directly on charts and email the results) - Fixation targets (clown, crosses, letters, cartoons) - Miscellaneous (convergence, astigmatism, Maddox rod) 3 metre assessment: View Vision Toolbox from 3 metres and you can assess a wide range of distance vision functions. Handy for home visits, vision screening or testing children. - LogMAR charts - Snellen charts - Single letter charts - Children's visual acuity (Tumbling Es, linear logMAR) - Duochrome (dots, letters, rings) - Cross cylinder (dots and rings) - UK number plate test for driving (actual number plate fonts and correct spacing) - Fixation targets (clown slide show to use during retinoscopy for example) Patient information: Wide range of images to help explain conditions to patients. Select the required image from a thumbnail gallery. Pan and zoom on all images and draw with your finger. - Eye diagrams - Eye disease (photographs of a wide range of anterior segment eye diseases) - Front of the eye (images of the external eye) - Retina (normal and abnormal fundi) - Dispensing images - Videos Dispensing tools: Replace your frame rule with a selection of on-screen rulers, protractors etc. Take advantage of the back-illuminated screen to measure CDs, bifocal heights, varifocals etc. Toolkit: Use the toolkit to perform those tricky eye-related calculations. - Visual acuity (convert between LogMAR, VAR, Snellen metres, Snellen ft, Resolution and Spatial frequency) - LogMAR scorer (help with scoring a LogMAR chart) - Vertex distance calculator - Toric contact lens over-refraction calculator - Transposition calculator

About

Chart2020 Lite

This app provides a digital eye chart with various testing options, including different chart types and masking features. It offers remote control capabilities via a companion iPhone app or an optional Bluetooth remote, making it suitable for professional and home use.

Highlights
  • Multiple chart types (Sloan/Snellen, Balancing, Astigmatism)
  • Customizable testing distance
  • Variety of letter/number/symbol sets
  • Masking and randomization options
  • Companion iPhone app for remote control
  • Optional Bluetooth remote control
Features
Read full description

Chart Types * Sloan / Snellen Charts * Balancing Charts * Astigmatism Charts Chart Features * Set exact testing testing distance * Quickly switch to near distance testing with distance selector * Letters, Numbers, Kids, E, C, HOTV, 6 Global Fonts * 4 Masking options * Randomize letter set Controllers * Control direct on the iPad * Use the companion iPhone app * See the displayed letters on the iPhone (no neck turning) * Control every feature from the iPhone * Order the Bluetooth Remote Control to control with a 6 button controller Uses * Ophthalmologist and Optometrists * Completely mobile for school testing * Emergency Room * Functional Evaluation Capacity for Companies * Home Use * Students The Chart2020 iPad App comes with a 30 day free trial. After this period you may purchase an auto-renewing subscription through an In-App Purchase. (If you do not maintain a subscription you can only use the App for thirty days and then it will expire) • Auto-renewable subscription • 1 month ($29.99) / 1 Year ($199.99) • Your subscription will be charged to your iTunes account at confirmation of purchase and will automatically renew (at the duration selected) unless auto-renew is turned off at least 24 hours before the end of the current period. • Current subscription may not be cancelled during the active subscription period; however, you can manage your subscription and/or turn off auto-renewal by visiting your iTunes Account Settings after purchase. http://chart2020.com/privacy-policy https://www.chart2020.com/terms-of-use

Verdict

The call

The clearest difference is price: Chart2020 Lite at Free against Vision Toolbox's $59.99. Chart2020 Lite also leads on update cadence (every 3 months vs every 34 months) and iOS requirement (12.0 vs 15.6). Vision Toolbox's advantage is review sentiment (38% vs 0%) and in-app purchases (none vs 4). On rating, ratings volume, ads 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

Chart2020 Lite is free to download; Vision Toolbox costs $59.99 up front. Chart2020 Lite sells 4 in-app purchases, starting at $7.99 per 7 days. Vision Toolbox asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 1.0 for Vision Toolbox against 1.0 for Chart2020 Lite. Both are backed by a comparable volume of ratings — 1 and 1 respectively. Written reviews are what separate them: 38% of Vision Toolbox's written reviews are positive against 0% of Chart2020 Lite's.

UpkeepUpdate frequency

Vision Toolbox ships an update every 34 months, Chart2020 Lite every 3 months. The most recent releases landed on June 5, 2026 and June 1, 2026 respectively.

Scorecard6 real differences · 4 level
Vision Toolbox versus Chart2020 Lite: the parameters behind the verdict, then further details
ParameterVision ToolboxChart2020 Lite
Price$59.99Free — better
Rating1.0 (1 ratings)1.0 (1 ratings)
Positive reviews37.5% of reviews — better0.0% of reviews
Number of ratings11
Update frequencyEvery 34 monthsEvery 3 months — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaid — betterSubscription
DevicesiPadiPad
Requires iOS15.612.0 — better
Further details — not scored
Size579 MB58 MB
Age rating17+4+
DeveloperPotters Bar Eye Care LimitedShemesh Health Solutions PTY Ltd

Customer experience

Vision Toolbox

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews8 reviews
Positive37.5%
Neutral12.5%
Negative50.0%

Chart2020 Lite

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

Vision Toolbox

No in-app purchases

4 purchases

Chart2020 Lite

Subscriptions4
  • Weekly Subscription3 Days trial$7.997 Days
  • Weekly Subscription1 Month trial$7.997 Days
  • Monthly Subscription1 Month trial$19.991 Month
Show 1 more
  • Yearly Subscription1 Month trial$149.991 Year

Questions

Is Vision Toolbox free?
Vision Toolbox costs $59.99, with no in-app purchases.
Is Chart2020 Lite free?
Chart2020 Lite is free to download, with in-app purchases available.
Which has better reviews, Vision Toolbox or Chart2020 Lite?
Vision Toolbox and Chart2020 Lite are both rated 1.0 out of 5 on the App Store, from 1 and 1 ratings respectively.
Do Vision Toolbox or Chart2020 Lite have ads?
Neither Vision Toolbox nor Chart2020 Lite shows ads.
Which is updated more often, Vision Toolbox or Chart2020 Lite?
Vision Toolbox ships an update every 34 months, and Chart2020 Lite every 3 months. Most recently, Vision Toolbox was updated on June 5, 2026 and Chart2020 Lite on June 1, 2026.

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