Comparison

Oculi 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

Oculi

This application allows users to control desktop visual acuity software remotely. It enables the isolation of letters and rows, display of color blindness slides, and performance of low vision exams from a mobile device.

Highlights
  • Remote control of desktop software
  • Bluetooth and Wi-Fi connectivity
  • Isolate letters and rows
  • Display color blindness slides
  • Perform low vision exams
Features
Read full description

ForeSight Oculi is the most advanced Visual Acuity Software to date. Using this app you will be able to control our desktop software (visit http://foresighteyes.com) via Bluetooth or Wi-Fi. Isolate letters, rows, show color blindness slides and perform low vision exams all from your iOS powered device. (Image source: hotpot.ai)

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

Screenshots

Oculi3 screens

Verdict

The call

The clearest difference is price: Chart2020 Lite at Free against Oculi's $1.99. Oculi's advantage is rating (3.0 vs 1.0) and in-app purchases (none vs 4). On review sentiment, ratings volume, update cadence and ads 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; Oculi costs $1.99 up front. Chart2020 Lite sells 4 in-app purchases, starting at $7.99 per 7 days. Oculi asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Oculi holds the better App Store score, 3.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively. Written reviews split almost evenly too, at 0% and 0% positive.

UpkeepUpdate frequency

Oculi ships an update every 6 months, Chart2020 Lite every 3 months. The most recent releases landed on September 2, 2026 and June 1, 2026 respectively.

Scorecard5 real differences · 5 level
Oculi versus Chart2020 Lite: the parameters behind the verdict, then further details
ParameterOculiChart2020 Lite
Price$1.99Free — better
Rating3.0 (1 ratings) — better1.0 (1 ratings)
Positive reviews0.0% of reviews0.0% of reviews
Number of ratings11
Update frequencyEvery 6 monthsEvery 3 months — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaid — betterSubscription
DevicesiPhone, iPad, iPod — betteriPad
Requires iOS13.012.0 — better
Further details — not scored
Size36 MB58 MB
Age rating4+4+
DeveloperThe Buster Booth CompanyShemesh Health Solutions PTY Ltd

Customer experience

Oculi

All ratings1 ratings
Positive0.0%
Neutral100.0%
Negative0.0%
Written reviews3 reviews
Positive0.0%
Neutral33.3%
Negative66.7%

Chart2020 Lite

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

In-app purchases

None

Oculi

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 Oculi free?
Oculi costs $1.99, with no in-app purchases.
Is Chart2020 Lite free?
Chart2020 Lite is free to download, with in-app purchases available.
Which has better reviews, Oculi or Chart2020 Lite?
Oculi is rated higher. Oculi averages 3.0 out of 5 from 1 ratings, while Chart2020 Lite averages 1.0 from 1 ratings.
Do Oculi or Chart2020 Lite have ads?
Neither Oculi nor Chart2020 Lite shows ads.
Which is updated more often, Oculi or Chart2020 Lite?
Oculi ships an update every 6 months, and Chart2020 Lite every 3 months. Most recently, Oculi was updated on September 2, 2026 and Chart2020 Lite on June 1, 2026.

Other comparisons