# Smart Optometry vs Chart2020 Lite

The clearest difference is rating: Smart Optometry at 4.4 against Chart2020 Lite's 1.0. Smart Optometry also leads on review sentiment (42% vs 0%) and monetization model (free with in-app purchases vs subscription). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Smart Optometry sells 10 in-app purchases, starting at $2.99 per month and Chart2020 Lite sells 4 in-app purchases, starting at $7.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Smart Optometry holds the better App Store score, 4.4 against 1.0. That said, the two scores are not equally well evidenced: Smart Optometry has 529 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 42% of Smart Optometry's written reviews are positive against 0% of Chart2020 Lite's.

Smart Optometry ships an update every 4 months, Chart2020 Lite every 3 months. The most recent releases landed on October 15, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Smart Optometry | Chart2020 Lite |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (529 ratings)](https://appshunter.io/ios/app/smart-optometry/id1053891266/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/chart2020-lite/id1364522406/reviews) |
| Number of ratings | **529** | 1 |
| Positive reviews | **42.3% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 months** |
| Monetization | **Free with in-app purchases** | Subscription |
| Size | 28 MB | 58 MB |
| Requires iOS | 13 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 12+ | 4+ |
| Developer | [Hundred Vision d.o.o.](https://appshunter.io/developer/1053891265) | [Shemesh Health Solutions PTY Ltd](https://appshunter.io/developer/578849338) |

## What reviewers say

### Smart Optometry

[App page](https://appshunter.io/ios/app/smart-optometry/id1053891266)

This app offers eye care professionals a suite of 15 interactive and precise digital eye exams for patient screening and testing. It simplifies the examination process with clear guidelines, fast execution, and automated calculations, supporting a more efficient and accurate diagnostic workflow.

**Highlights:** 15 interactive digital eye exams, Automated calculation and diagnosis, Multi-language support, Vertex and visual acuity calculators, Simple and fast user interface, Precise and reliable results

**Features:** Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PRO Monthly Subscription | $2.99 | per month |
| PRO Yearly Subscription | $22.99 | per year |
| Visual Acuity + Test | $1.99 | one-time |
| Red Desaturation Test | $1.99 | one-time |
| Generous Tip | $4.99 | one-time |
| Generous Tip! | $4.99 | one-time |
| Smart Optometry PRO | $9.99 | one-time |
| PRO Bundle | $9.99 | one-time |
| Massive Tip! | $9.99 | one-time |
| Amazing Tip! | $14.99 | one-time |

**What reviewers like**

- 👍 Excellent product
- 👍 Beautifully designed
- 👍 Highly accurate results
- 👍 Super easy to use
- 👍 Masterfully engineered

**What reviewers complain about**

- 🐛 App crashes frequently
- 🐛 App does not open
- 🐛 App stops working
- 🐛 Requires payment for tests
- 🐛 App is full of ads

**Reported bugs**

- App crashes on startup
- App closes automatically after login
- App stops working after update
- Tests demand payment for Pro version
- Visual acuity unit converter plus button not working

**Requested features**

- Update visual acuity unit converter plus button
- Add inches option for measurement
- Provide explanations for test procedures and expected results
- Make Arabic language available
- Allow calibration of acuity test for different distances


### Chart2020 Lite

[App page](https://appshunter.io/ios/app/chart2020-lite/id1364522406)

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:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $7.99 | per 7 days |
| Weekly Subscription | $7.99 | per 7 days |
| Monthly Subscription | $19.99 | per month |
| Yearly Subscription | $149.99 | per year |


## Frequently asked questions

### Is Smart Optometry free?

Smart Optometry is free to download, with in-app purchases available.

### Is Chart2020 Lite free?

Chart2020 Lite is free to download, with in-app purchases available.

### Which has better reviews, Smart Optometry or Chart2020 Lite?

Smart Optometry is rated higher. Smart Optometry averages 4.4 out of 5 from 529 ratings, while Chart2020 Lite averages 1.0 from 1 ratings.

### Do Smart Optometry or Chart2020 Lite have ads?

Neither Smart Optometry nor Chart2020 Lite shows ads.

### Which is updated more often, Smart Optometry or Chart2020 Lite?

Smart Optometry ships an update every 4 months, and Chart2020 Lite every 3 months. Most recently, Smart Optometry was updated on October 15, 2026 and Chart2020 Lite on September 29, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*