# Smart Optometry vs eETDRS Visual Acuity Test

The clearest difference is in-app purchases: eETDRS Visual Acuity Test at none against Smart Optometry's 10. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Smart Optometry sells 10 in-app purchases, starting at $2.99 per month. eETDRS Visual Acuity Test asks for nothing beyond the download.

Smart Optometry ships an update every 4 months, eETDRS Visual Acuity Test every 3 months. The most recent releases landed on September 20, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Smart Optometry | eETDRS Visual Acuity Test |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (529 ratings)](https://appshunter.io/ios/app/smart-optometry/id1053891266/reviews)** | — |
| Number of ratings | **529** | — |
| Positive reviews | 42.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 months** |
| Monetization | Free with in-app purchases | — |
| Size | 28 MB | 36 MB |
| Requires iOS | 13 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 17+ |
| Developer | [Hundred Vision d.o.o.](https://appshunter.io/developer/1053891265) | [Rino Enterprises LLC](https://appshunter.io/developer/406014997) |

## 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


### eETDRS Visual Acuity Test

[App page](https://appshunter.io/ios/app/eetdrs-visual-acuity-test/id1551492695)

**In-app purchases:** none


## Frequently asked questions

### Is Smart Optometry free?

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

### Is eETDRS Visual Acuity Test free?

eETDRS Visual Acuity Test is free to download, with no in-app purchases.

### Do Smart Optometry or eETDRS Visual Acuity Test have ads?

Neither Smart Optometry nor eETDRS Visual Acuity Test shows ads.

### Which is updated more often, Smart Optometry or eETDRS Visual Acuity Test?

Smart Optometry ships an update every 4 months, and eETDRS Visual Acuity Test every 3 months. Most recently, Smart Optometry was updated on September 20, 2026 and eETDRS Visual Acuity Test on September 10, 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.*