# Vision Simulator by Dr. Evans vs DermScope

The clearest difference is update cadence: Vision Simulator by Dr. Evans at every 3 days against DermScope's every 3 weeks. Vision Simulator by Dr. Evans also leads on device support (3 vs 1) and iOS requirement (13.0 vs 17.0). DermScope's advantage is monetization model (freemium vs paid). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for Vision Simulator by Dr. Evans against 5.0 for DermScope. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Vision Simulator by Dr. Evans ships an update every 3 days, DermScope every 3 weeks. The most recent releases landed on October 8, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Vision Simulator by Dr. Evans | DermScope |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/vision-simulator-by-dr-evans/id6772865195/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/dermscope/id6790032699/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 3 weeks |
| Monetization | Paid | **Freemium** |
| Size | 19 MB | 5 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Ryan Evans](https://appshunter.io/developer/6772578354) | [DALTON SANDOR DRISCOLL](https://appshunter.io/developer/6779970862) |

## What reviewers say

### Vision Simulator by Dr. Evans

[App page](https://appshunter.io/ios/app/vision-simulator-by-dr-evans/id6772865195)

Experience the world through the eyes of someone with various vision conditions. This tool uses your camera or photos to simulate effects like nearsightedness, astigmatism, cataracts, and glaucoma, aiding understanding for patients, students, and the curious. It offers adjustable severity and side-by-side comparisons.

**Highlights:** Simulates multiple vision conditions, Uses live camera or uploaded photos, Adjustable severity sliders, Side-by-side comparison mode, Built-in sample scenes, Offline functionality

**Features:** macOS Compatibility, Family Sharing, Vision Pro support

**In-app purchases:** none


### DermScope

[App page](https://appshunter.io/ios/app/dermscope/id6790032699)

Document and measure skin spots with consistent photography and a chronological timeline. This private tool helps you track changes over time and organize information for healthcare professionals.

**Highlights:** Consistent close-up photography, Calibrated on-image measurement, Chronological spot timelines, Private, on-device data storage, Exportable summaries, Manual camera controls

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Vision Simulator by Dr. Evans free?

Vision Simulator by Dr. Evans is free to download, with no in-app purchases.

### Is DermScope free?

DermScope is free to download, with no in-app purchases.

### Which has better reviews, Vision Simulator by Dr. Evans or DermScope?

Vision Simulator by Dr. Evans and DermScope are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do Vision Simulator by Dr. Evans or DermScope have ads?

Neither Vision Simulator by Dr. Evans nor DermScope shows ads.

### Which is updated more often, Vision Simulator by Dr. Evans or DermScope?

Vision Simulator by Dr. Evans ships an update every 3 days, and DermScope every 3 weeks. Most recently, Vision Simulator by Dr. Evans was updated on October 8, 2026 and DermScope on October 7, 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.*