# VisionC (ETDRS Visual Acuity) vs Oftalmo Escalas

The clearest difference is price: Oftalmo Escalas at $1.99 against VisionC (ETDRS Visual Acuity)'s $79.99. Oftalmo Escalas also leads on update cadence (every 10 days vs every 8 months). VisionC (ETDRS Visual Acuity)'s advantage is iOS requirement (10.0 vs 17.0). On ads, in-app purchases and device support there is nothing between them.

VisionC (ETDRS Visual Acuity) costs $79.99 and Oftalmo Escalas $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

VisionC (ETDRS Visual Acuity) ships an update every 8 months, Oftalmo Escalas every 10 days. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | VisionC (ETDRS Visual Acuity) | Oftalmo Escalas |
| --- | --- | --- |
| Price | $79.99 | **$1.99** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 10 days** |
| Size | 9 MB | 4 MB |
| Requires iOS | **10.0** | 17.0 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 17+ |
| Developer | [Qvision, Departamento de Oftalmología](https://appshunter.io/developer/1602553646) | [Isaias Fiuza Cabral](https://appshunter.io/developer/1896699635) |

## What reviewers say

### VisionC (ETDRS Visual Acuity)

[App page](https://appshunter.io/ios/app/visionc-etdrs-visual-acuity/id1041393885)

**In-app purchases:** none


### Oftalmo Escalas

[App page](https://appshunter.io/ios/app/oftalmo-escalas/id6796587353)

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

**In-app purchases:** none


## Frequently asked questions

### Is VisionC (ETDRS Visual Acuity) free?

VisionC (ETDRS Visual Acuity) costs $79.99, with no in-app purchases.

### Is Oftalmo Escalas free?

Oftalmo Escalas costs $1.99, with no in-app purchases.

### Do VisionC (ETDRS Visual Acuity) or Oftalmo Escalas have ads?

Neither VisionC (ETDRS Visual Acuity) nor Oftalmo Escalas shows ads.

### Which is updated more often, VisionC (ETDRS Visual Acuity) or Oftalmo Escalas?

VisionC (ETDRS Visual Acuity) ships an update every 8 months, and Oftalmo Escalas every 10 days. Most recently, VisionC (ETDRS Visual Acuity) was updated on October 26, 2026 and Oftalmo Escalas on October 25, 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.*