# dob vs Quad Braille

The clearest difference is in-app purchases: Quad Braille at none against dob's 1. Quad Braille also leads on update cadence (daily vs every 3 months) and device support (3 vs 1). On ads and iOS requirement there is nothing between them.

dob costs $2.99 and Quad Braille $1.99 up front. dob sells 1 one-off in-app purchase. Quad Braille asks for nothing beyond the download.

dob ships an update every 3 months, Quad Braille daily. The most recent releases landed on October 17, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | dob | Quad Braille |
| --- | --- | --- |
| Price | $2.99 | **$1.99** |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/dob-visual-perception/id981954512/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Daily** |
| Monetization | Paid | — |
| Size | 78 MB | 17 MB |
| Requires iOS | 12.0 | **11.0** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Rene Fehr-Biscioni](https://appshunter.io/developer/969998405) | [David Lovison](https://appshunter.io/developer/545435954) |

## What reviewers say

### dob

[App page](https://appshunter.io/ios/app/dob-visual-perception/id981954512)

This app offers exercises to train essential visual skills like attention, coordination, and memory. It's designed for learners of all ages, including children and individuals undergoing rehabilitation, and can be customized to individual needs.

**Highlights:** Visual Attention training, Ocular motility exercises, Hand and Eye Coordination, Motion Perception, Contrast Sensitivity, Face and facial expression recognition, Color Recognition and differentiation, Figure-Ground Perception

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| All exercises | $11.99 | one-time |


### Quad Braille

[App page](https://appshunter.io/ios/app/quad-braille/id6633378222)

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

**In-app purchases:** none


## Frequently asked questions

### Is dob free?

dob costs $2.99, and also offers in-app purchases.

### Is Quad Braille free?

Quad Braille costs $1.99, with no in-app purchases.

### Do dob or Quad Braille have ads?

Neither dob nor Quad Braille shows ads.

### Which is updated more often, dob or Quad Braille?

dob ships an update every 3 months, and Quad Braille daily. Most recently, dob was updated on October 17, 2026 and Quad Braille on October 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.*