# dob vs BrailleBuzz

The clearest difference is review sentiment: BrailleBuzz at 67% against dob's 0%. BrailleBuzz also leads on price (Free vs $2.99) and rating (3.9 vs 1.0). dob's advantage is iOS requirement (12.0 vs 16.4). On ads and device support there is nothing between them.

BrailleBuzz is free to download; dob costs $2.99 up front. dob sells 1 one-off in-app purchase. BrailleBuzz asks for nothing beyond the download.

BrailleBuzz holds the better App Store score, 3.9 against 1.0. That said, the two scores are not equally well evidenced: BrailleBuzz has 7 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 0% of dob's written reviews are positive against 67% of BrailleBuzz's.

dob ships an update every 3 months, BrailleBuzz every 3 weeks. The most recent releases landed on June 11, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | dob | BrailleBuzz |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/dob-visual-perception/id981954512/reviews) | **[3.9 (7 ratings)](https://appshunter.io/ios/app/braillebuzz/id1501555885/reviews)** |
| Number of ratings | 1 | **7** |
| Positive reviews | 0.0% of reviews | **66.7% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | Paid | **Free** |
| Size | 78 MB | 42 MB |
| Requires iOS | **12.0** | 16.4 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Rene Fehr-Biscioni](https://appshunter.io/developer/969998405) | [American Printing House for the Blind (APH)](https://appshunter.io/developer/704570515) |

## 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 |


### BrailleBuzz

[App page](https://appshunter.io/ios/app/braillebuzz/id1501555885)

This app introduces braille through engaging sounds and activities. It teaches essential skills for app control and braille letter recognition, enhancing the original product with an electronic braille experience.

**Highlights:** Introduction to braille, Basic app control skills, Braille letter identification, Interactive sounds and activities, Works with refreshable braille displays

**In-app purchases:** none


## Frequently asked questions

### Is dob free?

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

### Is BrailleBuzz free?

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

### Which has better reviews, dob or BrailleBuzz?

BrailleBuzz is rated higher. dob averages 1.0 out of 5 from 1 ratings, while BrailleBuzz averages 3.9 from 7 ratings.

### Do dob or BrailleBuzz have ads?

Neither dob nor BrailleBuzz shows ads.

### Which is updated more often, dob or BrailleBuzz?

dob ships an update every 3 months, and BrailleBuzz every 3 weeks. Most recently, dob was updated on June 11, 2026 and BrailleBuzz on September 15, 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.*