dob vs BrailleBuzz
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
dob
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.
- 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
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Visual perception training Basic version for learners containing a set of 10 fixed exercises, covering the most important visual skills. Additionally there is an import area for 10 more exercises where you are able to import more exercises from dob pro - the full version for teachers and therapists. Supported languages: English, Spanish, Portuguese, German, French, Italian With the assistance of dob the learners are stimulated and supported in the following areas: Visual Attention Ocular motility Hand and Eye Coordination Motion Perception Contrast Sensitivity Face recognition and facial expression recognition Color Recognition and differentiation Figure-Ground Perception Object recognition and differentiation Visual Memory Search Strategies dob pro the full version for therapists, coaches and teachers, containing more than 2500 exercises for the training and observation of 11 basic visual skills Change size of objects or tracks with gestures, modify opacity and background. This is how to adapt the exercises to the individual needs of the learners. dob offers exercises both for adults and for children of any age. The training is suited specifically for the following area of application: Curative education - People with developmental delays, visual impairment or multiple disabilities Early childhood education - All children aged 2 to 6 years Physical rehabilitation - For example, after stroke Psychomotricity, occupational therapy and speech therapy User guide, object list, track list, video tutorials, subscription to newsletter » www.dob.li
BrailleBuzz
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.
- Introduction to braille
- Basic app control skills
- Braille letter identification
- Interactive sounds and activities
- Works with refreshable braille displays
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Combining fun sounds and activities, the BrailleBuzz™ App provides an introduction to braille, as well as teaching the skills necessary to perform basic activities for controlling the app, and identifying braille letters. The App provides the functionality of the original BrailleBuzz™ product, with the added electronic braille experience. While the BrailleBuzz™ App was designed especially for APH's Chameleon 20™ and Braille Trail Reader LE™ refreshable braille displays; it also works with any connected display.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | dob | BrailleBuzz |
|---|---|---|
| Price | $2.99 | Free — better |
| Rating | 1.0 (1 ratings) | 3.9 (7 ratings) — better |
| Positive reviews | 0.0% of reviews | 66.7% of reviews — better |
| Number of ratings | 1 | 7 — better |
| Update frequency | Every 3 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Paid | Free — better |
| Devices | iPad | iPhone, iPad — better |
| Requires iOS | 12.0 — better | 16.4 |
| Further details — not scored | ||
| Size | 78 MB | 42 MB |
| Age rating | 4+ | 4+ |
| Developer | Rene Fehr-Biscioni | American Printing House for the Blind (APH) |
Customer experience
dob
BrailleBuzz
In-app purchases
dob
- All exercises$11.99
BrailleBuzz
No in-app purchases








