Comparison

dob vs Signs & Sounds

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

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
Read full description

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

About

Signs & Sounds

Read full description

Signs and Sounds has been developed to assist those who are learning Auslan and serves as an additional resource to apps such as Auslan Tutor and other Auslan based resources. The user is able to watch signs of different objects taken from a variety of places and situations outside or around the home. Videos include the finger spelt words to aid finger spelling learning. The option to listen to the sound each object makes or sound of each object is also available. Categories include: - Wild animals - Farm animals - Domestic animals - Australian animals - Garden - Transport - Musical instruments - Orchestral instruments - Safety - Household - Weather - Park In the 'Which Sign?' section, you can test your knowledge of signs by matching the correct sign to the corresponding picture, chosen at random. The sign can be played at normal speed, slowed down or a sound can be played of the object. We have included an additional resource to help those with fingerspelling. You can view all the different signs for each letter of the alphabet.

Verdict

The call

The clearest difference is price: Signs & Sounds at Free against dob's $2.99. Signs & Sounds also leads on in-app purchases (none vs 1) and iOS requirement (10.0 vs 12.0). On update cadence, 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

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

dob ships an update every 3 months, Signs & Sounds every 6 months. The most recent releases landed on October 17, 2026 and October 26, 2026 respectively.

Scorecard3 real differences · 7 level
dob versus Signs & Sounds: the parameters behind the verdict, then further details
ParameterdobSigns & Sounds
Price$2.99Free — better
Rating1.0 (1 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings1 — better—
Update frequencyEvery 3 months — betterEvery 6 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationPaid—
DevicesiPadiPad
Requires iOS12.010.0 — better
Further details — not scored
Size78 MB249 MB
Age rating4+4+
DeveloperRene Fehr-BiscioniRoyal Institute for Deaf and Blind Children

In-app purchases

1 purchases

dob

One-time1
  • All exercises$11.99
None

Signs & Sounds

No in-app purchases

Questions

Is dob free?
dob costs $2.99, and also offers in-app purchases.
Is Signs & Sounds free?
Signs & Sounds is free to download, with no in-app purchases.
Do dob or Signs & Sounds have ads?
Neither dob nor Signs & Sounds shows ads.
Which is updated more often, dob or Signs & Sounds?
dob ships an update every 3 months, and Signs & Sounds every 6 months. Most recently, dob was updated on October 17, 2026 and Signs & Sounds on October 26, 2026.

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