# SwitchTrainer PRO vs dob

The clearest difference is price: dob at $2.99 against SwitchTrainer PRO's $44.99. dob also leads on update cadence (every 3 months vs every 7 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

SwitchTrainer PRO costs $44.99 and dob $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

SwitchTrainer PRO ships an update every 7 months, dob every 3 months. The most recent releases landed on November 6, 2026 and November 1, 2026 respectively.

## The numbers

| Metric | SwitchTrainer PRO | dob |
| --- | --- | --- |
| Price | $44.99 | **$2.99** |
| 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 | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 3 months** |
| Monetization | — | Paid |
| Size | 62 MB | 78 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPad | iPad |
| Age rating | 4+ | 4+ |
| Developer | [IntegraTools GmbH](https://appshunter.io/developer/618103816) | [Rene Fehr-Biscioni](https://appshunter.io/developer/969998405) |

## What reviewers say

### SwitchTrainer PRO

[App page](https://appshunter.io/ios/app/switchtrainer-pro/id618103813)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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:** none


## Frequently asked questions

### Is SwitchTrainer PRO free?

SwitchTrainer PRO costs $44.99, with no in-app purchases.

### Is dob free?

dob costs $2.99, with no in-app purchases.

### Do SwitchTrainer PRO or dob have ads?

Neither SwitchTrainer PRO nor dob shows ads.

### Which is updated more often, SwitchTrainer PRO or dob?

SwitchTrainer PRO ships an update every 7 months, and dob every 3 months. Most recently, SwitchTrainer PRO was updated on November 6, 2026 and dob on November 1, 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.*