# dob vs CVI training (Pattern)

The clearest difference is price: CVI training (Pattern) at Free against dob's $2.99. CVI training (Pattern) also leads on in-app purchases (none vs 1) and iOS requirement (6.0 vs 12.0). On ads and device support there is nothing between them.

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

## The numbers

| Metric | dob | CVI training (Pattern) |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| 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 | — |
| Monetization | Paid | — |
| Size | 78 MB | 22 MB |
| Requires iOS | 12.0 | **6.0** |
| Devices | iPad | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Rene Fehr-Biscioni](https://appshunter.io/developer/969998405) | [Ebenezer school](https://appshunter.io/developer/512093968) |

## 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 |


### CVI training (Pattern)

[App page](https://appshunter.io/ios/app/cvi-training-pattern/id1336795601)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is dob free?

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

### Is CVI training (Pattern) free?

CVI training (Pattern) is free to download, with no in-app purchases.

### Do dob or CVI training (Pattern) have ads?

Neither dob nor CVI training (Pattern) shows ads.

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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.*