# Space Shooter vs dob

The clearest difference is in-app purchases: Space Shooter at none against dob's 1. Space Shooter also leads on iOS requirement (6.0 vs 12.0). dob's advantage is update cadence (every 3 months vs every 29 months) and price ($2.99 vs $3.99). On ads and device support there is nothing between them.

Space Shooter costs $3.99 and dob $2.99 up front. dob sells 1 one-off in-app purchase. Space Shooter asks for nothing beyond the download.

Space Shooter ships an update every 29 months, dob every 3 months. The most recent releases landed on September 23, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Space Shooter | dob |
| --- | --- | --- |
| Price | $3.99 | **$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** | Yes |
| Ads | No | No |
| Update frequency | Every 29 months | **Every 3 months** |
| Monetization | — | Paid |
| Size | 23 MB | 78 MB |
| Requires iOS | **6.0** | 12.0 |
| Devices | iPad | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Inclusive Technology Ltd](https://appshunter.io/developer/490089520) | [Rene Fehr-Biscioni](https://appshunter.io/developer/969998405) |

## What reviewers say

### Space Shooter

[App page](https://appshunter.io/ios/app/space-shooter/id557890309)

**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 (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| All exercises | $11.99 | one-time |


## Frequently asked questions

### Is Space Shooter free?

Space Shooter costs $3.99, with no in-app purchases.

### Is dob free?

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

### Do Space Shooter or dob have ads?

Neither Space Shooter nor dob shows ads.

### Which is updated more often, Space Shooter or dob?

Space Shooter ships an update every 29 months, and dob every 3 months. Most recently, Space Shooter was updated on September 23, 2026 and dob on October 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.*