# dob vs AP Visual Memory Trainer

The clearest difference is price: AP Visual Memory Trainer at Free against dob's $2.99. AP Visual Memory Trainer also leads on update cadence (fortnightly vs every 3 months) and device support (3 vs 1). dob's advantage is iOS requirement (12.0 vs 17.6). On ads and in-app purchases there is nothing between them.

AP Visual Memory Trainer is free to download; dob costs $2.99 up front. dob sells 1 one-off in-app purchase and AP Visual Memory Trainer sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

dob ships an update every 3 months, AP Visual Memory Trainer fortnightly. The most recent releases landed on June 11, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | dob | AP Visual Memory Trainer |
| --- | --- | --- |
| 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 | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Fortnightly** |
| Monetization | Paid | — |
| Size | 78 MB | 9 MB |
| Requires iOS | **12.0** | 17.6 |
| Devices | iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Rene Fehr-Biscioni](https://appshunter.io/developer/969998405) | [Aleksandrs Pilugins](https://appshunter.io/developer/1648051706) |

## 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 |


### AP Visual Memory Trainer

[App page](https://appshunter.io/ios/app/ap-visual-memory-trainer/id6743768369)

**Features:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock the Full Version | $5.99 | one-time |


## Frequently asked questions

### Is dob free?

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

### Is AP Visual Memory Trainer free?

AP Visual Memory Trainer is free to download, with in-app purchases available.

### Do dob or AP Visual Memory Trainer have ads?

Neither dob nor AP Visual Memory Trainer shows ads.

### Which is updated more often, dob or AP Visual Memory Trainer?

dob ships an update every 3 months, and AP Visual Memory Trainer fortnightly. Most recently, dob was updated on June 11, 2026 and AP Visual Memory Trainer on September 16, 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.*